Butler County, MO: No Building Permit, No Zoning

Unincorporated Butler County, Missouri does not require an ordinary residential building permit; confirm parcel-specific requirements with the County Commission^1,2. Butler County Health Department regulates on-site sewage³. Inside Poplar Bluff, the city requires building permits and administers zoning; the City Superintendent also administers the city sewer chapter^4,5,6.

At a glance

Building permit: Not required for an ordinary home in unincorporated Butler County; confirm parcel-specific requirements with the County Commission^1,2
Zoning: Unincorporated land appears not to have county zoning, but an express ordinance or no-zoning statement was not confirmed¹
Septic permit: Butler County Health Department regulates onsite sewage; permits apply to construction or major repair in specified cases^3,7
RV living: Long-term occupancy on private land is unconfirmed; ask the County Commission and Health Department^1,3
Tiny homes: Occupancy, size, setback and utility rules could not be confirmed for unincorporated parcels¹
Owner-builder: No county owner-builder exemption framework was confirmed⁸
Private well: A landowner may install a well or pump on the owner's land without a permit, but construction rules still apply^9,10
State-road driveway: A driveway in MoDOT right-of-way requires a MoDOT permit¹¹

Who to call

Also useful

Butler County Commission / Courthouse

General county administration and confirmation of which county office, if any, handles a parcel-specific land-use question

573-686-8081

100 N. Main Street, Poplar Bluff, MO 63901

Septic permits

Butler County Health Department, On-Site Sewer Program

On-site sewage construction permits, application review, site approval and final inspections in Butler County

(573) 785-8478

info@butlercountyhealth.org

1619 North Main, Poplar Bluff, MO 63901

Contact details are copied from each office’s official page and were checked against it on October 12, 2026.

Do you need a building permit in Butler County, Missouri?

An ordinary home in unincorporated Butler County does not require a county residential building permit; ask the County Commission to confirm parcel-specific requirements before construction.

An ordinary home in unincorporated Butler County does not require a county residential building permit; ask the County Commission to confirm parcel-specific requirements before construction^1,2. Inside Poplar Bluff, the city requires building permits, with applications reviewed before construction, alteration, repair or demolition^4,12. Poplar Bluff has adopted the International Building Code, 2018 Edition; that city code does not establish a building-code requirement for unincorporated Butler County¹³. Butler County Health Department regulates on-site sewage, and Poplar Bluff’s City Superintendent separately administers the city sewer chapter^3,6. Farm structures used for agriculture have a statutory land-use exemption outside incorporated areas and mapped flood-hazard areas, subject to older county orders¹⁴.

Who handles Butler County building permits and land questions?

For building and land-use questions on an unincorporated Butler County parcel, start with the County Commission at the Butler County Courthouse.

For building and land-use questions on an unincorporated Butler County parcel, start with the County Commission at the Butler County Courthouse^1,2. Ask the Commission which office handles building inspections, certificates of occupancy, floodplain review and county-road access for the parcel². Inside Poplar Bluff, the city Building Inspector reviews building-permit applications, and the building-permit fee varies by project^4,15. Butler County Health Department handles on-site sewage regulation, with additional city sewer oversight through Poplar Bluff’s City Superintendent^3,6. A new or modified driveway within MoDOT right-of-way requires an initial online request and a MoDOT permit; plans, studies, bonds or hydraulic analysis may also be required¹¹. MoDOT requires contact with its Traffic Specialist at least 48 hours before work begins¹⁶.

Does Butler County, Missouri have zoning?

Unincorporated Butler County appears not to have county zoning, but we could not confirm an express no-zoning statement or adopted county ordinance.

Unincorporated Butler County appears not to have county zoning, but we could not confirm an express no-zoning statement or adopted county ordinance¹. Ask the County Commission about the intended use, setbacks, lot size and height before buying². Inside Poplar Bluff, the city administers its own zoning districts, and the Planning Office is the contact for specific land-use requirements^5,17. Poplar Bluff’s Planning and Zoning Commission recommends zoning, while the City Council makes the final decision on zoning requests¹⁸. City zoning does not replace Butler County Health Department’s on-site sewage role; Poplar Bluff’s City Superintendent also administers the city sewer chapter^3,6.

How do septic permits work in Butler County?

Butler County Health Department regulates on-site sewage in Butler County; inside Poplar Bluff, also confirm requirements under the sewer chapter administered by the City Superintendent.

Butler County Health Department regulates on-site sewage in Butler County; inside Poplar Bluff, also confirm requirements under the sewer chapter administered by the City Superintendent^3,6. A permit is required before construction or major repair for a single-family residence on a lot smaller than 3 acres, for a non-single-family facility regardless of lot size, and for specified lake-adjacent lots⁷. The Health Department reviews the application, visits the site and performs a final inspection after installation³. Some single-family lots of 3 acres or more may qualify for the state exemption only when all conditions are satisfied, including keeping the system more than 10 feet from adjoining property lines and avoiding contamination, nuisance and off-property effluent¹⁹. Only about 6% of county soils avoid severe limits for a conventional drain field, so arrange the soil evaluation before finalizing a house site²⁰. State application fees have been temporarily suspended effective August 28, 2026, so ask the Health Department for the current amount¹⁹.

Can you live in an RV or tiny home in Butler County?

We could not confirm a Butler County rule that expressly permits or prohibits long-term RV living, temporary camping or tiny-home occupancy on private land.

We could not confirm a Butler County rule that expressly permits or prohibits long-term RV living, temporary camping or tiny-home occupancy on private land¹. Unincorporated Butler County appears not to have county zoning, but the county's pages do not resolve these occupancy questions¹. Ask the County Commission about the intended use, minimum dwelling size, setbacks and any certificate-of-occupancy practice². Butler County Health Department still regulates onsite sewage³. Missouri law allows a sewer-system operator to require connection when sewer service is available, but that authority does not prove a connection mandate applies to a particular Butler County parcel²¹. A residential lot smaller than 3 acres generally needs a permit before septic construction or major repair¹⁹.

Building a home in Butler County: steps in order

Confirm with the County Commission that the parcel is unincorporated and ask which building, inspection, occupancy, floodplain and road-access requirements apply.

Confirm with the County Commission that the parcel is unincorporated and ask which building, inspection, occupancy, floodplain and road-access requirements apply².

If the parcel is inside Poplar Bluff, submit the city building-permit application before construction, alteration, repair or demolition^4,12.

Arrange septic planning early because only about 6% of Butler County soils avoid severe limitations for a conventional drain field²⁰.

Apply through Butler County Health Department before septic construction or major repair unless the department confirms an exemption^3,7.

If clearing or grading will disturb at least 1 acre, or is part of a larger qualifying common plan, obtain Missouri's land-disturbance permit through Missouri DNR and prepare a stormwater pollution prevention plan; the land-disturbance permit costs $500 for 1 to less than 5 acres²².

Obtain a MoDOT permit before constructing or changing a driveway in state right-of-way¹¹.

What should you check before buying land in Butler County?

For a private well in Butler County, contractors need the applicable installation permits; the owner exception allows construction on owned or leased property only for the owner’s permanent single-family residence or farming, excludes public use and other residences, and still requires compliance with construction rules^9,10. A public water system needs written Missouri DNR Public Drinking Water Branch approval before constructing or altering a public well and must contact DNR’s regional office for a well-site survey²³. A separate exemption applies to qualifying systems exclusively serving charitable or benevolent organizations, with service limits, school and day-care exclusions, and groundwater, public-health and contamination safeguards²⁴. Ask the utility serving the parcel whether available sewer service triggers a local connection requirement²¹. Ask the County Commission who handles any required floodplain development permit^2,25.

Watch-outs

The absence of an ordinary county residential building permit does not resolve septic, floodplain or land-disturbance requirements in unincorporated Butler County^1,7,22,25.
Long-term RV use, tiny-home occupancy, minimum dwelling size, setbacks, subdivision rules, inspections and certificates of occupancy remain unconfirmed for unincorporated Butler County; ask the County Commission about the specific parcel².
Poplar Bluff requires city building permits and has its own zoning; on-site sewage also needs coordination with Butler County Health Department and the City Superintendent’s sewer-chapter requirements^3,4,5,6.

Sources

25 official pages, each quoted and re-checked · written October 12, 2026

Written October 12, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.

Off-grid gear

Going off-grid in Butler County means bringing your own water and power. The kit we’d start with:

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Compared with neighboring counties

Like all 6 of its neighbors, Butler County requires no county building permit for a home.

Rule	Butler County	Stoddard County	Wayne County	Ripley County	Dunklin County	Carter County	New Madrid County
Building permit	Not required	Not required	Not required	Not required	Not required	Not required	Not required
County zoning	No	Not published	Not published	No	No	No	Not published
Septic permits	DHSS	MO Dept. of Health & Senior Services	MO Dept. of Health & Senior Services	County Health Dept.	DHSS	DHSS	DHSS

Answers from the rulebook for Butler County

What the ordinances and state agencies actually say — one answer per question, each quoted from the official source and independently re-checked.

Butler County rules

Who permits septicCounty
On-site sewage disposal regulation in Butler County, Missouri.
- The Butler County Health Department administers the local permitting process under Missouri Department of Health and Senior Services regulations.
- Other wastewater systems, including systems over 3,000 gallons per day or systems discharging to surface waters, may fall under Missouri Department of Natural Resources jurisdiction.
“The Butler County Health Department is the regulating authority in Butler County Missouri.”
Butler County Health Department | On-site Sewer Program ↗Re-checked Sep 10, 2026
Septic permitRequired
Construction or major repair of sewage systems in Butler County, Missouri.
- A permit is required for single-family residences on lots less than three acres.
- A permit is required for facilities other than a single-family residence regardless of lot size.
- A permit is required for lots adjacent to a lake regulated by a public utility or the United States Army Corps of Engineers.
- A permit is required regardless of lot size when a compliant investigation finds a violation of RSMo 701.025 through 701.059.
- The Butler County Health Department states that permits are issued after application review and site approval.
- The county page lists a $90 permit cost, but DHSS states that application fees are temporarily suspended effective August 28, 2026; the current fee must therefore be confirmed with the permitting authority.
lot-size threshold for single-family residential permit: < 3 acres (The permit requirement applies to construction or major repair on lots less than three acres.) · permit validity: 1 calendar year
“A permit is required prior to the construction or major repair of a sewage system”
Butler County Health Department | On-Site Sewer FAQs ↗Re-checked Sep 10, 2026
Septic inspectionRequired
Newly installed onsite sewage systems in Butler County, Missouri.
- The Butler County Health Department performs a site visit during application review.
- The Butler County Health Department performs a final site inspection after installation.
- A separate inspection or evaluation is not generally required by state law solely before a real-estate transaction, although a lender, buyer, or county rule may require one.
“will make a final site inspection of the system.”
Butler County Health Department | On-site Sewer Program ↗Re-checked Sep 10, 2026
County-wide zoningAbsent
No planning or zoning office is listed among the county's official offices; zoning exists only within municipalities such as Poplar Bluff.
Butler County, MO Elected Officials ↗From the county’s own site, awaiting a second reviewer

Missouri rules that apply here

Building permitLimited
Building permits for construction in Missouri: no statewide permit is shown; first and second classification counties may adopt building regulations and permits if voters have approved
- Authority is an option for county commissions in counties of the first and second classification, not a statewide mandate
- A county that had not adopted a building code before August 28, 2001 needs voter approval, voted only by voters outside incorporated territory
- Municipalities and other counties must be checked locally
- This claim is about the county enabling authority only; the state septic rule (RSMo 701.031) was not used as a building-permit requirement
“the county commission in all counties of the first and second classification, as provided by law, is for this purpose empowered, subject to the provisions of subsections 2 and 3 of this section, to adopt by order or ordinance regulations to control the construction”
RSMo 64.170 County commissions control construction - issue building permits ↗Re-checked Nov 6, 2026
Owner-builder exemptionAvailable (with conditions)
A property owner installing, modifying, or repairing that owner's on-site sewage disposal system.
- The owner must comply with RSMo 701.025 to 701.059.
- The statute separately provides that an owner need not obtain a permit or contractor registration merely to clean that owner's on-site sewage disposal system.
“Nothing in sections 701.053 to 701.055 shall preclude property owners from installing, modifying or repairing their own on-site sewage disposal system”
RSMo 701.055 — Property owners may install, modify or clean their own on-site sewage disposal system ↗Re-checked Nov 4, 2026
Building code adoptedPartial
Missouri statewide legal framework for building-code adoption by counties and other communities; the statutes authorize local adoption rather than establishing one uniformly adopted statewide building code.
- County authority under RSMo 64.170 applies to counties of the first and second classification.
- A county that had not adopted a building code before August 28, 2001 must obtain voter approval before adopting under RSMo 64.170 to 64.200.
- The adoption vote is limited to voters in the affected area; a code affecting a county is not voted on by citizens of incorporated territory.
- A county adopting under RSMo 64.180 must use a current nationally recognized building code edition from calendar year 1999 or later, as amended.
- A county building ordinance may not conflict with liquefied petroleum gas installation requirements governed by RSMo 323.020.
- A community may incorporate a code by reference only if it otherwise has legal power to adopt the ordinance.
- A code incorporated by reference must be filed with the community clerk and available for public inspection for 90 days before adoption.
- An ordinance adopting a code by reference must state the penalty separately rather than incorporate the penalty by reference.
- RSMo 67.280 defines community to include any county, fire protection district, or municipality, and municipality to include an incorporated city, town, or village.
“Because fire and building codes are adopted at the local level in Missouri”
RSMo Section 64.170 ↗Re-checked Sep 11, 2026
2 more reviewed findings on this topic
- Partial — Residential building-code adoption by Missouri counties, particularly construction in unincorporated county territory.
  “the county commission in all counties of the first and second classification [...] is for this purpose empowered [...] to adopt [...] regulations”
  RSMo § 64.170 — County commissions control construction; issue building permits ↗Re-checked Oct 1, 2026
- Partial — County adoption of residential building codes in Missouri, with the resulting regulations applicable to unincorporated territory when adopted under the statutory authority.
  “the county commission in all counties of the first and second classification, as provided by law, is for this purpose empowered”
  RSMo Section 64.170 — County commissions control construction; issue building permits ↗Re-checked Oct 1, 2026
InspectionsLimited
Construction, major modification, or major repair of an on-site sewage disposal system for which RSMo 701.046 requires notice and an application; this is not a general statewide inspection rule for all buildings.
- The city, county, or department must receive notice and an opportunity to inspect before completion.
- A registered contractor must notify the authority before 9:00 a.m. on the day before completion; an unregistered person must notify it before 9:00 a.m. on the second day before completion.
- The system must remain available for a complete inspection under the state standard until 3:00 p.m. on the completion day unless the authority confirms earlier inspection and approval.
- The system may not be closed or completed if inspection finds it does not meet the state standard; the authority must provide conspicuous notice at inspection and written confirmation of the result, or of no inspection, within three working days of completion.
“without providing notice and an opportunity for inspection by the city, county or department as provided in this section.”
RSMo 701.050 — Construction or repair notice, requirements and inspection ↗Re-checked Nov 4, 2026
Zoning districtsPartial
Missouri statutory authority for counties to create zoning districts in unincorporated territory; this does not establish or publish the actual zoning districts for any particular county.
- The statute applies to unincorporated territory of counties subject to sections 64.211 to 64.295.
- Actual district boundaries, regulations, and maps depend on county adoption and are not supplied by this statewide statute.
- District regulations must be uniform for each class or kind of building or land use within each district, although regulations may differ between districts.
- The regulations must be made in accordance with a comprehensive plan.
“the unincorporated territory may be divided into districts of such number, shape and area as may be deemed best suited”
RSMo Section 64.261 — Zoning districts, creation, regulations ↗Re-checked Oct 5, 2026
Minimum dwelling sizeDistrict specific (with conditions)
Potential county zoning controls on the size of residential buildings in unincorporated portions of first-class counties other than first-class counties without a charter form of government.
- The county commission is authorized to regulate by order in accordance with a comprehensive plan.
- The statute does not state a statewide minimum dwelling-size measurement.
- The statute expressly excludes incorporated portions of counties and identifies additional agricultural, rice-farming, flood-irrigation, farm-structure, and underground-mining exclusions.
“except in counties of the first class not having a charter form of government [...] in the unincorporated portions of the county [...] size of buildings”
RSMo § 64.090 — Planning and zoning powers of county commission ↗Re-checked Nov 4, 2026
SetbacksSpecified
Size of yards, courts and other open spaces in unincorporated portions of second- and third-class counties with county zoning; setbacks left to such counties
- Power exists only for counties to which sections 64.510 to 64.690 apply under section 64.510
- Exercised only after approval by vote of the people as provided in section 64.530
- Must be done by order of record and in accordance with a comprehensive plan
- Applies only to unincorporated portions of the county
- Does not apply to crops, livestock, orchards, forestry, or farm buildings used for such purposes outside the flood hazard area map area
- Existing lawful uses protected; ordinances adopted before March 4, 1991 unaffected
“the size of yards, courts and other open spaces”
RSMo 64.620 Building restrictions - limitations on regulations (second and third class counties) ↗Re-checked Nov 6, 2026
Lot coverageSpecified
Percentage of lots that may be occupied in unincorporated portions of second- and third-class counties with county zoning; lot coverage left to such counties
- Power exists only for counties to which sections 64.510 to 64.690 apply under section 64.510
- Exercised only after approval by vote of the people as provided in section 64.530
- Must be done by order of record and in accordance with a comprehensive plan
- Applies only to unincorporated portions of the county
- Does not apply to crops, livestock, orchards, forestry, or farm buildings used for such purposes outside the flood hazard area map area
- Existing lawful uses protected; ordinances adopted before March 4, 1991 unaffected
“the percentage of lots that may be occupied”
RSMo 64.620 Building restrictions - limitations on regulations (second and third class counties) ↗Re-checked Nov 6, 2026
Camping on your landLimited
Developments where land is sold or leased for camping in recreational vehicles (recreational developments) under the state wastewater rule 10 CSR 20-6.030; this is a wastewater-disposal rule, not a zoning rule on camping generally
- Applies only when land is sold or leased for the purpose of camping in recreational vehicles.
- To qualify as a recreational development, restrictive covenants must prohibit continuous year-round living on the lot, and no cabins or other structures that could be used for year-round residential purposes are allowed.
- Minimum lot size of 20,000 sq ft applies where individual on-site wastewater treatment facilities are used; no reduction from the minimum lot size determined by the geohydrologic evaluation, though a one-half reduction as indicated by the soils report may be allowed.
- Where sewage dump stations provide collection and treatment, they count as centralized collection and treatment.
- The developer must submit a copy of the restrictive covenants with any plans for dump stations or centralized systems.
- Any residential housing development required to obtain department approval must get written approval before sale or lease of any lot or start of construction.
- Rule text says it does not preclude local, municipal, county or other lawful authority from adopting equal or more stringent subdivision, sewer or on-site system regulations.
- Rule was last amended with an effective date of Jan. 30, 2025.
- The state rule does not itself regulate temporary camping on private land outside such developments; that is left to local zoning.
minimum lot size, recreational development with individual on-site wastewater treatment: >= 20000 square feet (one-half reduction per soils report may be allowed; no reduction from geohydrologic evaluation minimum)
“a development is considered recreational when land is sold or leased for the purpose of camping in recreational vehicles. in order to be considered a recreational development, restrictive covenants must prohibit continuous year-round living on the lot and no cabins or other structures will be allowed that could be used for year-round residential purposes.”
10 CSR 20-6 Permits (incl. 10 CSR 20-6.030 Disposal of Wastewater in Residential Housing Developments), Missouri Secretary of State, Code of State Regulations ↗Re-checked Nov 6, 2026
Off-grid sanitationLimited
Off-grid sanitation using an onsite sewage disposal system in Butler County, Missouri.
- The system must comply with Missouri onsite sewage laws and rules.
- Construction or major repair generally requires a permit unless a statutory exemption applies.
- A single-family residence lot of three acres or more may be excluded from the state onsite sewage provisions if the statutory conditions are satisfied, including setback, no off-property effluent, no contamination, and no nuisance.
- The three-acre or larger exemption does not apply to lots adjacent to lakes operated by the Corps of Engineers or a public utility.
daily flow covered by Missouri onsite sewage law: <= 3000 gallons per day (Higher-flow systems may be regulated by the Missouri Department of Natural Resources.) · minimum setback under statutory exemption: > 10 feet from adjoining property line (All points of the system must be in excess of ten feet from any adjoining property line.)
“Some single family residential lots may be exempt from permitting.”
Missouri Revised Statutes § 701.031 ↗Re-checked Sep 10, 2026
2 more reviewed findings on this topic
- Limited — Off-grid domestic wastewater treatment using onsite wastewater treatment systems where central sewer service is unavailable.
  “Onsite wastewater treatment systems are sometimes referred to as "septic systems." These systems treat and dispose of domestic sewage on the property where it is generated.”
  health.mo.gov ↗Re-checked Sep 11, 2026
- Allowed (with conditions) — Use of onsite wastewater treatment systems as off-grid sanitation where central sewer service is unavailable in Missouri.
  “In Missouri, where central sewer service is not available, homeowners and small business owners use various types of onsite wastewater treatment systems (OWTS).”
  Onsite Wastewater Treatment ↗Re-checked Oct 1, 2026
Well permitLimited
A water system in Butler County that exclusively serves a qualifying charitable or benevolent organization.
- The system must not regularly serve an average of 100 or more persons at least 60 days out of the year.
- The system must not serve a school or day-care facility.
- The system is exempt from well-construction rules except rules under sections 256.600 to 256.640 applying to multifamily wells.
- The exemption does not apply when the well or pump installation is determined to present a threat to groundwater or public health.
- If the system incurs three or more total-coliform maximum-contaminant-level violations in a 12-month period or one acute maximum-contaminant-level violation, the owner must provide an alternate water source, eliminate the contamination source, or provide treatment achieving at least 99.99% virus treatment.
- A facility otherwise described in subsection 1 is not required to replace, change, upgrade, or otherwise alter an existing well constructed before August 28, 2011, unless the well threatens groundwater or public health or contains the subsection 2 contaminant levels.
average persons served: < 100 persons (The system must not regularly serve an average of 100 or more persons at least 60 days out of the year.) · service frequency: < 60 days per year (The system must not regularly serve an average of 100 or more persons at least 60 days out of the year.) · total coliform violations: >= 3 violations in 12 months (Triggers subsection 2 response requirements.) · virus treatment: >= 99.99 percent (Required treatment option under subsection 2.)
“shall be exempt from all rules relating to well construction except any rules established under sections 256.600 to 256.640 applying to multifamily wells”
RSMo Section 640.116 — Exemption from rules, system exclusively serving charitable or benevolent organization, when ↗Re-checked Oct 6, 2026
6 more reviewed findings on this topic
- Limited — Construction or repair of a private water well in Butler County, under Missouri’s statewide well-construction rules.
  “A restricted water well or pump installation permit is required for someone to contract these activities or to direct the installation. Landowners may install their own well or pump without a permit pursuant to the above mentioned law and rules.”
  Water Wells - PUB2945 ↗Re-checked Oct 6, 2026
- Required — A public water system constructing or altering a public well in Butler County or elsewhere in Missouri.
  “Public water systems must receive written approval from the PDWB before constructing or altering a public well, unless the system meets the charitable and benevolent organization exemptions in section 640.116, RSMo. Anyone proposing to install a public well must contact the department’s regional office for a well site survey.”
  Who Regulates Water Wells in Missouri? - PUB4001 ↗Re-checked Oct 6, 2026
- Limited — A person constructing a well on the person's own or leased property in Butler County for use only in the person's permanent single-family residence or only for farming on the person's farm.
  “Nothing [...] shall prevent a person who has not obtained a permit [...] from constructing a well on his own or leased property”
  RSMo Section 256.607 — Well installation contractor, permit — heat pump installation contractor, permit ↗Re-checked Oct 6, 2026
- Required — A person or contractor conducting regulated work to drill, construct, repair, reconstruct, plug, or install pumps or pumping equipment in a water well, heat-pump well, monitoring well, or related well in Missouri.
  “A non-restricted permit is required to drill, construct, repair, reconstruct, plug, or install pumps or pumping equipment in a well.”
  Well and Pump Installation Contractor Permitting ↗Re-checked Oct 1, 2026
- Limited — Construction or repair of water wells, installation or replacement of pumps, and associated plumbing and electrical work in Missouri.
  “A non-restricted water well installation permit is required to construct or repair a water well in Missouri.”
  Water Wells - PUB2945 ↗Re-checked Oct 5, 2026
- Limited — Construction or alteration of a public well serving a Missouri public water system.
  “Public water systems must receive written approval from the PDWB before constructing or altering a public well”
  Who Regulates Water Wells in Missouri? - PUB4001 ↗Re-checked Oct 5, 2026
Mandatory utility hookupSewer (with conditions)
Missouri state law preserves the authority of specified local governments and districts that own or operate a sewage-collection-and-treatment sewer system to require connection by owners of houses, buildings, or other facilities within that entity's territory.
- This is an authorization for the applicable city, town, village, sewer district, public water supply district, municipality, political subdivision, or district; it is not a statewide mandate that every property connect.
- The entity must own or operate a sewer system providing collection and treatment of sewage.
- The house, building, or other facility must be within the municipality, political subdivision, or district.
- The sewer system must be available.
- The statute identifies sewer districts organized under chapter 204 or chapter 249 and public water supply districts organized under chapter 247 among the entities whose authority is preserved.
“to require the owners of all houses, buildings or other facilities [...] to connect to the sewer system [...] when such sewer system is available.”
Missouri Revisor of Statutes — RSMo § 644.027 ↗Re-checked Nov 4, 2026
One more reviewed finding on this topic
- Conditional — Houses, buildings, and other facilities within a Missouri municipality, political subdivision, or district that owns or operates a sewer system providing collection and treatment of sewage, when the sewer system is available.
  “Nothing in sections 644.006 through 644.150 shall be deemed to restrict, inhibit or otherwise deny the power of any city, town or village, whether organized under the general law or by constitutional or special charter, any sewer district organized under chapter 204 or chapter 249, any public water supply district organized under chapter 247, or any other municipality, political subdivision or district of the state which owns or operates a sewer system that provides for the collection and treatment of sewage, to require the owners of all houses, buildings or other facilities within a municipality, political subdivision or district to connect to the sewer system of the municipality, political subdivision or district when such sewer system is available.”
  Missouri Revised Statutes § 644.027 ↗Re-checked Oct 6, 2026
Agricultural exemptionAvailable (with conditions)
Farm buildings and farm structures used for agricultural purposes under the county building and land-use restriction provisions of RSMo sections 64.800 to 64.905.
- The exemption does not apply within incorporated portions of counties.
- The exemption applies to raising crops, livestock, orchards, or forestry and to specified rice-farming or flood-irrigation impoundments.
- For farm buildings or farm structures, the area must not be within the area shown on the flood hazard area map.
- The statute preserves the validity of county ordinances or orders adopted before March 4, 1991.
- Other laws and local requirements may still apply.
rice-farming or flood-irrigation berm height: <= 18 inches (small berms placed around a field to hold water for growing rice or flood irrigation)
“This section shall not apply to the erection, maintenance, repair, alteration or extension of farm buildings or farm structures used for such purposes in an area not within the area shown on the flood hazard area map.”
RSMo Section 64.890 — Building and land use restrictions; exemptions ↗Re-checked Oct 5, 2026
5 more reviewed findings on this topic
- Available (with conditions) — Farm buildings and farm structures used for agricultural purposes in areas outside the flood hazard area shown on the applicable flood hazard area map, under Missouri zoning and land-use restriction statutes.
  “This section shall not apply to [...] farm structures [...] in an area not within the area shown on the flood hazard area map.”
  Missouri Revised Statutes § 64.890 ↗Re-checked Sep 10, 2026
- Available (with conditions) — Erection, maintenance, repair, alteration, or extension of farm buildings or farm structures as against county fire-protection or fire-prevention ordinances.
  “Notwithstanding any provision of law to the contrary, no fire protection or fire prevention ordinance adopted by any county in this state shall be exercised so as to impose regulations or to require permits with respect to the erection, maintenance, repair, alteration, or extension of farm buildings or farm structures.”
  RSMo Section 64.003 — Farm buildings and farm structures ↗Re-checked Sep 11, 2026
- Available (with conditions) — Erection, maintenance, repair, alteration, or extension of farm buildings or farm structures used for agricultural purposes under RSMo section 64.890, outside incorporated portions of counties and outside areas shown on flood hazard area maps.
  “This section shall not apply to the erection, maintenance, repair, alteration or extension of farm buildings or farm structures used for such purposes [...]”
  RSMo Section 64.890 ↗Re-checked Oct 1, 2026
- Available (with conditions) — Farm buildings and farm structures statewide, with respect to county fire-protection and fire-prevention ordinances.
  “no fire protection or fire prevention ordinance adopted by any county in this state shall be exercised so as to impose regulations or to require permits [...]”
  revisor.mo.gov ↗Re-checked Oct 1, 2026
- Available — Erection, maintenance, repair, alteration, or extension of farm buildings or farm structures with respect to county fire-protection or fire-prevention ordinances.
  “Notwithstanding any provision of law to the contrary, no fire protection or fire prevention ordinance adopted by any county in this state shall be exercised so as to impose regulations or to require permits with respect to the erection, maintenance, repair, alteration, or extension of farm buildings or farm structures.”
  RSMo Section 64.003 — Farm buildings and farm structures ↗Re-checked Oct 5, 2026
Subdividing landLimited
Subdivision plats in the unincorporated areas of counties covered by RSMo section 64.070 after the county commission adopts subdivision regulations.
- The county commission must first adopt subdivision regulations.
- The plat must first be submitted to the planning commission.
- If the county planning commission does not report upon the plat within thirty days, it may then be deemed approved.
- If amended or rejected by the planning commission, the action may be overruled and the plat approved only by the county commission, with the reasons for overruling spread upon the county commission minutes.
- The recorder of deeds may not record the plat until receiving a certificate of authority from the county zoning enforcement officer.
- The statute also permits a county planning commission, upon written request of an incorporated area's legislative body where there is no municipal planning commission, to pass upon subdivision plats within that incorporated area; those plats are subject to county planning commission rules and approval procedures.
planning commission reporting period: 30 days (If no report is made, the plat may then be deemed approved.)
“After the county commission shall have adopted such subdivision regulations, no plat of a subdivision of land within the unincorporated area of such county [...]”
RSMo Section 64.070 ↗Re-checked Oct 1, 2026
One more reviewed finding on this topic
- Limited — Subdivision regulations adopted by Missouri cities, towns, or villages under RSMo section 89.410.
  “The planning commission shall recommend and the council may by ordinance adopt regulations governing the subdivision of land within its jurisdiction.”
  RSMo Section 89.410 ↗Re-checked Oct 1, 2026
Driveway accessRequired
Construction or modification of driveways within MoDOT right-of-way statewide.
- A permit is required for construction of driveways and modifications to existing driveways on MoDOT right-of-way.
- An initial online request must be submitted for each planned listed activity.
- Engineered plans, traffic studies, hydraulic analysis, traffic-control plans, surety deposits, or performance bonds may be required depending on the work.
- The rule does not establish a permit requirement for driveways outside MoDOT right-of-way.
“We require you to obtain a permit to work on MoDOT's Right of Way for: Construction of driveways”
Permits | Missouri Department of Transportation ↗Re-checked Sep 11, 2026
One more reviewed finding on this topic
- Required — Construction or modification of driveways within MoDOT right-of-way in Butler County
  “We require you to obtain a permit to work on MoDOT's Right of Way for: Construction of driveways”
  Permits | Missouri Department of Transportation ↗Re-checked Sep 10, 2026
Building in a floodplainLimited
Projects including mining, dredging, building construction, and other dirt-moving activities in designated flood hazard areas within participating Missouri jurisdictions.
- The source describes local county or city flood damage reduction ordinances rather than one uniform statewide ordinance.
- The project must be within a participating jurisdiction.
- The project must be within a designated flood hazard area.
- The cited rule does not apply if either condition is absent.
- Covered projects must not raise flood heights.
“Some jurisdictions (for example, county, city) require any projects in certain floodplains do not raise flood heights.”
Laws and Regulations That Might Affect You if You Mine Sand or Gravel From Missouri Streams ↗Re-checked Sep 11, 2026
2 more reviewed findings on this topic
- Limited — Development projects in Butler County located in a floodplain or flood-prone area
  “Obtain local floodplain Development Permit if applicable”
  Stormwater Pollution Prevention Plan or Chapter 4 ↗Re-checked Sep 10, 2026
- Required — All development in a Missouri floodplain, administered through the applicable community floodplain permitting process.
  “Regardless, some type of permit MUST be issued for ALL development in the floodplain.”
  Floodplain Forms ↗Re-checked Oct 5, 2026
Permit feesPublished (with conditions)
Missouri Department of Natural Resources air construction permits statewide.
- Fees apply to air construction permits, not to every Missouri building or land-use permit.
- Construction permit fees include a filing fee and an hourly processing fee.
- The filing fee depends on the type of construction permit.
- The listed fees are effective January 1, 2026.
- Fees applicable until December 31, 2025 are available on the Air Construction Permit Fees white sheet.
- A convenience fee is charged for electronic payment.
portable source relocation filing fee: 300 USD · minor permit filing fee: 300 USD · minor permit processing fee: per 100 USD (hour) · general permit filing fee: 700 USD · new source review filing fee: 6000 USD (plus $100 per hour processing fee) · prevention of significant deterioration filing fee: 6000 USD (plus $100 per hour processing fee) · hazardous air pollutant filing fee: 6000 USD (plus $100 per hour processing fee) · temporary or pilot filing fee: 250 USD (plus $100 per hour processing fee)
“Construction permit fees include a filing fee and an hourly processing fee. The filing fee is dependent on the type of construction permit.”
Air Construction Permits ↗Re-checked Sep 11, 2026
2 more reviewed findings on this topic
- Published (with conditions) — Missouri land-disturbance stormwater permits applicable to qualifying development in Butler County
  “1 - < 5 acres | $500”
  Construction Land Disturbance Permits ↗Re-checked Sep 10, 2026
- Published (with conditions) — Missouri onsite wastewater treatment system construction, modification, and repair application fees administered under the statewide DHSS OWTS program.
  “Effective August 28, 2026, [...] the application fees associated with on-site sewage disposal system construction, modifications, and repairs will be temporarily suspended.”
  OWTS Construction Permit Process ↗Re-checked Oct 5, 2026
Permit processPublished (with conditions)
Installation or repair of most onsite wastewater treatment systems in Missouri.
- Some single-family residential lots may be exempt from permitting.
- The applicant must determine which agency has permitting authority where the work is being done.
- DHSS permitting may be administered by the DHSS Onsite Program, a local authority under contract, or a local authority via ordinance.
- Work should not begin until a permit has been issued or an exemption has been confirmed.
- DHSS regulates single-family residential systems and onsite or cluster systems treating domestic wastewater flows of 3,000 gallons per day or less that disperse wastewater through soil treatment or absorption systems.
- DNR regulates other systems, including non-single-family lagoons, systems discharging to surface waters, systems over 3,000 gallons per day, and industrial wastewater systems.
- DNR must approve subdivisions, mobile home parks, and campgrounds if OWTS use is planned.
domestic wastewater flow threshold: <= 3000 gallons per day (Systems above this threshold are regulated by DNR when they disperse wastewater through soil treatment or absorption systems.)
“A construction permit is required before installing or repairing most onsite wastewater treatment systems (OWTS). Some single family residential lots may be exempt from permitting.”
OWTS Construction Permit Process ↗Re-checked Oct 5, 2026
2 more reviewed findings on this topic
- Published (with conditions) — Missouri land-disturbance stormwater permitting for qualifying development in Butler County
  “The main requirement of a land disturbance permit is developing a stormwater pollution prevention plan (SWPPP)”
  Construction Land Disturbance Permits ↗Re-checked Sep 10, 2026
- Published (with conditions) — Permit applications for work on Missouri Department of Transportation right-of-way statewide.
  “Contact the Traffic Specialist a minimum of 48 hours prior to beginning work and for all necessary inspections.”
  Permit Process | Missouri Department of Transportation ↗Re-checked Sep 11, 2026
county zoning authorityLimited
Missouri county zoning authority over unincorporated land.
- RSMo § 64.850 applies to counties of the first class without a charter and counties of the second, third, or fourth class.
- RSMo § 64.620 applies to counties of the second or third class to which §§ 64.510–64.690 apply.
- Adoption under §§ 64.510–64.690 requires approval by vote of the people under § 64.530.
- The authority applies in unincorporated portions and not incorporated portions.
- The regulations must be in accordance with a comprehensive plan.
- Under § 64.090, the zoning power does not apply to raising crops, livestock, orchards, or forestry; seasonal or temporary rice-farming or flood-irrigation impoundments; specified farm structures outside mapped flood-hazard areas; or underground mining entered through shafts outside mapped flood-hazard areas.
- Existing lawful uses and specified public-utility services are protected under the cited statutory schemes.
“the county commission of any county of the first class not having a charter form of government, or of any county of the second, third or fourth class may, after approval by vote of the people as provided in section 64.845, regulate and restrict, by order of record, in the unincorporated portions of the county, the height, number of stories, and size of buildings, the percentage of lots that may be occupied, the size of yards, courts and other open spaces, the density of population, the location and use of buildings, structures and land for trade, industry, residence or other purposes.”
RSMo § 64.850 — County commission may prescribe zoning regulations ↗Re-checked Oct 1, 2026
2 more reviewed findings on this topic
- General — Missouri counties adopting zoning regulations for unincorporated territory.
  “If a majority of the votes cast is in favor of county zoning, the county commission shall proceed with a program of county zoning”
  RSMo § 64.090 — Planning and zoning powers of county commission ↗Re-checked Sep 21, 2026
- Limited — Missouri county zoning of unincorporated land.
  “counties of the second, third or fourth class may, after approval by vote of the people [...] in the unincorporated portions of the county”
  RSMo § 64.090 — Planning and zoning powers of county commission ↗Re-checked Oct 1, 2026
county building authorityLimited
County authority to regulate residential construction and issue building permits in unincorporated areas of Missouri.
- The authority under sections 64.170 to 64.200 applies to counties of the first and second classification.
- A county that had not adopted a building code before August 28, 2001, must obtain voter approval before adopting one under those sections.
- Only voters in the area affected by the proposed code may vote; incorporated-territory citizens cannot vote on a code affecting a county.
- The county commission must hold at least three public hearings and provide the statutory newspaper publication and county posting notices before adoption.
- Regulations adopted under section 64.180 apply to unincorporated territory, except as otherwise provided.
- Adopted or amended codes after August 28, 2001, must use a current, calendar year 1999 or later edition of a nationally recognized building code, as amended.
- A county building ordinance may not conflict with liquefied petroleum gas installations governed by section 323.020.
public hearings before adoption: >= 3 hearings minimum (Section 64.180(3)) · newspaper notice: >= 15 days (Notice of hearing time and place must be published in at least two newspapers having general circulation within the county) · posted notice: >= 15 days (Notice must be posted in four conspicuous places in the county) · minimum nationally recognized building-code edition: >= calendar year 1999 edition year (Applies after August 28, 2001, under section 64.180)
“The regulations adopted shall be applicable to the unincorporated territory of the county, except as otherwise provided herein”
RSMo Section 64.170 — County commissions control construction; issue building permits ↗Re-checked Oct 1, 2026
2 more reviewed findings on this topic
- Limited — County regulation of construction and issuance of building permits for buildings, including residential construction, in Missouri counties, with the practical focus on county-controlled areas outside incorporated territory.
  “the county commission in all counties of the first and second classification [...] is for this purpose empowered [...] to adopt [...] regulations to control the construction”
  RSMo § 64.170 — County commissions control construction and issue building permits ↗Re-checked Sep 21, 2026
- Limited — Missouri counties' authority to require permits and regulate residential construction in unincorporated areas.
  “Before the adoption of such code of regulations, the county commission shall hold at least three public hearings thereon”
  RSMo § 64.170 — County commissions control construction; issue building permits ↗Re-checked Oct 1, 2026

Inside cities and towns in Butler County

Municipal rules found while researching the county. They apply inside that city or town, not to unincorporated land.

Building permitRequired
Construction and listed building-related work within the corporate limits of the City of Butler, Missouri.
- The source states that the City of Butler adopted the 2024 International Building, Residential, Plumbing, Mechanical, Fuel Gas, Property Maintenance, Existing Building, Electrical, and Fire Codes on June 3, 2025.
- Permits are required for new construction, additions, driveways, fences, roofing, carports, garages, storage buildings over 120 square feet, structural interior work, swimming pools, relocating walls, removal or change of required means of egress, electrical wiring, and plumbing or mechanical work affecting public health or general safety.
- The Building Official may require a property survey when property lines cannot be accurately designated for determining zoning-regulation yard setbacks.
- A new roof or second layer of shingles requires a permit and a flat fee of $35.00.
- Buildings constructed without a permit are subject to removal.
storage building permit threshold: > 120 sq. ft. · new roof or second-layer roof permit fee: 35 USD · code adoption date: 2025-06-03
“The City of Butler requires building permits for: new construction additions driveways fences roofing carports garages storage building over 120 sq. ft. interior work that requires the cutting of structural members swimming pools relocating walls removal or change of any required means of egress electrical wiring plumbing or mechanical work affecting public health or general safety.”
Building Inspections & Codes | City of Butler, MO ↗Re-checked Oct 4, 2026
2 more reviewed findings on this topic
- Required — Any construction, alteration, repair, or demolition within the City of Poplar Bluff, Butler County, Missouri
  “Building permits are required for any construction, alteration, repair or demolition. Before any activity can begin within the City of Poplar Bluff, an application must be filled out so the Building Inspector can review the proposed project before a permit is issued. The cost of the permit varies depending upon the nature of the project.”
  Planning & Inspections | Poplar Bluff, MO ↗Re-checked Oct 6, 2026
- Required — Construction, alteration, repair, or demolition within the corporate limits of Poplar Bluff, Butler County.
  “Building permits are required for any construction, alteration, repair or demolition. Before any activity can begin within the City of Poplar Bluff, an application must be filled out so the Building Inspector can review the proposed project before a permit is issued. The cost of the permit varies depending upon the nature of the project.”
  Planning & Inspections ↗Re-checked Oct 6, 2026
Building code adoptedAdopted (with conditions)
Building-code regulation within the City of Poplar Bluff, Butler County, Missouri.
- The January 7, 2019 agenda concerns an amendment to Chapter 500 and its permit-fee provision; it does not state the original adoption date of the building code.
- The City's Planning & Inspections page states that permits are required before construction, alteration, repair, or demolition within the city.
“being marked and designated as the International Building Code, 2018 Edition, [...] be and is hereby adopted as the Building Code of the City of Poplar Bluff”
Regular Meeting Agenda, January 7, 2019 ↗Re-checked Sep 10, 2026
Local zoningPresent (with conditions)
Real property within the corporate limits of Poplar Bluff, Missouri, in Butler County.
- Zoning is administered through city ordinances and the Poplar Bluff Planning and Zoning Commission.
- The source identifies residential, commercial, and industrial zoning designations, with various uses available within each district.
- Specific land-use and zoning requirements are obtained from the Poplar Bluff Planning Office.
“City ordinances give the Commission the responsibility for recommending the zoning of all real property within the corporate limits of the city.”
Planning & Zoning Commission | Poplar Bluff, MO ↗Re-checked Sep 29, 2026
2 more reviewed findings on this topic
- Present (with conditions) — Real property within the corporate limits of the City of Poplar Bluff, Butler County, Missouri.
  “City ordinances give the Commission the responsibility for recommending the zoning of all real property within the corporate limits of the city.”
  Planning & Zoning Commission ↗Re-checked Sep 10, 2026
- Present (with conditions) — Zoning and subdivision development within the City of Poplar Bluff, Butler County, Missouri.
  “Welcome to the City of Poplar Bluff's Planning Department. It is our primary responsibility to plan for and monitor the orderly growth of the City of Poplar Bluff. Part of our department's role includes handling all aspects of zoning and subdivision development.”
  Planning & Inspections ↗Re-checked Oct 7, 2026
Zoning districtsPartial
Property within the corporate limits of Poplar Bluff, a municipality in Butler County
- The source describes three general zoning designations and additional uses within each district.
- The source does not establish zoning districts for unincorporated Butler County or other municipalities.
general zoning designations: residential, commercial, and industrial
“There are three general zoning designations; residential, commercial and industrial.”
Planning & Zoning Commission | Poplar Bluff, MO ↗Re-checked Sep 10, 2026

Still unanswered

We looked and could not find an official answer yet. Silence is not permission — ask the county directly.

Certificate of occupancy — Certificates of occupancy for buildings in Butler County, including unincorporated areas.
Minimum lot size — Minimum lot size on unincorporated parcels in Butler County, Missouri.
Building height — Building-height limits on unincorporated parcels in Butler County, Missouri.
Living in an RV — Long-term or residential RV occupancy on private land in Butler County, including unincorporated areas.
Tiny homes — Occupancy of tiny homes on private land in Butler County, including unincorporated areas.

3 more unanswered

Manufactured homes
Accessory dwellings
Short-term rentals

Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.

Living off-grid in Butler County, Missouri

Is Butler County a good place to live off-grid or homestead?

Butler County scores 73/100 on the Bolthole Index, a strong county profile. Its strengths: low administrative friction for a quiet rural property and manageable long-term carry cost.

How much does land cost in Butler County, Missouri?

Land in Butler County runs about $5,085 per acre, based on the latest county data.

What is the water situation in Butler County?

Butler County gets about 49.9" of rain a year, with severe drought in roughly 6.6% of years.

How remote is Butler County?

A representative private-land location has about 28,037 people within a 30-minute drive and 793,820 within two hours. The road-network catchments count population across county lines and clusters of smaller cities; straight-line radius values remain available as a comparison.

Building permits, zoning and septic rules in Butler County, Missouri