Bolthole Index

Bates County, Missouri

Building permits, zoning and land rules in Osage Township, Missouri

For unincorporated land in Osage Township, Bates County, Missouri, the county does not require a residential building permit and does not apply county zoning.12 We could not confirm whether Osage Township has adopted separate building or zoning rules. Bates County Health Center handles onsite sewage permits.3

At a glance

Building permit
No county residential building permit; an Osage Township requirement was not confirmed1
Zoning
No county zoning; no Osage Township ordinance or no-zoning statement was confirmed2
Septic permit
Bates County Health Center handles onsite sewage; permits apply to most installations and repairs34
RV or tiny home
Occupancy and siting rules were not confirmed; ask Osage Township before relying on either as a dwelling5
Private well
Contractor work requires Missouri permits; a landowner may install their own well or pump without one6
Floodplain
Development in a mapped Special Flood Hazard Area requires a floodplain development permit7

Who to call

Septic permits

Bates County Health Center - Environmental Health

Onsite sewage permits and inspections in Bates County through the Environmental Public Health Specialist

660-679-6108

P.O. Box 178, 501 N. Orange, Butler, MO 64730

Floodplain permits

Bates County Surveyor's Office

Floodplain management, county road engineering and surveys in Bates County

(660) 386-7776 Opt 6

103 West Dakota St Rm 6, Butler, MO 64730

Roads & driveways

Osage Township

Grading, gravel and maintenance of Osage Township roads

Contact details are copied from each office’s official page and were checked against it on October 9, 2026.

Off-grid gear

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

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Do you need a building permit in Osage Township, Missouri?

Bates County does not require a residential building permit for unincorporated land.1 We could not confirm a separate Osage Township building-code adoption, building-permit requirement, inspection program or certificate-of-occupancy rule. Ask Osage Township and the Bates County Commission to confirm the parcel's jurisdiction before construction.

Missouri uses local building-code adoption rather than one uniformly adopted statewide building code.8 A county residential building-permit answer does not remove separate septic, floodplain, driveway or well requirements. Bates County Health Center administers onsite sewage locally, and development in a mapped county floodplain requires a floodplain development permit.37

Does Osage Township have zoning?

Bates County does not apply county zoning to unincorporated land, but we could not confirm an Osage Township zoning ordinance or an official statement that the township has no zoning.2 Ask the township for a written answer tied to the parcel before relying on a proposed house, RV, tiny home, manufactured home, accessory dwelling or short-term rental use.

We also could not confirm Osage Township standards for setbacks, minimum lot size, minimum dwelling size, building height or lot coverage. Missouri law allows qualifying counties to zone unincorporated territory after voter approval, but that authority does not establish a zoning district here.9 Missouri's farm-structure exemption from county fire-protection ordinances is not a blanket exemption from septic, floodplain or other land rules.10

How do septic permits work inside Osage Township?

The Bates County Health Center's Environmental Public Health Specialist handles onsite sewage permits in Osage Township.3 Bates County requires a permit for a single-family home on a parcel under 3 acres and for the other new systems, major modifications and repairs listed in its rules.11 A qualifying single-family residence on more than 3 acres does not need the county permit, but its system must still meet county standards.11

The application requires a site drawing and certified percolation test or soil morphology, and construction begins only after the specialist issues the green construction permit.11 Arrange inspection and approval before covering a new or replaced system.12 Countywide soil mapping rates 0% of Bates County soils as free from severe limitations for a conventional drain field, so make the soil evaluation an early purchase contingency.13

Can you live in an RV or tiny home in Osage Township?

We could not confirm an Osage Township rule allowing or prohibiting long-term RV living, temporary camping, tiny-home occupancy, manufactured-home occupancy or accessory dwellings. Ask the township for the rule applying to the specific parcel and proposed use before buying or moving a unit. The absence of a published zoning rule is not permission.

Off-grid living does not remove wastewater requirements. Missouri regulates covered domestic wastewater systems below 3,000 gallons per day when they use an approved soil-absorption system, holding tank or single-family lagoon, and Bates County may impose additional requirements.5 A campground or mobile-home park planning onsite wastewater needs Missouri Department of Natural Resources approval.14

Building a home in Osage Township: what are the steps?

  1. Ask Osage Township and the Bates County Commission to confirm the parcel is unincorporated and identify any township building or zoning action; no Osage-specific adoption could be confirmed.
  1. Identify the road owner. Osage Township grades, gravels and maintains township roads, while work in MoDOT right-of-way follows the state permit process.1516
  1. Ask the Bates County Surveyor's Office about floodplain status; the office is the county's Flood Plain Manager.17 Obtain a floodplain development permit before work in a mapped Special Flood Hazard Area.7
  1. Contact Bates County Health Center before fixing the house location, complete the soil work and obtain the required septic approval or confirmation of an exception.1811
  1. Use a properly permitted well contractor, or confirm that a landowner's own installation meets Missouri's exception and construction rules.6

What should you check before buying land in Osage Township?

Get written confirmation of Osage Township building-permit jurisdiction, zoning, setbacks, allowed dwelling types, subdivision rules and RV occupancy before closing; those place-specific answers could not be confirmed. Verify that the legal parcel is outside any incorporated municipality before relying on township or county guidance.

Make septic feasibility a contract contingency. Countywide soil mapping rates 0% of Bates County soils as free from severe limitations for a conventional drain field, and the local permit process requires soil or percolation information.1311 Confirm legal access and road ownership; a driveway within MoDOT right-of-way needs a state permit.16 Check floodplain status with the Bates County Surveyor's Office.17 Bates County's effective property-tax rate is about 0.6%, and the median annual property-tax bill is about $962.1920

Watch-outs

  • Do not treat the lack of a published Osage Township zoning page as permission for every use; ask the township for a parcel-specific written answer.2
  • A qualifying single-family tract over 3 acres may avoid the county septic permit, but the system must still meet Bates County standards.11
  • Do not cover a new or replaced septic system before the Environmental Public Health Specialist inspects and approves it.12
  • Development in a regulatory floodway needs an engineering No-Rise Certificate before the floodplain development permit can be issued.7

Sources

  1. Bates County Courthouse - Official County Website (department directory) (2026 county census)
  2. Bates County Courthouse - Official County Website (department directory) (2026 county census)
  3. Environmental Health (Osage Township), quoted and re-checked
  4. OWTS Construction Permit Process (Osage Township), quoted and re-checked
  5. What You Should Know Before You Build (Osage Township), quoted and re-checked
  6. Water Wells - PUB2945 (Osage Township), quoted and re-checked
  7. Bates County Surveyor’s Office – Bates County Courthouse, quoted and re-checked
  8. RSMo Section 64.170 (Missouri statewide rule), quoted and re-checked
  9. RSMo § 64.090 — Planning and zoning powers of county commission (Missouri statewide rule), quoted and re-checked
  10. RSMo Section 64.003 — Farm buildings and farm structures (Missouri statewide rule), quoted and re-checked
  11. BATES COUNTY ON-SITE SEWAGE RULES AND REGULATIONS, quoted and re-checked
  12. Bates County On-Site Sewage Rules and Regulations, quoted and re-checked
  13. Share of soils USDA rates "not limited" for a conventional septic drain field (SSURGO). A strict rating: the median county is about 6% and a tenth of counties are 0%, so a low figure means most lots need a site evaluation or an engineered system, not that septic is impossible. Cite it only with that caveat: Bolthole Index county data
  14. OWTS Construction Permit Process (Missouri statewide rule), quoted and re-checked
  15. Osage Township (batescounty.net)
  16. Permits – Missouri Department of Transportation, quoted and re-checked
  17. Bates County Surveyor's Office (batescounty.net)
  18. Bates County Health Center - Environmental Health (batescountyhealthcenter.org)
  19. Effective property tax rate: Bolthole Index county data
  20. Median property tax bill: Bolthole Index county data

Written October 9, 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.

Answers from the rulebook for Osage Township

Osage Township’s own rules

  • Who permits septicCounty

    Onsite wastewater permitting inside Osage township is administered through the Bates County Health Center under Bates County authority.

    • The Missouri DHSS page identifies Bates County Health Center as the agency for Bates County.
    • The page states that Bates County has its own onsite wastewater ordinance and may impose requirements beyond state minimum standards.
    “Agency: Bates County Health Center Authority Type: Ordinance County: Bates”
  • Septic permitRequired

    Installing or repairing most onsite wastewater treatment systems inside Osage township.

    • Some single-family residential lots may be exempt from permitting.
    • Bates County has an onsite wastewater ordinance that may add requirements beyond state minimum standards.
    • Effective August 28, 2026, application fees for onsite sewage disposal system construction, modifications, and repairs were temporarily suspended under the cited DHSS update.
    • Work should not begin until a permit is issued or an exemption is confirmed.
    “A construction permit is required before installing or repairing most onsite wastewater treatment systems (OWTS).”
  • Septic inspectionLimited

    Onsite sewage-system inspections associated with property sales inside Osage township.

    • The official state resource describes inspections at the time of property sales; it does not establish a general inspection requirement for every existing system.
    • Bates County's local ordinance may impose additional requirements.
    “system inspections at the time of property sales”

Rules another office applies inside Osage Township

Osage Township does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.

  • Off-grid sanitationLimited

    Off-grid domestic wastewater treatment inside Osage township where central sewer service is unavailable.

    • Missouri DHSS regulates covered domestic wastewater systems with design capacity below 3,000 gallons per day when discharged to an approved soil absorption system, holding tank, or single-family-residence lagoon.
    • An applicable onsite wastewater permit or confirmed exemption is required before work begins.
    • Bates County has an onsite wastewater ordinance that may impose additional requirements.

    domestic wastewater design capacity: < 3000 gallons per day (Higher-capacity, surface-discharge, and certain non-domestic systems are regulated by DNR.)

    “The Department of Health and Senior Services regulates domestic waste water systems with a design capacity of less than 3,000 gallons per day”
  • Well permitLimited

    Water-well construction or repair inside Osage township.

    • 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 and for specified plumbing and electrical work.
    • A restricted permit is required when someone contracts or directs the installation.
    • Landowners may install their own well or pump without a permit pursuant to the cited law and rules.
    • Construction requirements vary by well category and location.
    “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. A restricted water well or pump installation permit is required for someone to contract these activities or to direct the installation. Landowners may install their own well or pump without a permit pursuant to the above mentioned law and rules.”
    One more reviewed finding on this topic
    • Limited — Water-well construction, repair, and pump installation inside Osage township.
      “A non-restricted water well installation permit is required [...] Landowners may install their own well or pump without a permit”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Osage Township or Bates County directly.

  • Building permit — Building permits for construction inside Osage township.
  • Owner-builder exemption — Owner-builder exemptions for construction inside Osage township.
  • Building code adopted — Building-code adoption for land inside Osage township.
  • Inspections — Building inspections for construction inside Osage township.
  • Certificate of occupancy — Certificates of occupancy for buildings inside Osage township.
20 more unanswered
  • Local zoning
  • Zoning districts
  • Minimum dwelling size
  • Minimum lot size
  • Setbacks
  • Lot coverage
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Mandatory utility hookup
  • Agricultural exemption
  • Subdividing land
  • Driveway access
  • Building in a floodplain
  • Short-term rentals
  • Permit fees
  • Permit process

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.

Unanswered questions are usually a sign that Osage Township publishes no rule on the point, not that none exists. Bates County’s page lists the county offices to call.

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