Dent County, MO: No Building Permit, No Zoning

Unincorporated Dent County, Missouri does not require a county building permit for a home¹. Dent County has no planning and zoning regulations, building codes or occupancy certificates for unincorporated land; inside Salem, the city requires building permits and sets zoning^2,3,4. Residential septic systems generally go through Missouri DHSS, while other system types require Missouri DNR oversight^5,6.

At a glance

Building permit: Not required on unincorporated land; Salem requires city building permits^1,3
Zoning: No countywide zoning for unincorporated land; Salem has municipal zoning^2,4
Septic permit: Required on residential lots under 3 acres and for non-residential systems; ask DHSS about any exemption^6,7
RV / temporary camping: No county land-use restriction identified on private land outside municipalities²
Tiny / manufactured home: No county land-use restriction identified on private land outside municipalities²
Accessory dwelling: No county land-use restriction identified on private land outside municipalities²
Well work: A landowner may install a private well or pump under the state landowner exception⁸
Owner-builder exemption: Not confirmed; ask the Dent County Clerk before relying on one^9,10

Who to call

Health department

Missouri DHSS Onsite Wastewater Treatment Program (Dent County)

Onsite wastewater treatment system (septic) construction permits for Dent County, since the county has no septic office of its own

(573) 751-6095 ext. 5

930 Wildwood Dr, Jefferson City, MO 65102

Online permits →

Also useful

Dent County Clerk (Dent County Courthouse)

General county administration, elections and the county's list of offices for Dent County, which has no building or planning/zoning department

573-729-4144

dent@sos.mo.gov

400 N. Main St., Salem, MO 65560

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 Dent County, Missouri?

No county residential building permit is required in unincorporated Dent County.

No county residential building permit is required in unincorporated Dent County¹. Dent County has no planning and zoning regulations, building codes or occupancy certificates for unincorporated land, while floodplain development and waste-disposal systems remain regulated². Inside Salem, the city issues building permits for construction covered by its adopted codes; starting construction without a building permit doubles the permit fee³. Salem building approval does not replace state septic oversight through Missouri DHSS or DNR, depending on system type⁵.

Who handles building-permit questions in Dent County?

For questions about unincorporated Dent County, start with the Dent County Clerk at 400 N. Main St., Salem, MO 65560, by calling 573-729-4144.

For questions about unincorporated Dent County, start with the Dent County Clerk at 400 N. Main St., Salem, MO 65560, by calling 573-729-4144¹⁰. Dent County requires no county residential building permit on unincorporated land¹. For a typical residential septic system, contact the Missouri Department of Health and Senior Services Onsite Wastewater Treatment Program at (573) 751-6095 ext. 5⁶. A driveway built or modified within Missouri Department of Transportation right-of-way requires a MoDOT driveway permit and an initial online request; that requirement does not establish a rule for driveways outside state right-of-way¹¹.

Does Dent County have zoning?

Dent County has no planning and zoning regulations for unincorporated land.

Dent County has no planning and zoning regulations for unincorporated land². Inside Salem, the city sets its own zoning, including residential, commercial, industrial and agricultural districts⁴. Salem also administers conditional-use review through its Planning & Zoning Board of Commissioners¹². State onsite-wastewater oversight remains with Missouri DHSS or DNR, depending on the system⁵. We could not confirm minimum dwelling size, minimum lot size, setbacks, lot coverage or subdivision requirements for unincorporated Dent County; ask the County Clerk before designing or dividing a parcel¹⁰.

How do septic permits work in Dent County?

In Dent County, a septic construction permit is required to install or repair an onsite system on residential property under 3 acres, and for systems serving non-residential structures regardless of acreage⁷. Some single-family lots may be exempt, but acreage alone does not establish eligibility: obtain DHSS confirmation before starting work^6,7. DHSS covers single-family systems, including lagoons, and onsite or cluster domestic systems of 3,000 gallons per day or less using soil treatment or absorption⁵. Missouri DNR regulates larger soil-treatment flows, surface discharges, non-single-family lagoons and industrial wastewater; DNR approval is also required for subdivisions, mobile-home parks and campgrounds planning onsite systems⁵. Only about 8.3% of Dent County soils lack severe limitations for a conventional drain field, so evaluate the site before choosing the house location¹³.

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

Unincorporated Dent County has no identified county land-use rule restricting RV occupancy or temporary camping on private land.

Unincorporated Dent County has no identified county land-use rule restricting RV occupancy or temporary camping on private land². Unincorporated Dent County likewise has no identified county land-use restriction on occupying a tiny home or manufactured home, or on using an accessory dwelling². Those answers do not remove state and federal floodplain or waste-disposal requirements, and rules inside Salem or another incorporated municipality may differ². Missouri treats privies as onsite wastewater components, so an off-grid sanitation plan in Dent County still needs review under state onsite-wastewater rules; most installations or repairs require a construction permit unless an exemption applies⁷.

What are the steps to building a home in Dent County?

Confirm whether the parcel is outside city limits: Salem issues its own building permits and sets zoning.

Confirm whether the parcel is outside city limits: Salem issues its own building permits and sets zoning^3,4. Septic oversight remains with Missouri DHSS or DNR according to system type⁵.

Ask the Dent County Clerk about unresolved parcel-specific questions, including subdivision requirements and setbacks¹⁰.

Contact DHSS first to confirm the septic permitting agency, design requirements and whether an exemption applies; do not begin installation or repair before approval⁶.

Obtain a floodplain development permit if the site lies in the floodplain; development in the regulatory floodway also requires an Engineering No-Rise Certificate before the permit can issue¹⁴.

Apply to MoDOT before building or changing a driveway in state right-of-way¹¹.

For a private well, confirm whether the landowner exception applies; otherwise regulated well and pump work requires the appropriate permitted professional⁸.

What should you check before buying land in Dent County?

Start with the septic site: only about 8.3% of Dent County soils lack severe limitations for a conventional drain field.

Start with the septic site: only about 8.3% of Dent County soils lack severe limitations for a conventional drain field¹³. Missouri does not require a septic inspection for every real-estate sale, but an evaluation requested by a buyer or lender must be performed by a licensed individual; ask DHSS whether a stricter local requirement applies in Dent County^6,7. State rules do not require an existing system to meet current standards solely because an inspection is performed for a sale⁷. Check whether any planned entrance falls within MoDOT right-of-way, because construction or modification there requires a state permit¹¹. Determine whether the building area is in a mapped floodplain, where development requires a permit¹⁴. About 66.9% of county land has a slope of 15% or less, while about 70.2% is wooded, so inspect the actual parcel for grade, clearing needs and usable building area¹³. The median property-tax bill is about $843 per year and the effective property-tax rate is about 0.6%, but verify the parcel's assessment rather than applying countywide figures to a specific tract¹³.

Watch-outs

Dent County's no-zoning answer applies to unincorporated land; Salem has its own zoning districts^2,4.
Septic permit fees for construction, modification and repair are temporarily suspended effective August 28, 2026, pending new standards, so confirm the current charge with DHSS^5,6.
We could not confirm county rules for minimum dwelling size, setbacks, lot coverage, subdivision approval or short-term rentals; ask the Dent County Clerk before purchase or design¹⁰.

Sources

14 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 Dent 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, Dent County requires no county building permit for a home.

Rule	Dent County	Crawford County	Phelps County	Reynolds County	Shannon County	Washington County	Texas County
Building permit	Not required	Not required	Not required	Not required	Not required	Not required	Not required
County zoning	No	No	No	Not published	Not published	No	No
Septic permits	DHSS	County Health Dept.	DHSS	DHSS	MO Dept. of Health & Senior Services	County Health Dept.	County Health Dept.

Answers from the rulebook for Dent County

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

Dent County rules

Living in an RVUnrestricted (with conditions)
RV occupancy on private land in unincorporated Dent County, outside incorporated municipalities.
- The source states that Dent County has no planning and zoning regulations, building codes, or occupancy certificates; therefore no county land-use rule restricting RV occupancy was identified.
- State and federal regulations still apply to building in flood plains.
- State and federal regulations still apply to construction of waste disposal systems.
- Rules inside incorporated municipalities, including the City of Salem, may differ.
“Zoning – At this time, there are no planning and zoning regulations, building codes or occupancy certificates in Dent County. State and federal regulations apply to building in flood plains or for construction of waste disposal systems.”
Starting A Business: Salem and Dent County ↗Re-checked Oct 1, 2026
Camping on your landUnrestricted (with conditions)
Temporary camping on private land in unincorporated Dent County, outside incorporated municipalities.
- The source states that Dent County has no planning and zoning regulations, building codes, or occupancy certificates; therefore no county land-use rule restricting temporary camping was identified.
- State and federal regulations still apply to building in flood plains.
- State and federal regulations still apply to construction of waste disposal systems.
- Rules inside incorporated municipalities, including the City of Salem, may differ.
“Zoning – At this time, there are no planning and zoning regulations, building codes or occupancy certificates in Dent County. State and federal regulations apply to building in flood plains or for construction of waste disposal systems.”
Starting A Business: Salem and Dent County ↗Re-checked Oct 1, 2026
Tiny homesUnrestricted (with conditions)
Tiny-home occupancy on private land in unincorporated Dent County, outside incorporated municipalities.
- The source states that Dent County has no planning and zoning regulations, building codes, or occupancy certificates; therefore no county land-use rule restricting tiny-home occupancy was identified.
- State and federal regulations still apply to building in flood plains.
- State and federal regulations still apply to construction of waste disposal systems.
- Rules inside incorporated municipalities, including the City of Salem, may differ.
“Zoning – At this time, there are no planning and zoning regulations, building codes or occupancy certificates in Dent County. State and federal regulations apply to building in flood plains or for construction of waste disposal systems.”
Starting A Business: Salem and Dent County ↗Re-checked Oct 1, 2026
Manufactured homesUnrestricted (with conditions)
Manufactured-home occupancy on private land in unincorporated Dent County, outside incorporated municipalities.
- The source states that Dent County has no planning and zoning regulations, building codes, or occupancy certificates; therefore no county land-use rule restricting manufactured-home occupancy was identified.
- State and federal regulations still apply to building in flood plains.
- State and federal regulations still apply to construction of waste disposal systems.
- Rules inside incorporated municipalities, including the City of Salem, may differ.
“Zoning – At this time, there are no planning and zoning regulations, building codes or occupancy certificates in Dent County. State and federal regulations apply to building in flood plains or for construction of waste disposal systems.”
Starting A Business: Salem and Dent County ↗Re-checked Oct 1, 2026
Accessory dwellingsUnrestricted (with conditions)
Accessory dwelling units on private land in unincorporated Dent County, outside incorporated municipalities.
- The source states that Dent County has no planning and zoning regulations, building codes, or occupancy certificates; therefore no county land-use rule restricting accessory dwelling units was identified.
- State and federal regulations still apply to building in flood plains.
- State and federal regulations still apply to construction of waste disposal systems.
- Rules inside incorporated municipalities, including the City of Salem, may differ.
“Zoning – At this time, there are no planning and zoning regulations, building codes or occupancy certificates in Dent County. State and federal regulations apply to building in flood plains or for construction of waste disposal systems.”
Starting A Business: Salem and Dent County ↗Re-checked Oct 1, 2026
County-wide zoningAbsent
Dent County lists no planning/zoning department among its offices and has no countywide zoning for unincorporated areas; zoning applies only within incorporated cities such as Salem.
Dent County, Missouri official website ↗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
Who permits septicMixed (with conditions)
Onsite wastewater treatment systems statewide in Missouri.
- DHSS administers minimum standards and permits through DHSS, local contract authorities, or local authorities operating under ordinance.
- County or city governments may adopt standards stricter than the state standard.
- DNR regulates lagoons serving anything other than single-family residences, systems discharging to surface waters, systems treating flows greater than 3,000 gallons per day and dispersing through soil absorption systems, and industrial wastewater systems.
- DNR approval is required for subdivisions, mobile home parks, and campgrounds when OWTS use is planned.
domestic wastewater flow threshold: <= 3000 gallons per day (DNR regulates systems with flows greater than 3,000 gallons per day when wastewater is dispersed through soil treatment or absorption systems)
“DHSS OWTS permitting falls under one of three authority types: DHSS Onsite Program, Local Authority (contract), or Local Authority via Ordinance. The application process varies by permitting authority.”
OWTS Construction Permit Process ↗Re-checked Oct 1, 2026
2 more reviewed findings on this topic
- Mixed (with conditions) — Onsite wastewater systems in Missouri, including systems located in Dent County, classified by system type and flow.
  “The Missouri Department of Health and Senior Services (DHSS) regulations cover: [...] The Missouri Department of Natural Resources (DNR) regulates other wastewater treatment systems”
  OWTS Construction Permit Process ↗Re-checked Sep 11, 2026
- Mixed — Missouri wastewater treatment systems, including domestic onsite systems, larger-flow systems, direct discharges, lagoons, subdivisions, and industrial wastewater.
  “In Missouri, different state and local agencies are responsible for regulating wastewater treatment systems.”
  On-site Septic Systems and Subdivisions ↗Re-checked Sep 11, 2026
Septic permitRequired
Installation or repair of onsite wastewater systems in Dent County to the extent Missouri statewide DHSS rules apply.
- A construction permit is required for residential property less than three acres.
- The FAQ states that the exemption does not apply in some counties; the Dent County-specific exception status was not established.
- A permit is required regardless of property size for onsite systems serving non-residential structures.
- Some single-family residential lots may be exempt from permitting.
- Campgrounds, mobile-home parks, subdivisions, and other systems outside DHSS coverage may require DNR approval or additional requirements.
residential property threshold: < 3 acres (The exemption does not apply in some counties.) · DHSS wastewater flow coverage: <= 3000 gallons per day (Other systems may fall under DNR jurisdiction.)
“A construction permit is required to install or repair an onsite system on any residential property less than three acres.”
OWTS Construction Permit Process ↗Re-checked Oct 4, 2026
4 more reviewed findings on this topic
- Required — Installation or repair of onsite wastewater systems in Missouri, including Dent County.
  “A construction permit is required to install or repair an onsite system on any residential property less than three acres.”
  OWTS Construction Permit Process ↗Re-checked Sep 11, 2026
- Required — Installing or repairing most onsite wastewater treatment systems in Missouri, including residential systems subject to state permitting.
  “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 Sep 11, 2026
- Required — Installing or repairing most onsite wastewater treatment systems statewide in Missouri.
  “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 1, 2026
- Required — Proposed campgrounds, mobile home parks, and subdivisions planning to use onsite wastewater treatment systems anywhere in Missouri.
  “DNR must approve subdivisions, mobile home parks and campgrounds if the use of OWTS is planned.”
  OWTS Construction Permit Process ↗Re-checked Oct 1, 2026
Septic inspectionNot required
Inspection or evaluation of an existing onsite wastewater system in connection with a Missouri real-estate sale, including Dent County where no stricter local rule has been established.
- A lender or buyer may request an inspection or evaluation.
- If requested, it must be conducted by a licensed individual.
- Some counties may require an onsite system inspection or evaluation for every real-estate transaction.
- Local standards may be more stringent than state regulations.
- State regulations do not require systems to be brought up to current standards solely as a result of an inspection or evaluation to be sold.
“No. However, if a lender or buyer requests an inspection/evaluation, it must be conducted by a licensed individual.”
health.mo.gov ↗Re-checked Oct 4, 2026
3 more reviewed findings on this topic
- Not required — OWTS inspections or evaluations before a real-estate transaction in Missouri, including Dent County.
  “No. However, if a lender or buyer requests an inspection/evaluation, it must be conducted by a licensed individual.”
  health.mo.gov ↗Re-checked Sep 11, 2026
- Limited — Inspection or evaluation of existing onsite wastewater systems in connection with Missouri real-estate transfers.
  “For the most part, local public health agencies no longer inspect existing systems related to real estate transfer. The help of a licensed inspector can be obtained to check the condition of the system.”
  Onsite Wastewater Treatment System Inspections Versus Evaluations ↗Re-checked Sep 11, 2026
- Limited — Inspections of existing onsite sewage systems in connection with property sales statewide in Missouri.
  “Missouri Department of Health and Senior Services' (DHSS) rules governing onsite sewage systems cover minimum construction requirements, system inspections at the time of property sales, and requirements for percolation testers and soil evaluators.”
  health.mo.gov ↗Re-checked Oct 1, 2026
Off-grid sanitationLimited
Off-grid domestic wastewater treatment using onsite wastewater treatment systems where central sewer service is unavailable.
- Onsite systems treat and dispose of domestic sewage on the property where generated.
- A construction permit is generally required, including for residential property less than three acres, subject to county-specific exceptions.
- Wastewater may not be discharged into a road ditch or onto the ground.
- Local permitting authorities may impose additional requirements.
residential lot threshold: < 3 acres (The exemption does not apply in some counties.)
“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
2 more reviewed findings on this topic
- Limited — Off-grid sanitation using an onsite wastewater system, including a privy, in Missouri, including Dent County.
  “Basic systems and components consist of [...] lagoons, holding tanks and privies.”
  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
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
- Not required (with conditions) — A water well or pump installed by its landowner in Missouri, including Dent County.
  “Landowners may install their own well or pump without a permit pursuant to the above mentioned law and rules.”
  Water Wells - PUB2945 ↗Re-checked Sep 11, 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
5 more reviewed findings on this topic
- Available — Erection, maintenance, repair, alteration, or extension of farm buildings and farm structures with respect to county fire protection or fire prevention ordinances in Missouri, including Dent County.
  “no fire protection or fire prevention ordinance adopted by any county [...] shall [...] require permits with respect to [...] 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 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 accessLimited
Construction or modification of driveways located in Missouri Department of Transportation right-of-way in Dent County.
- The requirement applies to work on MoDOT right-of-way.
- An initial online request must be submitted for each planned activity.
- Engineered drawings or plans may be required depending on scope, type, or complexity.
- A traffic study, hydraulic analysis, traffic control plan, surety deposit, or performance bond may be required in the circumstances stated on the page.
- The page 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 ↗Re-checked Sep 11, 2026
One more reviewed finding on this topic
- Required — Construction or modification of driveways within MoDOT right-of-way statewide.
  “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
2 more reviewed findings on this topic
- Required — All development in the floodplain in Dent County, subject to the applicable community permit process.
  “This sample Floodplain Development Permit was developed by the State and can be used “as is” or modified to fit the community’s permit process. Regardless, some type of permit MUST be issued for ALL development in the floodplain.”
  Floodplain Forms ↗Re-checked Sep 11, 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 — On-site sewage disposal system construction, modification, and repair application fees applicable to Dent County through the Missouri DHSS onsite wastewater program.
  “Effective August 28, 2026, due to changes to RSMo 701.046, the application fees associated with on-site sewage disposal system construction, modifications, and repairs will be temporarily suspended.”
  OWTS Construction Permit Process — Temporary Permit Fee Suspension ↗Re-checked Sep 11, 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)
Most onsite wastewater treatment system installations and repairs in Dent County, administered by the Missouri Department of Health and Senior Services.
- A construction permit is required before installing or repairing most OWTS.
- Some single-family residential lots may be exempt from permitting.
- The first step is determining the agency with permitting authority.
- Work should not begin until a permit has been issued or an exemption has been confirmed.
- DHSS regulates single-family residential systems and systems treating domestic wastewater flows of 3,000 gallons per day or less through soil treatment or absorption systems.
- DNR regulates the listed other wastewater categories, including non-single-family lagoons, surface-water discharges, flows greater than 3,000 gallons per day, and industrial wastewater.
- DNR must approve subdivisions, mobile home parks, and campgrounds if OWTS use is planned.
Dent County permitting agency: Missouri Department of Health and Senior Services Onsite Wastewater Treatment Program · domestic wastewater flow threshold: <= 3000 gallons per day (DHSS coverage described for onsite or cluster systems dispersed through soil treatment or absorption systems.)
“Agency: DHSS Authority Type: DHSS Address: 930 Wildwood Dr, Jefferson City, MO 65102 County: Dent Phone: (573) 751-6095 ext. 5”
OWTS Construction Permit Process ↗Re-checked Sep 11, 2026
2 more reviewed findings on this topic
- 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
- Published (with conditions) — Installation or repair of most onsite wastewater treatment systems in Missouri.
  “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
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 Dent County

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

Building permitRequired
Demolition, construction, plumbing, or electrical work in the City of Salem.
- The publication states that this includes demolition necessary for a remodel.
- For new construction, the Building Inspector can answer questions about setbacks, parking, landscaping, and sign permits.
“A Building permit must be obtained prior to ANY demolition work and/or any construction, plumbing, or electrical work beginning. This includes demolition necessary for a remodel.”
Starting a Business: Salem and Dent County — City of Salem permits and zoning ↗Re-checked Nov 13, 2026
Local zoningPresent (with conditions)
Conditional-use zoning review within the City of Salem, Dent County, Missouri.
- The cited notice concerns a request for a conditional use permit for installation of a cell tower at 1702 Doss Rd.
- A public hearing before the City of Salem Planning & Zoning Board of Commissioners was scheduled, followed by a public meeting to accept or reject the request.
- The cited property description places the lease area in Dent County, but the source does not establish that the parcel is outside Salem city limits.
“The City of Salem, Missouri, is hereby giving Public Notice that a Public Hearing will be held by the Planning & Zoning Board of Commissioners, Thursday, March 17, at 6:00 P.M., in the City Hall Council Chamber, 202 N. Washington, for all interested parties to be given the opportunity to be heard on the following matter: 1. Request for a conditional use permit for the installation of a cell tower on the property located at 1702 Doss Rd: owner Sherman/Marsha Odom”
City of Salem Board of Aldermen agenda and public notices ↗Re-checked Oct 3, 2026
2 more reviewed findings on this topic
- Present (with conditions) — The City of Salem, Missouri, within Dent County; a conditional-use permit process is administered by the City's Planning & Zoning Board of Commissioners.
  “The City of Salem, Missouri, is hereby giving Public Notice that a Public Hearing will be held by the Planning & Zoning Board of Commissioners, Thursday, March 17, at 6:00 P.M., in the City Hall Council Chamber, 202 N. Washington, for all interested parties to be given the opportunity to be heard on the following matter: 1. Request for a conditional use permit for the installation of a cell tower on the property located at 1702 Doss Rd: owner Sherman/Marsha Odom”
  City of Salem Board of Aldermen agenda and public notice ↗Re-checked Oct 6, 2026
- Present (with conditions) — Planning and zoning regulation within the City of Salem, an incorporated municipality in Dent County.
  “Request for a conditional use permit for the installation of a cell tower on the property located at 1702 Doss Rd: owner Sherman/Marsha Odom”
  City of Salem Board of Aldermen Agenda, June 28, 2022 ↗Re-checked Oct 6, 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 residential buildings in Dent County, including unincorporated areas.
Minimum lot size — Minimum lot size in unincorporated Dent County.
Building height — Building height or story limits in unincorporated Dent County.
Short-term rentals — Short-term rental use in Dent County.

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 Dent County, Missouri

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

Dent County scores 77/100 on the Bolthole Index, a strong county profile. Its strengths: deep seclusion — about 1,670 people within a 30-minute drive and low administrative friction for a quiet rural property.

How much does land cost in Dent County, Missouri?

Land in Dent County runs about $2,920 per acre, based on the latest county data.

What is the water situation in Dent County?

Dent County gets about 46" of rain a year, with severe drought in roughly 5.1% of years.

How remote is Dent County?

A representative private-land location has about 1,670 people within a 30-minute drive and 439,464 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 Dent County, Missouri