Barry County, MO: No Building Permit

Unincorporated Barry County, Missouri does not require a general county building permit for a home¹. County zoning remains unconfirmed; Monett issues city building permits and sets zoning^2,3,4. Barry County Health Department requires septic permits for covered work, except regulated wastewater systems operated by or for an incorporated municipality⁵.

At a glance

Building permit: No general county permit; verify city rules for incorporated land¹
Zoning: Countywide status unconfirmed; ask the County Commission²
Septic permit: Health Department permit for covered work; municipal-operated regulated systems exempt⁵
Septic inspection: Installation and repair inspection before trenches are backfilled⁶
RV living: Not confirmed; ask the County Commission and applicable city²
Tiny homes: No confirmed countywide occupancy or minimum-size rule²
Private well: Public-system wells need approval; private domestic wells are treated differently⁷

Who to call

Septic permits

Barry County Health Department, Environmental Services

Onsite wastewater inspections, complaints, and private-well laboratory testing in Barry County, Missouri

417-847-2114

info@barrycountyhealth.com

90 Barry County Drive, PO Box 207, Cassville, MO 65625

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 Barry County, Missouri?

A general county building permit is not required for a home in unincorporated Barry County, Missouri.

A general county building permit is not required for a home in unincorporated Barry County, Missouri¹. Missouri adopts fire and building codes locally, and we could not confirm Barry County’s current adopted building codes^1,8. Monett issues its own building permits; Pierce City, mainly in Lawrence County but reaching into Barry County, also requires city building permits for covered construction^3,9. City building approval does not settle wastewater approval: Barry County Health Department administers covered septic systems, while Pierce City’s Superintendent issues its local private-sewage permit^5,10. We could not confirm a county certificate-of-occupancy rule or owner-builder exemption¹¹. Missouri’s farm-structure protection applies specifically to county fire-protection or fire-prevention permits¹².

Who handles building permits and septic permits in Barry County?

Barry County has no general county building-permit application for a house in an unincorporated area.

Barry County has no general county building-permit application for a house in an unincorporated area¹. Monett’s Zoning Inspector issues its city building permit; Pierce City, which lies mainly in Lawrence County and reaches into Barry County, requires plans submitted to the Fire Chief for covered building work^3,9. For county-administered septic permits, contact Barry County Health Department Environmental Services in Cassville; its specialists inspect onsite wastewater systems and its laboratory tests private-well water^5,13. Regulated systems operated by or for an incorporated municipality are exempt from the county ordinance; Pierce City’s Superintendent handles its local private-sewage permit and inspection^5,10. Ask the Barry County Commission which zoning authority applies to unincorporated land because county zoning remains unconfirmed².

Does Barry County, Missouri have zoning?

We could not confirm whether Barry County currently has county zoning for unincorporated land; ask the Barry County Commission before relying on a parcel’s advertised uses.

We could not confirm whether Barry County currently has county zoning for unincorporated land; ask the Barry County Commission before relying on a parcel’s advertised uses². Monett administers city zoning through Community Development, and Pierce City, mainly in Lawrence County but reaching into Barry County, has city zoning districts^4,14. City zoning approval does not replace wastewater approval: Barry County Health Department administers covered septic systems, and Pierce City’s Superintendent issues its local private-sewage permit^5,10. Cassville also has zoning districts and a zoning map kept by the City Clerk¹⁵. We could not confirm county rules for RV residences, tiny homes, accessory dwellings, setbacks, minimum house size or minimum lot size².

How do septic permits work in Barry County?

Barry County Health Department requires a septic permit before covered construction, installation, renovation, repair or modification; regulated systems operated by or for an incorporated municipality are exempt⁵. The Health Department must approve system type, design and capacity before issuing the Permit to Install, and the permit also includes authorization to use the system⁵. Every installation needs a site evaluation by a registered soil scientist or professional engineer; a percolation test alone is not acceptable⁶. Published septic fees are $200 for a single-family dwelling, $300 for a non-single-family dwelling and $75 for repairs; confirm the amount currently collected with the Health Department because fees may change and Missouri DHSS announced a temporary application-fee suspension effective August 2026⁶. Plans and the site are reviewed before approval; installation and repair work requires final inspection before backfilling, with 24-hour advance notice when possible⁶. Only 15.3% of Barry County soils lack severe limits for a conventional drain field, so evaluate septic feasibility early¹⁶.

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

We could not confirm a Barry County rule that allows or prohibits living in an RV, temporary camping, tiny-home occupancy or manufactured-home occupancy.

We could not confirm a Barry County rule that allows or prohibits living in an RV, temporary camping, tiny-home occupancy or manufactured-home occupancy². Countywide zoning remains unconfirmed, and no confirmed countywide minimum dwelling size, setback or accessory-dwelling rule answers those questions indirectly². Ask the Barry County Commission about an unincorporated parcel; inside Cassville, check the city zoning district and map before buying or placing a dwelling^2,15. Barry County prohibits living, working or assembling in a building for 6 or more hours without Health Department-approved sanitary disposal of wastewater and human waste⁵. A small or movable dwelling therefore does not avoid the sanitation requirement or the septic permit required for covered work in unincorporated Barry County^5,6.

What are the steps to build a home in Barry County?

Confirm whether the parcel is unincorporated and ask the Barry County Commission which zoning approval, floodplain development permit or access rule applies.

Confirm whether the parcel is unincorporated and ask the Barry County Commission which zoning approval, floodplain development permit or access rule applies^2,17.

For incorporated land, ask the city whether it requires a building permit and zoning approval; Cassville has zoning districts and a zoning map^1,15. Also identify the wastewater authority because a city building office does not automatically handle septic⁵.

For a septic permit in unincorporated Barry County, obtain a 911 address and parcel ID, then have a registered soil scientist or professional engineer complete the site evaluation⁶.

Submit the system drawing, site evaluation and wastewater permit fee to Barry County Health Department, then wait for plan review and a site visit before approval⁶.

Wait for the Permit to Install before construction and arrange the final installation inspection before backfilling^5,6.

If the project has a public water-system well, obtain written approval before construction or alteration; private domestic wells are treated differently⁷.

Obtain a MoDOT driveway permit before constructing or modifying a driveway in state right-of-way¹⁸.

What should you check before buying land in Barry County?

Start with septic feasibility: only 15.3% of Barry County soils lack severe limitations for a conventional drain field.

Start with septic feasibility: only 15.3% of Barry County soils lack severe limitations for a conventional drain field¹⁶. Missouri generally requires a septic construction permit for major work and requires one for a residential property under 3 acres where state rules apply, but qualifying acreage exclusions exist^19,20,21. Barry County independently requires a septic permit for covered work in unincorporated areas, including residential systems that might qualify for the state acreage exclusion⁶. Developers should check the separate Missouri DNR review for qualifying subdivisions using individual onsite systems²². Confirm zoning, RV use, tiny-home use, setbacks and the local floodplain development permit process with the County Commission; for Cassville property, consult the city zoning district and map^2,15,17. A driveway constructed or modified within MoDOT right-of-way requires a MoDOT driveway permit¹⁸.

Watch-outs

Barry County's zoning status is unconfirmed, so do not treat an unincorporated parcel as unrestricted².
Barry County's septic ordinance independently requires a septic permit in unincorporated areas, so do not assume Missouri's acreage exclusion eliminates the county application^6,21.
Barry County’s septic ordinance exempts regulated systems operated by or for a municipality, rather than all septic systems inside city limits⁵.

Sources

22 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 Barry County means bringing your own water and power. The kit we’d start with:

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Compared with neighboring counties

Unlike 5 of its 6 neighbors, Barry County requires no county building permit for a home.

Rule	Barry County	Stone County	McDonald County	Newton County	Lawrence County	Taney County	Christian County
Building permit	Not required	Required	Limited	Required	Not required	Required	Required
County zoning	Not published	Yes	No	Not published	No	Yes	Yes
Septic permits	County Health Dept.	County Health Dept.	County Health Dept.	County Health Dept.	County Health Dept.	County Env. Services Dept.	County Health Dept.

Cities and towns in Barry County

Inside a city or town, that city usually issues building permits and sets zoning; the county’s rules above cover unincorporated land. Septic, wells and floodplain rules usually stay with the county or state everywhere.

Not yet covered: Cassville · Village of Emerald Beach · Purdy · Seligman · Wheaton

Answers from the rulebook for Barry County

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

Barry County rules

Who permits septicCounty (with conditions)
On-site wastewater treatment systems administered by the Barry County Health Department.
- The county health department administers inspections and wastewater permit materials; Missouri Department of Natural Resources or another federal or state agency may also issue applicable permits.
- The ordinance requires compliance with permits issued by the Missouri Department of Natural Resources or another federal or state agency.
“Any person engaged in construction, installation, renovation or repair of any wastewater treatment system or part of a wastewater treatment system shall obtain a permit from the Barry County Health Department.”
Environmental Services | Barry County Health ↗Re-checked Oct 4, 2026
Septic permitRequired
Construction, installation, renovation, repair, or modification of wastewater treatment systems in Barry County, except regulated wastewater treatment systems operated by or on behalf of an incorporated municipality.
- Barry County's ordinance applies to all wastewater treatment systems in the county.
- Regulated wastewater treatment systems operated by or on behalf of an incorporated municipality are exempt from the county ordinance.
- A permit from the Barry County Health Department is required before construction, installation, renovation, or repair proceeds.
- The system type, design, and capacity must be approved by the Health Department before issuance of the Permit to Install.
- The permit has two parts: Part One authorizes construction, installation, or modification; Part Two authorizes operation/use.
- A site evaluation by a registered soil scientist or professional engineer is required for every installation; a percolation test alone is not acceptable.
- A 911 address and parcel identification number are required before applying.
- The application must include a detailed system drawing, site evaluation, and the applicable permit fee.
- Plans are reviewed by the Health Department and a site visit is made; the procedure states this process might take up to 5 days, with approval or denial at that time.
- Final inspection is required before backfilling, with 24-hour advance notice required when possible.
- Construction must be performed by a Health Department-registered installer, except as specified in Section 7.03; a homeowner may install a system serving the homeowner's residence after demonstrating proper knowledge and passing the required written test.
- The ordinance states it was adopted April 19, 1999, effective May 10, 1999, and amended April 11, 2008, effective May 15, 2008.
single-family dwelling permit fee: 200 USD · non-single-family dwelling permit fee: 300 USD · repair permit fee: 75 USD · permit review process: up to 5 days (The procedure says approval or denial is made after the Health Department review and site visit.) · final inspection notice: >= 24 hours (Advance notice is required when possible.)
“SECTION 2. APPLICABILITY. These regulations apply to all wastewater treatment systems in the county. Regulated wastewater treatment systems operated by or on behalf on an incorporated municipality are exempt from this ordinance. [...] 5.01 Any person engaged in construction, installation, renovation or repair of any wastewater treatment system or part of a wastewater treatment system shall obtain a permit from the Barry County Health Department.”
Barry County Wastewater Treatment Systems Ordinance ↗Re-checked Sep 23, 2026
3 more reviewed findings on this topic
- Required — Construction, installation, renovation, repair, or modification of wastewater treatment systems governed by the Barry County ordinance.
  “shall obtain a permit from the Barry County Health Department.”
  Barry County Wastewater Treatment Systems Ordinance ↗Re-checked Sep 30, 2026
- Required — Construction, installation, renovation, repair, or modification of wastewater treatment systems under Barry County Health Department jurisdiction, principally in unincorporated Barry County.
  “Any person engaged in construction, installation, renovation or repair of any wastewater treatment system [...] shall obtain a permit from the Barry County Health Department.”
  Barry County Wastewater Treatment Systems Ordinance ↗Re-checked Sep 30, 2026
- Required — Construction, installation, renovation, repair, or modification of wastewater treatment systems in unincorporated Barry County, including residential systems on lots that might otherwise qualify for Missouri's state-law acreage exclusion.
  “4.01 Construct, install, or modify any wastewater treatment system without the permit required herein. [...] Repairs $75.00 [...] Once approval is given, construction of the system can begin.”
  Barry County Wastewater Treatment Systems Ordinance ↗Re-checked Oct 6, 2026
Septic inspectionLimited
Final inspection of wastewater treatment system installation before backfilling trenches under the Barry County Health Department permit procedure.
- The cited procedure specifies a final inspection before backfilling the trenches, in accordance with the current ordinance.
- Twenty-four-hour advance notice is required when possible.
- The county ordinance exempts regulated wastewater treatment systems operated by or on behalf of an incorporated municipality.
- The cited materials do not establish a periodic inspection requirement for every existing septic system.
advance inspection notice: 24 hours (Required when possible.)
“Final inspection is made before back-filling the trenches in accordance with the current ordinance. A 24-hour advance notice is required, when possible.”
Wastewater Treatment Systems Permit Application Procedure ↗Re-checked Sep 30, 2026
One more reviewed finding on this topic
- Required — On-site wastewater treatment system installations and repairs in Barry County.
  “Final inspection is made before back-filling the trenches in accordance with the current ordinance. A 24-hour advance notice is required, when possible.”
  Wastewater Treatment Systems Permit Application Procedure and Barry County Wastewater Ordinance ↗Re-checked Oct 4, 2026
Off-grid sanitationLimited
Sanitation for buildings and public gatherings using on-site wastewater treatment or other approved methods in Barry County.
- Sanitary disposal of all wastewater and human excreta must be provided by methods or devices approved by the Health Department.
- The quoted restriction applies to living, working, or assembling in a building, or assembling at a public gathering, for six or more hours.
minimum duration triggering rule: >= 6 hours
“Live, work or assemble in any building or assemble at any public gathering six (6) or more hours in duration where sanitary disposal of all wastewater and human excreta is not provided by methods or devices approved by the Health Department.”
Wastewater Treatment Systems Permit Application Procedure and Barry County Wastewater Ordinance ↗Re-checked Oct 4, 2026
Permit feesPublished (with conditions)
Barry County wastewater permit fees.
- The published fees apply to the wastewater permit procedure documented by the Barry County Health Department.
- The source does not establish that these fees apply to building or other permits.
single-family dwelling wastewater permit fee: 200 USD · non-single-family dwelling wastewater permit fee: 300 USD · wastewater repair permit fee: 75 USD
“Single-family dwelling $200.00 Non-single family dwelling $300.00 Repairs $75.00”
Wastewater Treatment Systems Permit Application Procedure ↗Re-checked Sep 30, 2026
Permit processPublished (with conditions)
Barry County wastewater treatment system permit applications.
- A registered soil scientist or professional engineer must perform a site evaluation for every installation.
- A percolation test alone is not acceptable.
- A 911 address and parcel ID are required before application.
- Plans are reviewed and the site is visited; the process may take up to five days.
- Construction may begin only after approval.
- Final inspection occurs before backfilling.
possible plan-review period: <= 5 days (the procedure says the process might take up to 5 days)
“A percolation test by itself is not acceptable.”
Wastewater Treatment Systems Permit Application Procedure ↗Re-checked Sep 30, 2026

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
Well permitLimited
Construction or alteration of a public well serving a Missouri public water system.
- Public water systems must receive written approval from the Missouri Department of Natural Resources Public Drinking Water Branch before constructing or altering a public well.
- The requirement does not apply when 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.
- The survey addresses minimum isolation or setback distances from known or potential contaminant sources, including septic tanks, sanitary sewer lines, and landfills.
- Before applying for construction authorization, the public water system must obtain an estimated casing-depth letter from the Missouri Geological Survey Water Resources Center.
- There is no fee for the well-site-survey and estimated-casing-depth-letter services.
- Failure to obtain construction authorization may result in approval delays and possibly require the owner to properly plug the well and drill a new one according to 10 CSR 60-3.
public water system threshold: at least 15 service connections or regularly serves an average of at least 25 individuals daily, at least 60 days per calendar year
“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
3 more reviewed findings on this topic
- Required — Construction or alteration of a public water-system well serving Barry County projects.
  “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.”
  Who Regulates Water Wells in Missouri? ↗Re-checked Sep 26, 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
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
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
4 more reviewed findings on this topic
- 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
2 more reviewed findings on this topic
- Limited — New residential subdivisions and expansions in Barry County that use individual onsite wastewater systems.
  “As described in the Residential Housing Development Rule, new subdivisions need to receive written approval from MoDNR for the method of wastewater treatment when a developer proposes seven or more lots, each less than five acres and use individual on-site wastewater treatment systems on the individual lots.”
  On-site Wastewater Treatment (Septic) in a Subdivision ↗Re-checked Sep 26, 2026
- 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
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
One more reviewed finding on this topic
- 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
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 Barry County

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

Local zoningPresent (with conditions)
Land and buildings within the City of Cassville, Barry County, Missouri, subject to the City's zoning districts and zoning map.
- Cassville's zoning area is divided into designated districts.
- District boundaries are shown on the Zoning Map, which is part of the regulation and is on file in the City Clerk's office.
- The applicable district and City zoning map must be consulted for parcel-specific requirements.
“In order to classify, regulate, and restrict the location of trades, industries, and the location of buildings designed for specified uses; to regulate and limit the height and bulk of buildings; to regulate and limit the intensity of the use of lots; to regulate and determine the area of yards and other open space surrounding buildings; and to regulate and restrict the density of population, the Zoning Area is hereby divided into districts designated as follows, replacing existing districts as noted:”
Chapter 400: Zoning Regulations - City of Cassville, MO ↗Re-checked Oct 4, 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 unincorporated Barry County.
County-wide zoning — Whether Barry County has adopted and currently maintains a countywide zoning ordinance or zoning map applicable to unincorporated areas.
Minimum lot size — Minimum lot size in unincorporated Barry County
Building height — Building-height limits in Barry County.
Living in an RV — RV occupancy on private land in unincorporated Barry County

4 more unanswered

Tiny homes
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 Barry County, Missouri

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

Barry County scores 70/100 on the Bolthole Index, a strong county profile. Its strengths: manageable long-term carry cost and low administrative friction for a quiet rural property.

How much does land cost in Barry County, Missouri?

Land in Barry County runs about $4,384 per acre, based on the latest county data.

What is the water situation in Barry County?

Barry County gets about 46.7" of rain a year, with severe drought in roughly 8.2% of years.

How remote is Barry County?

A representative private-land location has about 25,604 people within a 30-minute drive and 1,709,429 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 land rules in Barry County, Missouri