Saline County, MO Building Permits, Zoning & Septic Rules

Unincorporated Saline County, Missouri is recorded as not requiring a county residential building permit, but the county does not publish an explicit permit-status statement, so confirm your project with the County Commission before building¹². County records also indicate no countywide zoning, while septic approval is required through the Saline County Health Department for a single home or business on less than 3 acres³⁴.

At a glance

Building permit: Recorded as not required in unincorporated Saline County; confirm with the County Commission¹²
Zoning: Recorded as no countywide zoning; confirm parcel jurisdiction with the County Commission³²
Septic permit: County approval is required for new systems and major modifications serving a single home or business on less than 3 acres⁴
RV living: Not confirmed; ask the County Commission before using an RV as a residence³²
Tiny home: No county-specific occupancy or placement rule was confirmed; ask the County Commission³²
Owner-builder: No county owner-builder exemption was confirmed⁵
Private well: Missouri requires permits for professional well and pump installation, but allows a landowner to install the landowner's own well or pump without one⁶
Floodplain: Development in a locally administered mapped floodplain requires a permit⁷

Who to call

Also useful

Saline County Commission

County policy and questions about county jurisdiction, building permits and zoning

(660) 886-7777

Saline County Courthouse, 19 E. Arrow Street, Room 101, Marshall, MO 65340

Septic permits

Saline County Health Department, Environmental Health

Onsite wastewater system permits, approvals, complaints and installer questions

660-886-3434

1825 Atchison Avenue, Marshall, MO 65340

Contact details are copied from each office’s official page and were checked against it on September 28, 2026.

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

Unincorporated Saline County is recorded as not requiring a county residential building permit¹. The official county pages reviewed do not publish a direct statement that residential permits are unnecessary or identify an adopted county building code, so call the Saline County Commission with the parcel location and project description before construction². Missouri law authorizes building-code adoption only for counties within specified classifications and requires voter approval in certain circumstances; that authority does not itself prove Saline County adopted a code⁸.

Municipal rules are separate: the City of Marshall tells applicants to comply with its current codes before submitting permits, and that city rule does not establish the rule for unincorporated Saline County⁹. Where a political subdivision requires permits, the licensed engineer who sealed plans for a new one- or two-family dwelling may perform footing, foundation, wall and framing inspections under the subdivision's procedures¹⁰.

Who handles building and zoning questions in Saline County?

Saline County does not identify a building or planning department in the available county information, so the practical first contact for an unincorporated parcel is the Saline County Commission¹³. The Commission establishes county policy and supervises county buildings, roads and bridges; it can direct a landowner to the correct office if a project triggers a county function². Reach the Commission at (660) 886-7777 at the Saline County Courthouse in Marshall².

Give the Commission the parcel number, road name, proposed use and structure type. Ask specifically about a residential building permit, inspections, a certificate of occupancy, floodplain review and driveway access, because the available county material does not settle those project-specific questions¹². A driveway connecting to Missouri Department of Transportation right-of-way requires an initial request and state permit¹¹.

Does Saline County have zoning?

Available Saline County records indicate no countywide zoning for unincorporated land³. The county's published pages do not contain an explicit no-zoning statement or a current county zoning ordinance, so ask the County Commission to confirm jurisdiction for the specific parcel before relying on that answer². Missouri law allows qualifying counties to establish zoning for unincorporated territory only after voter approval, but the state authority alone does not show whether Saline County completed that process¹².

We could not confirm county rules for minimum dwelling size, general building setbacks, lot coverage, building height, accessory dwellings or manufactured-home placement. Ask the Commission about each feature that matters, and check municipal rules separately if the parcel lies in Marshall or another incorporated community³². Septic rules still constrain a homesite: Missouri has siting conditions for large-lot exclusions, and some subdivision wastewater systems require state approval¹³¹⁴.

How do septic permits work in Saline County?

For a single home or business on less than 3 acres, new onsite wastewater construction and major modifications require an application fee, construction permit, soil morphology test and Saline County Health Department approval⁴. A DHSS-certified soil scientist should analyze the site, and a registered engineer must design the system if a conventional absorption system or lagoon is unsuitable¹⁵. Only 6.4% of Saline County soils are rated without severe limits for a conventional drain field, so make the soil evaluation an early purchase contingency¹⁶.

Missouri temporarily suspended onsite-system application fees effective August 28, 2026, even though the county page still describes an application fee; ask the Health Department what is currently collected¹⁷. A single-family lot of 3 acres or more may qualify for a state exclusion if every part of the system is more than 10 feet from adjoining property lines and the system causes no off-site effluent, contamination or nuisance¹³. Never start work until the Health Department confirms the applicable permit or exclusion¹⁷.

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

We could not confirm a Saline County rule that expressly permits or prohibits living in an RV or tiny home on private land. Available Saline County records indicate no countywide zoning, but that does not answer occupancy, sanitation, floodplain, utility or municipal requirements for a particular parcel³. Before buying land for this use, ask the Saline County Commission whether any county rule applies and ask the relevant city if the parcel is within municipal limits².

Any occupied dwelling still needs lawful sewage disposal: domestic wastewater must go to a regulated sewer or compliant onsite system, and sewage may not discharge onto the ground, into waterways, lakes or ponds other than lagoons, or off the served property¹³¹⁸. A tiny home using a private well also falls under Missouri well rules; professional construction or repair generally requires the relevant well or pump permit, while a landowner may install the landowner's own well or pump without that permit⁶.

Building a home in Saline County: the steps, in order

First, establish whether the homesite is unincorporated or inside a city, because Marshall's codes do not establish the rules for unincorporated Saline County⁹. Second, give the County Commission the parcel and project details and request confirmation of building-permit, inspection, occupancy, floodplain and county-road access requirements². Third, check the mapped flood zone; development in a locally administered special flood hazard area requires a local permit⁷.

Fourth, arrange a soil morphology test and contact the Health Department before designing the footprint if the lot is less than 3 acres⁴. Fifth, confirm a septic permit or valid large-lot exclusion before wastewater work begins¹⁷¹³. Sixth, use the state permit process for a new or modified driveway in MoDOT right-of-way¹¹. Finally, obtain the applicable state well or pump permit if a contractor will install the private-water system⁶.

What should you check before buying land in Saline County?

Put septic suitability, flood exposure, legal access and water supply ahead of the house plan. Only 6.4% of county soils are rated without severe limits for a conventional drain field, while 94.8% of the land has a slope of 15% or less; gentle ground can still have poor septic performance¹⁶¹⁹. Saline County averages about 41 inches of precipitation annually and has experienced severe drought in 8.5% of years, so evaluate both drainage and dependable water supply²⁰²¹.

Ask the Commission whether a county-road entrance needs approval, and use Missouri's permit process if access touches MoDOT right-of-way²¹¹. Check the mapped floodplain before choosing a pad or driveway because development in a locally administered special flood hazard area requires a permit⁷. The typical home value is about $183,945, the effective property-tax rate is about 0.8%, and the median annual property-tax bill is about $1,138²²²³²⁴.

Watch-outs

The official county pages do not expressly confirm residential building-permit, inspection or certificate-of-occupancy rules for unincorporated land; ask the Saline County Commission before starting work¹².
No county rule confirming RV residence, tiny-home occupancy, manufactured-home placement or accessory dwellings was located; ask the Saline County Commission and any municipality with jurisdiction³².
The county septic page describes an application fee, while Missouri says onsite-system application fees were temporarily suspended effective August 28, 2026; confirm the current charge with the Health Department⁴¹⁷.

Sources

Written September 28, 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.

How Saline County scores

Seclusion59100% ev.

Self-Sufficiency58100% ev.

Admin Boringness8790% ev.

Durability52100% ev.

Property Autonomy47100% ev.

Carry Cost76100% ev.

Evidence strength: 98%. This reports direct-source completeness and fallback use; it is separate from the score and is not a confidence interval. How it works →

$184kTypical home

0.8%Property tax

$6,325Land / acre

41"Annual rain

8.5% of yrsSevere drought

15.5 / yr (+12.8)Mid-century 100°F days

17.8 daysMid-century dry spell

2.08" (+7.8%)Mid-century 1-day rain

1.74×Wildfire change factor

100%Forward climate coverage

$1,908Home insurance / yr

3.9% / yrInsurance growth

1.43%Nonrenewal rate

county median (2+ published ZIPs)Insurance basis

15,503People within 30 min

2,759,244People within 2 hr

21,606Radius comparison (15 mi)

30.5People / sq mi

2.1%Federal land

94.8%Land at 15% slope or less

6.4%Septic soil without severe limits

30,651 acWorkable land screen

18%Wooded land

58.2 tonsBiomass / forest ac

54.6°FAvg temp

Answers from the rulebook for Saline County

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

Saline County rules

Who permits septicCounty (with conditions)
Single-home or business onsite wastewater treatment systems on less than 3 acres in Saline County.
- The Saline County Health Department provides approval for new OWTS construction and major modifications when the property has less than 3 acres and is a single home or business.
- A DHSS-certified soil scientist should analyze soil properties.
- Where conventional soil absorption systems and lagoons are not suitable, a registered engineer must design the OWTS.
lot area threshold: < 3 acres (Applies to a single home or business.)
“requires an application fee, construction permit, a soil morphology test and approval from the Saline County Health Department.”
Environmental Health | Saline County Health Department ↗Re-checked Sep 11, 2026
Septic permitRequired
Construction of a new OWTS or a major modification to an existing OWTS for a single home or business on less than 3 acres in Saline County.
- An application fee is required.
- A construction permit is required.
- A soil morphology test is required.
- Approval from the Saline County Health Department is required.
- The permit may be obtained from the Saline County Health Department.
- A DHSS-certified soil scientist should analyze soil properties.
- A registered engineer must design the OWTS where conventional soil absorption systems and lagoons are not suitable.
lot area threshold: < 3 acres (Applies to a single home or business.)
“When there is less than 3 acres and is a single home or business, construction of new OWTS and major modification to existing systems requires an application fee, construction permit, a soil morphology test and approval from the Saline County Health Department.”
Environmental Health | Saline County Health Department ↗Re-checked Sep 11, 2026
Building permitNot required
Saline County lists no building inspection/permit department; Missouri non-charter rural counties generally cannot require residential building permits (permits apply within cities such as Marshall). Corroborated by the state County Building Codes dataset (data.mo.gov iq7s-izvt, 2021): no county residential building code adopted.
Saline County MO - County Government ↗Scouted from the county site, not yet independently re-checked
County-wide zoningAbsent
No county planning or zoning department is listed; Saline County has no countywide zoning for unincorporated areas.
Saline County MO - County Government ↗Scouted from the county site, not yet independently re-checked

Missouri rules that apply here

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
InspectionsLimited
New construction of a one- or two-family residential dwelling in Missouri where a licensed engineer sealed the ultimate submission of plans for the permit.
- The licensed engineer who sealed the ultimate submission of plans for the permit may conduct the footing, foundation, wall, and framing inspections in lieu of inspection by the political subdivision.
- Inspections must follow the procedures established by the political subdivision.
- The engineer or architect must report the work using the political subdivision's uniform inspection forms and submit those forms to the political subdivision.
- This statewide rule does not establish whether Saline County itself requires building inspections in cases outside this waiver.
“In lieu of a political subdivision conducting building permit inspections of the new construction of a one- or two-family residential dwelling, the licensed engineer who sealed the ultimate submission of plans for the permit shall be allowed to conduct the footing, foundation, wall, and framing inspections in accordance with the procedures for such inspections established by the political subdivision. Such licensed engineer or architect shall report on such work by using the uniform inspection forms used by the political subdivision and shall submit such forms to the political subdivision.”
RSMo Section 67.490 ↗Re-checked Sep 11, 2026
Minimum lot sizeNone (with conditions)
Minimum lot size for onsite wastewater treatment systems where Missouri state onsite laws apply in Saline County.
- This is an onsite-wastewater rule, not a general county land-use minimum lot size.
- Counties with a wastewater ordinance may have restrictions.
- Some subdivisions may have a minimum approved lot size for onsite systems.
- DNR provides written approval of the method of wastewater treatment for some subdivisions.
- Typically lagoons require more land due to greater setback requirements.
“Where the state onsite laws apply, it does not set a minimum lot size. Counties with a wastewater ordinance, may have restrictions. Additionally, some subdivisions may have a minimum approved lot size for onsite systems.”
Frequently Asked Questions ↗Re-checked Sep 27, 2026
Septic inspectionLimited
On-site sewage disposal systems constructed, modified, or repaired in Saline County when notice is given under Missouri Revised Statutes §§ 701.046–701.048 and 701.050.
- The inspection percentages apply in the aggregate, not to every individual system.
- For systems handled by contractors registered under §§ 701.053–701.055, the city, county, or department inspects up to 60 percent in the aggregate.
- For systems handled by persons not registered under §§ 701.053–701.055, the city, county, or department inspects at least 75 percent in the aggregate.
- A registered contractor not required to provide a performance bond under § 701.052 may provide certification that the system is properly designed and installed, modified, or repaired, and the authority may accept that certification without an on-site inspection.
- The statute states that the state standard was effective August 28, 1994.
aggregate inspection percentage for registered contractors: <= 60 percent · aggregate inspection percentage for unregistered persons: >= 75 percent
“A city, county or the department shall inspect, in the aggregate, up to sixty percent of on-site sewage disposal systems constructed, modified or repaired by contractors registered under sections 701.053 to 701.055 and at least seventy-five percent of on-site sewage disposal systems constructed, modified or repaired by persons not registered under sections 701.053 to 701.055 for which notice of construction, repair or modification is given under sections 701.046 to 701.048 and 701.050.”
Missouri Revised Statutes § 701.043 — State standards, content ↗Re-checked Sep 27, 2026
One more reviewed finding on this topic
- 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
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.”
Frequently Asked Questions ↗Re-checked Sep 11, 2026
One more reviewed finding on this topic
- Limited — Off-grid domestic sewage disposal in Saline County using an onsite sewage disposal system rather than a public sewer.
  “Missouri State law RSMo701.025 701.059prohibits discharge of sewage onto the ground surface, into waterways, lakes or ponds (other than lagoons) or off the property that it serves.”
  RSMo Section 701.031 — Disposal of sewage, who, how, exception ↗Re-checked Sep 11, 2026
Well permitRequired
Construction or repair of water wells, and associated pump, plumbing, and electrical installation activities, in Saline County under Missouri statewide well-construction rules.
- A non-restricted water-well installation permit is required to construct or repair a water well.
- A non-restricted pump-installation permit is required to install or replace a pump and to install or repair plumbing and electrical lines from the well to the point of entry in the structure.
- A restricted water-well or pump-installation permit is required for a person who contracts these activities or directs the installation.
- A landowner may install the landowner's own well or pump without a permit under the cited law and rules.
- Public water systems must receive written approval from the Department of Natural Resources Public Drinking Water Branch before constructing or altering a public well, unless the system meets the charitable-and-benevolent-organization exemptions in RSMo § 640.116.
- Anyone proposing to install a public well must contact the department's regional office for a well-site survey.
- The public-water-system threshold is at least 15 service connections or regularly serving an average of at least 25 individuals daily at least 60 days per calendar year.
public water system service connections threshold: >= 15 service connections (Alternatively, the system may regularly serve an average of at least 25 individuals daily at least 60 days per calendar year.) · public water system persons-served threshold: >= 25 individuals daily (Must be served at least 60 days per calendar year.)
“A non-restricted water well installation permit is required to construct or repair a water well in Missouri. A non-restricted pump installation permit is required to install or replace a pump in a water well. A non-restricted pump installation permit is also needed to install or repair the plumbing and electrical lines from the well to the point of entry in the structure.”
Water Wells — PUB2945 ↗Re-checked Sep 27, 2026
Mandatory utility hookupConditional
Buildings where people live, work, or assemble in Saline County.
- Domestic sewage must be discharged into a sewer system regulated under chapter 644 or into an onsite sewage disposal system operated under Missouri rules.
- A single-family residence lot of 3 acres or more may be excluded from sections 701.025 to 701.059 and related rules when all points of the system are more than 10 feet from adjoining property lines, no effluent enters adjoining property, no surface water or groundwater is contaminated, and no nuisance is created.
- A residential lot of 10 acres or more with no single-family residence OWTS within 360 feet of another OWTS and no more than one single-family residence per 10 acres may also qualify, except lots adjacent to Corps of Engineers or public-utility lakes.
large-lot setback from adjoining property line: > 10 feet (All points of the system must exceed this distance.) · separation from another OWTS: > 360 feet (For the specified 10-acre residential-lot exclusion.)
“Property owners of all buildings where people live, work or assemble shall provide for the sanitary disposal of all domestic sewage.”
RSMo Section 701.031 — Disposal of sewage, who, how, exception ↗Re-checked Sep 11, 2026
Agricultural exemptionAvailable (with conditions)
Erection, maintenance, repair, alteration, or extension of farm buildings or farm structures as against county fire-protection or fire-prevention ordinances.
- The exemption applies to fire protection or fire prevention ordinances adopted by counties in Missouri.
- The statutory text addresses farm buildings and farm structures; it does not establish a general exemption from every zoning, building-code, floodplain, septic, or other land-use requirement.
- Effective August 28, 2025.
effective date: 2025-08-28
“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
One more reviewed finding on this topic
- Available — Farm buildings and farm structures in Saline County, 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 ↗Re-checked Sep 27, 2026
Subdividing landRegulated (with conditions)
New subdivisions and expansions in Saline County using individual single-family onsite wastewater systems.
- Missouri Department of Natural Resources approval is required before applicable development proceeds.
- The threshold is seven or more lots, with each lot less than five acres.
- An expansion of an existing subdivision by three or more lots also requires approval when each added lot is less than five acres.
- The Saline County Health Department states that approval is required before home construction or sale of any lots for developments consisting of seven or more lots less than five acres.
- This claim addresses wastewater-treatment approval and does not establish separate Saline County or municipal plat-approval requirements.
new subdivision lot count: >= 7 lots (each lot must be less than five acres and use an individual single-family onsite wastewater system) · lot size: < 5 acres (applies to each lot) · existing subdivision expansion: >= 3 lots (each added lot must be less than five acres)
“Developments must receive approval from the department if the proposal has seven or more lots where each of those lots are less than five acres in size and use individual single-family on-site wastewater systems. The department must also approve any expansion of an existing subdivision by three or more lots, where each of those lots is less than five acres in size.”
No-Discharge Wastewater Treatment ↗Re-checked Sep 27, 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 floodplainRequired
Development in a community-administered floodplain or Special Flood Hazard Area under Missouri floodplain-management guidance.
- Some type of permit must be issued for all development in the floodplain.
- The local floodplain administrator approves or denies the permit.
- The cited state guidance describes the FEMA-mapped 1% annual-chance floodplain as the area requiring local permit approval.
- Development includes man-made changes such as buildings, structures, mining, dredging, filling, grading, paving, excavation, drilling, or storage of equipment or materials.
- An Engineering No-Rise Certificate is required for all proposed development in a regulatory floodway and must be obtained before the floodplain development permit may be issued.
- The No-Rise Certificate must be signed and sealed by a registered Missouri Professional Engineer and demonstrate no increase in flood levels during the base-flood discharge.
- Where development is outside the Special Flood Hazard Area as determined using the community's own FEMA-published FIRM or FBFW map, the SEMA flow chart states that no floodplain development permit is required.
- Local floodplain ordinances may impose additional or more stringent requirements.
floodway no-rise condition: 0 increase in flood levels during base-flood discharge (Applies to proposed development in the regulatory floodway) · Zone A rise threshold: <= 1 foot (SEMA flow chart states the professional-engineer documentation must show the development will not cause more than a 1-foot rise in published water-surface elevations for numbered Zone A areas without calculated regulatory floodways)
“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. An Engineering “No-Rise” Certificate is required for all proposed development in the regulatory floodway, and must be obtained by the community before the floodplain development permit may be issued.”
Floodplain Forms ↗Re-checked Sep 27, 2026
One more reviewed finding on this topic
- Limited — Projects including mining, dredging, building construction, and other dirt-moving activities in designated flood hazard areas within participating Missouri jurisdictions.
  “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
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
One more reviewed finding on this topic
- Published (with conditions) — Missouri land-disturbance stormwater permits applicable to qualifying construction activity in Saline County.
  “1 - < 5 acres | $500 [...] 500 acres + | $5,000”
  Construction Land Disturbance Permits ↗Re-checked Sep 11, 2026
Permit processPartial
Missouri onsite wastewater treatment system construction and repair permitting, including work in Saline County when the applicable permitting authority is the Missouri Department of Health and Senior Services or another authority operating under the state process.
- 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 where the work occurs.
- DHSS states that permitting may be administered by the DHSS Onsite Program, a local authority under contract, or a local authority via ordinance; the application process varies by authority.
- Work should not begin until a permit has been issued or an exemption has been confirmed by the appropriate permitting authority.
- Effective August 28, 2026, application fees for onsite sewage disposal system construction, modifications, and repairs were temporarily suspended due to changes to RSMo 701.046.
- Lagoons serving anything other than a single-family residence fall under Missouri Department of Natural Resources jurisdiction.
application fee suspension effective date: 2026-08-28 (Temporary suspension stated by DHSS due to changes to RSMo 701.046)
“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. The first step of the permitting process is to determine the agency that has permitting authority where the work is being done.”
OWTS Construction Permit Process ↗Re-checked Sep 27, 2026
One more reviewed finding 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
county zoning authorityGeneral
Missouri counties adopting zoning regulations for unincorporated territory.
- First-class charter counties are empowered under RSMo § 64.090; that section excludes first-class counties without a charter form of government.
- A first-class noncharter county or a county of the second, third, or fourth class may establish county zoning under RSMo §§ 64.845 to 64.880 only after the zoning question is submitted to county voters and a majority of votes cast favors county zoning.
- The authority applies to unincorporated portions or territory and does not apply to incorporated portions under § 64.090.
- Section 64.090 excludes specified agricultural activities and certain farm structures, underground mining, and protects existing lawful uses subject to gradual elimination of nonconforming uses.
“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
county building authorityLimited
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.
- RSMo § 64.170 grants the authority to counties of the first and second classification only.
- The authority is subject to subsections 2 and 3.
- A county that had not adopted a building code before August 28, 2001, under §§ 64.170 to 64.200, lacks authority to adopt one under those sections unless voters approve it.
- The building-code authority vote is limited to voters in the affected area; a code affecting a county may not be voted on by citizens of incorporated territory.
- The statute authorizes building regulations, building permits, inspections, licensing rules, and permit, license, and inspection fees.
“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

Inside cities and towns in Saline County

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

Building code adoptedAdopted (with conditions)
Construction subject to the City of Marshall's building-code jurisdiction.
- The City of Marshall page directs applicants to comply with the City's current codes before submitting permits.
- This municipal adoption does not establish adoption by Saline County for unincorporated areas or by other municipalities.
“Before submitting permits please ensure that your proposed construction project is in compliance with the City of Marshall’s current codes. A list of our currently adopted codes can be found below.”
City Inspection Department | City of Marshall ↗Re-checked Sep 27, 2026

Still unanswered

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

Owner-builder exemption — Owner-builder exemptions from residential construction permitting or inspection requirements in Saline County, including unincorporated areas.
Certificate of occupancy — Certificates of occupancy for residential buildings in Saline County, including unincorporated areas.
Local zoning — Whether local zoning exists anywhere in Saline County, including incorporated municipalities and unincorporated areas.
Zoning districts — Published zoning districts, zoning maps, or district regulations for Saline County, Missouri.
Minimum dwelling size — Minimum dwelling size in unincorporated Saline County.

9 more unanswered

Setbacks
Lot coverage
Building height
Living in an RV
Camping on your land
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 Saline County, Missouri

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

Saline County scores 72/100 on the Bolthole Index, a strong county profile. Its strengths: low administrative friction for a quiet rural property and manageable long-term carry cost.

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

Saline County does not require a county building permit for a home in unincorporated areas, and it has no county-wide zoning. Onsite septic is permitted by Missouri Department of Health and Senior Services (DHSS) - Onsite Wastewater Treatment Program. These answers are quoted from official sources and independently re-checked. Rules change and cities within the county differ — always confirm with the county before you buy or build.

How much does land cost in Saline County, Missouri?

Land in Saline County runs about $6,325 per acre, based on the latest county data.

What is the water situation in Saline County?

Saline County gets about 41" of rain a year, with severe drought in roughly 8.5% of years.

How remote is Saline County?

A representative private-land location has about 15,503 people within a 30-minute drive and 2,759,244 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 Saline County, Missouri

At a glance

Who to call

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

Who handles building and zoning questions in Saline County?

Does Saline County have zoning?

How do septic permits work in Saline County?

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

Building a home in Saline County: the steps, in order

What should you check before buying land in Saline County?

Watch-outs

Sources

Saline County in Missouri

How Saline County scores

Find land. Bring the promising ones back.

Parcel due diligence

Answers from the rulebook for Saline County

Saline County rules

Missouri rules that apply here

Inside cities and towns in Saline County

Still unanswered

Living off-grid in Saline County, Missouri

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

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

How much does land cost in Saline County, Missouri?

What is the water situation in Saline County?

How remote is Saline County?

How Saline compares in Missouri