Bolthole Index

Decatur County, Kansas

Building permits, zoning and land rules in Decatur County, Kansas

46Index Score / 100
#61 of 105 in Kansas

A building-permit requirement for ordinary private construction in Decatur County, Kansas could not be confirmed; the statewide permit applies only to State of Kansas-owned property.1 Decatur County administers a sanitary code for onsite wastewater, so contact the Local Environmental Protection Program before designing or installing septic.2

At a glance

Building permit
Not confirmed for ordinary private construction; ask the County Clerk before work starts13
Zoning
County zoning status is not confirmed; request the current resolution and map from the County Clerk453
Septic
County-administered under the Decatur County sanitary code2
RV living
No Decatur County occupancy rule was confirmed; ask the County Clerk and septic program4236
Tiny home
Occupancy and minimum dwelling size are unconfirmed; qualifying new small homes have statewide lot and setback protections478
Small-home lot
A qualifying new single-family home under 2,500 square feet may use a lot as small as 3,000 square feet, subject to reasonable setbacks78
Owner-builder
Kansas has a roofing-only owner exemption; no broader Decatur County exemption was confirmed9
State-highway driveway
A permit is required to construct or alter access onto the state highway system10

Who to call

Septic permits

Decatur County Local Environmental Protection Program

Decatur County Local Environmental Protection Program contact

785-475-8102

120 E Hall Street, Oberlin, KS 67749

Health department

Decatur County Health Department

County health department contact

785-475-8118

decaturhealthdept@dccoks.org

P.O. Box 28, 902 W. Columbia Street, Oberlin, KS 67749

Also useful

Decatur County Clerk

County commissioners' official records and general county-office routing

785-475-8102

dzodrow@dccoks.org

2nd Floor, Decatur County Courthouse, P.O. Box 28, 120 E. Hall Street, Oberlin, KS 67749

Contact details are copied from each office’s official page and were checked against it on October 7, 2026.

Off-grid gear

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

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Do you need a building permit in Decatur County, Kansas?

Decatur County has not confirmed a building-permit requirement for an ordinary privately owned house, addition, barn or renovation. The identified statewide permit is limited to construction and covered alterations on State of Kansas-owned property, so it should not be treated as a county permit rule for private rural land.1

Kansas law allows counties to adopt and enforce building codes in unincorporated territory, but that authority does not prove Decatur County adopted one.11 Local jurisdictions retain responsibility for adopting and enforcing building energy codes; the Kansas energy standard identified for new commercial and industrial structures does not establish a Decatur County residential building code.12 Before excavation, concrete, utility work or ordering a structure, ask the Decatur County Clerk for the current building-code resolution, the territory it covers and the office that accepts any application. The clerk keeps the county commissioners' official records and can be reached at the courthouse.3

Who handles building and land permits in Decatur County?

No dedicated Decatur County building department or published private-project permit portal could be confirmed. Start with the Decatur County Clerk, whose office keeps the county commissioners' official records, and ask for any current building-code, zoning, subdivision and floodplain resolutions that apply to the parcel.3

Kansas now provides approval deadlines for complete applications for qualifying by-right housing developments, but those deadlines apply only when a project meets the statutory criteria and applicable local zoning and land-use rules; they do not establish that Decatur County requires a permit.13 Kansas also allows an eligible political subdivision to elect a third-party inspection procedure when a required residential inspection is not performed within the statutory period, but we could not confirm that Decatur County elected into that procedure or requires those inspections.14

Does Decatur County, Kansas have zoning?

Decatur County's zoning status for unincorporated land could not be confirmed, so do not market or buy a parcel as “unrestricted” without a current county resolution and map.4 Kansas authorizes counties to zone all or part of their unincorporated territory, while incorporated municipalities exercise separate jurisdiction.15

Where local zoning has been adopted, the applicable district may control building height, lot coverage, yards, setbacks, land use and minimum lot dimensions.5 One statewide protection now applies to a new single-family residence under 2,500 square feet of livable floor area, excluding garages and basements, when it stands on its own separately described lot: political subdivisions must allow a residential lot as small as 3,000 square feet.7 Setbacks for that qualifying home must be reasonable, avoid unwarranted hardship and protect public welfare and safety.8 Other parcels still depend on applicable local district rules.1617 Agricultural land and buildings used only for agricultural purposes are exempt from zoning adopted under the Kansas planning and zoning act, but the exemption does not displace designated-floodplain rules.18 Ask the County Clerk for the official map and resolution, then separately check municipal rules if the land is inside a city.3

How do septic permits work in Decatur County?

Decatur County administers onsite wastewater through its Local Environmental Protection Program and county sanitary code.2 Kansas minimum standards apply to septic tanks, soil-absorption fields, lagoons and approved alternative systems, while the county code may set stricter design, plan-approval, permit and variance requirements.19

The available official material does not confirm Decatur County's exact application, inspection sequence or current fee, so call the county program before hiring an installer or fixing the building site.6 Private onsite sewerage is available only when public sewers are unavailable and applicable local requirements are met.20 Cesspools, seepage pits and dry wells are not permitted, and a private onsite wastewater system may not discharge at the surface.21 About 51.3% of county soils avoid a “very limited” rating for a conventional drain field, making parcel-specific soil evaluation important.22

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

We could not confirm a Decatur County rule for long-term RV occupancy, temporary camping, tiny-home occupancy or minimum dwelling size. Because county zoning status is also unconfirmed, do not assume an RV or tiny home may be occupied year-round.4

A new single-family tiny home can receive Kansas's small-home lot and setback protections if it is under 2,500 square feet of livable floor area, excluding garages and basements, and occupies its own separately described lot.7 The law requires political subdivisions to allow a lot as small as 3,000 square feet for that qualifying home, subject to reasonable setbacks, but it does not answer whether the home may be occupied on a particular parcel.78 Ask the County Clerk for the parcel rules.3 Ask the Decatur County Local Environmental Protection Program how wastewater must be handled before connecting plumbing or occupying the site.6 Kansas requires domestic wastewater to go to an approved onsite system or permitted treatment plant and prohibits surface discharge, cesspools, seepage pits and dry wells.21

Building a home in Decatur County: what are the steps?

  1. Identify whether the parcel is unincorporated or inside a city, because Kansas counties and municipalities may exercise separate zoning authority.15
  2. Ask the Decatur County Clerk for current building-code, zoning, subdivision and floodplain resolutions and the correct issuing office for each applicable approval.3
  3. Contact the Decatur County Local Environmental Protection Program before fixing the house and wastewater locations; the county administers its sanitary code.26
  4. Confirm whether public sewer is available before planning a private onsite system.20
  5. Check the access jurisdiction; construction or alteration of access onto the state highway system requires a state permit.10
  6. If the site lies in a regulated flood hazard area, obtain the locally required floodplain determination and permit before development.23

What should you check before buying land in Decatur County?

Verify jurisdiction, legal access, wastewater feasibility, water supply and flood status before closing. Decatur County has about 3 residents per square mile, and the nearest city of at least 100,000 people is about 212 miles from the county center, so contractor travel and service logistics deserve early attention.2425

For septic, obtain a parcel-specific soil evaluation rather than assuming the acreage will support a conventional field; about 51.3% of county soils avoid the USDA's most severe limitation rating for conventional drain fields.22 Annual precipitation is about 21.8 inches, and severe drought has occurred in about 26.8% of years, making well yield and backup-water planning material due-diligence questions.2627 Kansas requires well logs statewide, but Decatur County's local well-permit requirement was not confirmed.28 Also request the current tax parcel record; the median annual property-tax bill is about $1,408.29

Watch-outs

  • The identified statewide building-permit requirement applies to State of Kansas-owned property, not automatically to a privately owned rural home.1
  • Decatur County zoning, RV occupancy and minimum dwelling size remain unconfirmed; qualifying new single-family homes under 2,500 square feet have statewide protections for 3,000-square-foot lots and reasonable setbacks.4783
  • A state-highway entrance needs a Kansas highway permit even though the county rule for driveways onto local roads was not confirmed.10
  • Kansas's agricultural zoning exemption applies only to land and buildings used for agricultural purposes and does not override designated-floodplain rules.18

Sources

  1. Building Design and Construction Manual, Part A, Chapter 5 – Code and Occupancy Requirements (2026 county census)
  2. KDHE County Environmental/Sanitary Codes (2026 county census)
  3. Decatur County Clerk (dccoks.org)
  4. (2026 county census)
  5. 2026 Kansas Statutes, K.S.A. 12-753: Zoning regulations; districts; restrictions (Kansas statewide rule), quoted and re-checked
  6. Decatur County Local Environmental Protection Program (kdhe.ks.gov)
  7. sos.ks.gov, quoted and re-checked
  8. sos.ks.gov, quoted and re-checked
  9. K.S.A. 50-6,129. Exemptions (Kansas statewide rule), quoted and re-checked
  10. Kansas Administrative Regulations, Volume 3 (Kansas statewide rule), quoted and re-checked
  11. K.S.A. 12-3303 — County adoption by reference of codes (Kansas statewide rule), quoted and re-checked
  12. Kansas Building Energy Codes, quoted and re-checked
  13. 2026 Session Laws of Kansas, Chapter 76, Senate Bill 418, quoted and re-checked
  14. Senate Bill 418 — Enrolled, quoted and re-checked
  15. K.S.A. 19-2960 — Urban areas; zoning regulations (Kansas statewide rule), quoted and re-checked
  16. K.S.A. 12-753 — Zoning regulations; districts; restrictions (Kansas statewide rule), quoted and re-checked
  17. K.S.A. 12-753 — Zoning regulations; districts; restrictions (Kansas statewide rule), quoted and re-checked
  18. 2026 Session Laws of Kansas, Chapter 76, Senate Bill 418, quoted and re-checked
  19. MF2214 Minimum Standards for Design and Construction of Onsite Wastewater Systems (Kansas statewide rule), quoted and re-checked
  20. MF2214 Minimum Standards for Design and Construction of Onsite Wastewater Systems (Kansas statewide rule), quoted and re-checked
  21. MF2214 Minimum Standards for Design and Construction of Onsite Wastewater Systems (Kansas statewide rule), quoted and re-checked
  22. 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
  23. Model Floodplain Management Ordinance (Kansas statewide rule), quoted and re-checked
  24. Population density: Bolthole Index county data
  25. Straight-line distance from the county center to the nearest city of 100,000+ people: Bolthole Index county data
  26. Annual precipitation: Bolthole Index county data
  27. Share of years in severe drought: Bolthole Index county data
  28. Water Well County Permits (Kansas statewide rule), quoted and re-checked
  29. Median property tax bill: Bolthole Index county data

Written October 7, 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.

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Compared with neighboring counties

Unlike 5 of its 6 neighbors, Decatur County requires a building permit for a home.

RuleDecatur CountyNorton CountySheridan CountyRawlins CountyGraham CountyThomas CountyPhillips County
Building permitRequiredNot requiredNot requiredNot requiredRequiredNot requiredNot required
County zoningNot publishedNoNoNoNoNoNo
Septic permitsDecatur CountyNorton CountySheridan CountyRawlins CountyCounty LEPPCounty Health Dept.Phillips County

County locator

Decatur County in Kansas

46
County map
Decatur County highlighted among the Kansas counties · colored by Index score

How Decatur County scores

Seclusion86100% ev.
Self-Sufficiency2198% ev.
Admin Boringness6035% ev.
Durability34100% ev.
Property Autonomy47100% ev.
Carry Cost7496% ev.

Evidence strength: 88%. This reports direct-source completeness and fallback use; it is separate from the score and is not a confidence interval. How it works →

$112kTypical home
1.8%Property tax
$1,805Land / acre
21.8"Annual rain
26.8% of yrsSevere drought
28.3 / yr (+18.4)Mid-century 100°F days
25.7 daysMid-century dry spell
1.47" (+3.7%)Mid-century 1-day rain
1.43×Wildfire change factor
100%Forward climate coverage
$2,049Home insurance / yr
-1% / yrInsurance growth
2.24%Nonrenewal rate
single ZIP shrunk to state medianInsurance basis
1,713People within 30 min
121,054People within 2 hr
2,561Radius comparison (15 mi)
3People / sq mi
0%Federal land
97.6%Land at 15% slope or less
51.3%Soils rated "not limited" for septic (strict USDA rating)
293,399 acWorkable land screen
0.8%Wooded land
24.1 tonsBiomass / forest ac
52.4°FAvg temp

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Cities and towns in Decatur County

Inside a city, town or township here, that government usually sets zoning and may issue its own building permits; the county’s rules above cover land outside them.

Allison Township · Altory Township · Bassettville Township · Beaver Township · Center Township · Cook Township · Custer Township · Dresden · Dresden Township · Finley Township · Garfield Township · Grant Township · Harlan Township · Jennings · Jennings Township · Liberty Township · Lincoln Township · Logan Township · Lyon Township · Norcatur · Oberlin · Oberlin Township · Olive Township · Pleasant Valley Township · Prairie Dog Township · Roosevelt Township · Sappa Township · Sherman Township · Summit Township

Answers from the rulebook for Decatur County

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

Kansas rules that apply here

  • Building permitRequired

    Construction, additions, and covered renovations or occupancy changes on State of Kansas-owned property administered through the Department of Administration's Design, Construction & Compliance process.

    • The code footprint is required for all new construction, additions, and building renovation/remodeling affecting active or passive life-safety systems or changing occupancy on State property.
    • A permit to build is issued as Form 125 Project Acceptance after applicable code footprints and temporary egress plans are accepted by DCC/OSFM and construction documents are accepted by DCC.
    • The source states that projects not on state property should be directed to the local code enforcement office or Kansas Fire Marshal's office.

    permit form: Form 125 - Project Acceptance

    “A permit to build will be granted when the code footprint, if applicable, and temporary egress plans, if applicable have been accepted by DCC / OSFM and construction documents have been accepted by DCC. The permit to build is issued on the Form 125 - Project Acceptance.”
  • Owner-builder exemptionAvailable

    An actual owner of commercial, residential, or farm property performing roofing services personally, or using employees to perform them, on the owner's own dwelling or another structure located on the residential or farm property owned by that person.

    • The work must be roofing services, including construction, installation, renovation, repair, maintenance, alteration, waterproofing, or removal of materials or structures.
    • The owner must perform the work personally or use employees; the exemption applies without the assistance of any registered roofing contractor.
    • The statute separately exempts roofing services whose aggregate price on each undertaking or project during any fiscal year is less than $2,000, but that exemption does not apply to a person who advertises or uses a sign, card, or other device indicating that the person is a roofing contractor or qualified to engage in that business.
    • An administrative or governing body with authority to enter into public contracts must require individual roofing-contractor registration for persons submitting or entering into a public bid or contract.
    • This is a roofing-registration exemption only; it does not establish a general exemption from local contractor licensing, building permits, or inspections.
    “The roofing contractor registration act shall not apply to:(1) An actual owner of commercial, residential or farm property who physically performs, or has employees who perform, roofing services including, construction, installation, renovation, repair, maintenance, alteration, waterproofing or removal of materials or structures on such owner's own dwelling or another structure located on the residential or farm property owned by such person without the assistance of any registered roofing contractor;”
  • Building code adoptedPartial

    Statewide Kansas building-energy-code and state fire-prevention-code framework, including new commercial and industrial structures and specified classes of new construction, additions, and occupancy changes.

    • Kansas is a home rule state and local jurisdictions retain responsibility and authority for adoption and enforcement of building energy codes.
    • The statewide IECC 2006 standard applies to new commercial and industrial structures.
    • The state corporation commission has no authority to adopt or enforce energy-efficiency standards for residential, commercial, or industrial structures.
    • Cities and counties may adopt or enforce energy-efficiency standards within their jurisdictions.
    • Kansas State Fire Marshal review for the Kansas Fire Prevention Code applies to the building and occupancy categories listed on the official plans-review page, including large assembly, specified educational and institutional occupancies, and specified residential occupancies.
    • For new homes, the state requires homebuilders and realtors to disclose certain energy-efficiency information using the Kansas Energy Efficiency Disclosure form.

    state energy-efficiency code: 2006 International Energy Conservation Code (IECC 2006) (Applicable state standard for new commercial and industrial structures) · state fire-prevention building code: 2006 International Building Code (IBC) and International Fire Code (IFC) (Projects reviewed for compliance with the Kansas Fire Prevention Code; applicability depends on the project and occupancy categories stated by the State Fire Marshal)

    “Because Kansas is a home rule state, the responsibility for adoption and enforcement of building energy codes lies with local jurisdictions.”
    3 more reviewed findings on this topic
    • Partial — Building energy-code adoption and enforcement framework relevant to Decatur County and other Kansas local jurisdictions.
      “Because Kansas is a home rule state, the responsibility for adoption and enforcement of building energy codes lies with local jurisdictions. [...] Although local jurisdictions maintain authority for codes adoption and enforcement, the State has adopted the 2006 International Energy Conservation Code (IECC (International Energy Conservation Code)) as the applicable state standard for new commercial and industrial structures (see K.S.A. (Kansas Statutes Annotated) 66-1227). For new homes, the State requires homebuilders and realtors to disclose certain energy-efficiency information, using the Kansas Energy Efficiency Disclosure form (see KSA 66-1228).”
    • Adopted — The Kansas state standard for new commercial and industrial structures, not a Decatur County residential building-code adoption.
      “Although local jurisdictions maintain authority for codes adoption and enforcement, the State has adopted the 2006 International Energy Conservation Code (IECC (International Energy Conservation Code)) as the applicable state standard for new commercial and industrial structures (see K.S.A. (Kansas Statutes Annotated) 66-1227).”
    • Partial — Kansas statewide building-code adoption authority as specifically addressed by the state energy-efficiency statute.
      “The International Energy Conservation Code 2006 (IECC 2006) is hereby adopted as the applicable energy efficiency standard for new commercial and industrial structures in this state.”
  • InspectionsLimited

    Required development inspections for new residential construction in a Kansas political subdivision that has elected to be subject to the by-right housing development act through an appropriate ordinance or resolution adopted by majority vote of its governing body; the statute does not establish that Decatur County has made that election.

    • The political subdivision must affirmatively elect to be subject to the statute by adopting an appropriate ordinance or resolution by majority vote of its governing body.
    • The alternative inspection mechanism applies only when the regulatory authority does not conduct a required development inspection within 30 days after receiving the inspection request.
    • The alternative inspector may not be the owner of the land or improvement that is the subject of the inspection.
    • The alternative inspector may not be a person whose work is the subject of the inspection.
    • The alternative inspector must be certified to inspect buildings by the International Code Council, employed by the regulatory authority as a building inspector, employed by another political subdivision as a building inspector if approved by the regulatory authority, or a licensed professional engineer under K.S.A. 74-7003.
    • No additional fee may be imposed for the review or inspection conducted under the alternative-inspection provision.
    • The alternative inspector must comply with all applicable law and notify the regulatory authority of the results no later than 15 days after completing the inspection.
    • The act takes effect after publication in the statute book; the enrolled bill does not state a publication date.

    regulatory-authority response period: 30 days (after receipt of a request for an inspection) · alternative inspector completion notice: <= 15 days (after the person completes the inspection) · additional inspection fee: 0 USD (additional fee related to the review or inspection under the subsection is prohibited)

    “The governing body of a political subdivision may elect to be subject to this section [...] the inspection may be conducted by a person:”
    2 more reviewed findings on this topic
    • Required — Building construction inspections for buildings and property owned by the State of Kansas.
      “The Department of Administration - Office of Facilities Management - Design, Construction & Compliance conducts building construction inspections on buildings and property owned by the State of Kansas.”
    • Required — Buildings and property owned by the State of Kansas undergoing construction or covered repairs, improvements, or occupancy changes.
      “The Department of Administration - Office of Facilities Management - Design, Construction & Compliance conducts building construction inspections on buildings and property owned by the State of Kansas.”
  • Certificate of occupancyRequired

    Any portion of a State of Kansas-owned building that has been in construction or has a change in occupancy, under the Department of Administration DCC process.

    • Form 150 is issued before occupancy of any portion of a building that has been in construction or has a change in occupancy.
    • Healthcare and childcare occupancies and Board of Regents capital-improvement projects require OSFM participation in construction inspections before authorization or acceptance of occupancy.
    • The manual states that failure to submit the occupancy request and schedule required inspections results in denial of occupancy.

    certificate form: Form 150 - Certificate of Occupancy

    “Form 150 - Certificate of Occupancy will be issued by DCC prior to occupancy of any portion of a building that has been in construction or has a change in occupancy. For Healthcare and Childcare Occupancies and Capital Improvement Projects for the Board of Regents, OSFM will perform construction inspections prior to authorization/acceptance of occupancy.”
  • Zoning districtsPartial

    Kansas cities and counties that adopt zoning regulations under K.S.A. 12-753

    • The statute authorizes, but does not require, each city or county to adopt zoning regulations.
    • A governing body may divide territory into districts of different number, shape, area, and classes according to land and building use and intensity.
    • Adopted regulations may regulate building height, stories, size, lot coverage, yards, open space, population density, land uses, natural-resource conservation, floodplain land, and setbacks from streets or highways.
    • District boundaries must be defined in the regulations or by an incorporated official map.
    • County zoning maps must be marked as the official copy incorporated by board-of-county-commissioners resolution and filed with the county clerk or another designated public office.
    • City zoning maps must be marked as the official copy incorporated by governing-body ordinance and filed with the city clerk or another designated public office.
    • The regulations and accompanying maps are public records.
    • The section became effective on and after January 1, 1992.

    effective date: 1992-01-01

    “The governing body may divide the territory subject to its jurisdiction into districts of such number, shape, area and of such different classes”
    One more reviewed finding on this topic
    • Partial — Kansas statutory framework governing zoning districts adopted by cities and counties; this does not publish the actual district maps or classifications for each local jurisdiction.
      “The governing body may divide the territory subject to its jurisdiction into districts of such number, shape, area and of such different classes”
  • Minimum lot sizeSpecified

    New construction of a single-family residence in Decatur County, including unincorporated areas and municipalities, when the residence is less than 2,500 square feet of total livable floor area, or gross floor area minus garages and basements, and is constructed on its own separate lot or parcel with its own individual legal description.

    • The rule applies notwithstanding any provision of law to the contrary.
    • The residence must be a new single-family residence less than 2,500 square feet under the statute's stated floor-area measurement.
    • The residence must be constructed on its own separate lot or parcel with its own individual legal description.
    • The minimum residential lot size is subject to reasonable setback requirements that avoid unwarranted hardship yet protect the public welfare and safety.
    • All political subdivisions must allow the listed provisions, including use of specified 2018 IRC options, construction of single-car garages, and only one side of architectural finish.
    • Any conflicting building code, ordinance, resolution, regulation, or rule is null and void as applied to the qualifying property.
    • The act takes effect and is in force only after publication in the statute book; the source does not state a publication date.

    minimum residential lot size: >= 3000 square feet (subject to any reasonable setback requirements that avoid unwarranted hardship yet protect the public welfare and safety) · residence floor area threshold: < 2500 square feet (total livable floor area, or gross floor area minus garages and basements)

    “a minimum residential lot size of 3,000 square feet subject to any reasonable setback requirements that avoid unwarranted hardship yet protect the public welfare and safety.”
    One more reviewed finding on this topic
    • District specific (with conditions) — Kansas county zoning regulations for unincorporated urban areas and municipal zoning regulations adopted under Kansas planning and zoning statutes.
      “the density of population, including minimum width, depth and area of lots”
  • SetbacksSpecified

    New construction of a single-family residence in Decatur County, including unincorporated areas and municipalities, when the residence is less than 2,500 square feet of total livable floor area, or gross floor area minus garages and basements, and is constructed on its own separate lot or parcel with its own individual legal description.

    • The rule applies notwithstanding any provision of law to the contrary.
    • The residence must be a new single-family residence less than 2,500 square feet under the statute's stated floor-area measurement.
    • The residence must be constructed on its own separate lot or parcel with its own individual legal description.
    • All political subdivisions must allow the listed provisions, including reasonable setback requirements.
    • Setbacks may be imposed only if reasonable, avoid unwarranted hardship, and protect the public welfare and safety.
    • Any conflicting building code, ordinance, resolution, regulation, or rule is null and void as applied to the qualifying property.
    • The act takes effect and is in force only after publication in the statute book; the source does not state a publication date.

    residence floor area threshold: < 2500 square feet (total livable floor area, or gross floor area minus garages and basements) · setback standard: reasonable; avoids unwarranted hardship yet protects public welfare and safety

    “subject to any reasonable setback requirements that avoid unwarranted hardship yet protect the public welfare and safety.”
    One more reviewed finding on this topic
  • Lot coverageDistrict specific (with conditions)

    Percentage of a lot that may be occupied under applicable Kansas municipal or county zoning regulations.

    • Actual lot-coverage percentage is set by the applicable local zoning classification, if adopted.
    • No statewide numeric lot-coverage percentage was identified.

    maximum percentage of lot occupied: local zoning classification percent

    “the percentage of lots that may be occupied”
  • Building heightDistrict specific (with conditions)

    Building height and number-of-stories restrictions established by applicable Kansas municipal or county zoning regulations.

    • Actual height or story limits are set by the applicable local zoning classification, if adopted.
    • No statewide numeric building-height limit was identified.

    maximum building height or stories: local zoning classification

    “restrict and regulate the height, number of stories and size of buildings”
  • Manufactured homesLimited

    Placement and residential occupancy of manufactured homes in Kansas jurisdictions with applicable county or city zoning regulations.

    • Manufactured homes remain subject to applicable county and city zoning regulations.
    • A governing body may not exclude manufactured homes from its entire zoning jurisdiction.
    • A governing body may not exclude residential-design manufactured homes from single-family residential districts solely because they are manufactured homes.
    • Architectural or aesthetic standards compatible with site-built housing may still apply.
    • Valid restrictive covenants running with the land are not preempted.
    • The source states the zoning provision became effective January 1, 1992.
    “All mobile homes shall be subject to zoning regulations of counties and cities applicable to areas in which such homes are located.”
  • Accessory dwellingsAllowed (with conditions)

    Accessory dwelling units in qualifying by-right housing developments governed by Kansas zoning and land-use regulations.

    • The development must meet the statutory definition of a by-right housing development.
    • The project must comply with applicable zoning-code and land-use-regulation criteria.
    • The project may not require federal or state discharge permits or stormwater drainage studies, may not exceed 12 attached townhouse units, must satisfy the public-infrastructure condition, must not adversely increase impervious-surface drainage into a special flood hazard area, and must not be in a listed historic district or otherwise subject to historic-preservation review.

    maximum attached townhouse units: <= 12 units (for any townhouse project)

    “All proposed housing developments, including single-family homes, townhouses and accessory dwelling units (ADUs), that meet the definition of a by-right housing development”
  • Who permits septicMixed (with conditions)

    Domestic onsite wastewater systems statewide in Kansas, including septic tanks, soil absorption fields, lagoons, and approved alternative systems.

    • KDHE establishes statewide minimum standards under K.A.R. 28-5-6 to 9 and Bulletin 4-2.
    • Local governments may adopt stricter sanitary or environmental codes, approve plans, issue construction and operating permits, and grant variances.
    • Sanitary codes are usually administered through county health departments.
    • Where no local code exists, landowners must comply with K.A.R. 28-5-6 to 9 and the statewide minimum standards.
    “Local governments have the authority to adopt minimum requirements (codes) for onsite wastewater management systems, to approve individual plans, to issue permits for construction, to issue permits for operation, and to grant variances. County sanitary (environmental) codes specify local design and permitting requirements. [...] If there is no local code, landowners are required to comply with Kansas Administrative Regulations (K.A.R.) 28-5-6 to 9 and minimum standards in this bulletin.”
  • Septic permitLimited

    Private onsite wastewater systems throughout Kansas, where permit requirements depend on applicable county or other local sanitary/environmental codes.

    • Local governments may adopt codes and issue construction and operating permits.
    • County sanitary or environmental codes specify local design and permitting requirements.
    • If there is no local code, landowners must comply with K.A.R. 28-5-6 to 9 and KDHE Bulletin 4-2.
    • All septic tanks installed in Kansas must comply with KDHE Bulletin 4-2.
    • The cited state materials do not establish a single construction- and operating-permit requirement applicable statewide.

    applicable state regulations without local code: K.A.R. 28-5-6 to 9 · state minimum standard: KDHE Bulletin 4-2

    “County sanitary (environmental) codes specify local design and permitting requirements. [...] If there is no local code, landowners are required to comply with Kansas Administrative Regulations (K.A.R.) 28-5-6 to 9 and minimum standards in this bulletin.”
  • Off-grid sanitationLimited

    Domestic wastewater disposal without a public sewer connection, using an approved septic system, lagoon, or alternative onsite system.

    • Domestic wastewater must be discharged to an approved sewage collection system, approved lagoon, septic system, alternative system, or permitted sewage treatment plant.
    • Private sewerage facilities are conditioned on public sewers not being available and on compliance with local requirements.
    • Seepage pits, cesspools, and dry wells (rat holes) are not permitted.
    • No private onsite wastewater system may have a surface discharge.
    • Alternative systems may require a local variance; where there is no local code, KDHE may grant a variance.
    “Wastewater from a home shall be discharged to a properly designed and maintained septic tank–soil absorption field or wastewater pond, an approved alternative treatment and disposal system, or a permitted sewage treatment plant. Seepage pits, cesspools, and dry wells (rat holes) are not permitted. [...] No private onsite wastewater system shall have a surface discharge.”
  • Well permitLimited

    Water-well construction, reconstruction, and plugging in Kansas, including county and city permitting requirements where applicable.

    • Many counties require water-well permits, and some cities do as well; the KDHE page reports that 68 counties had responded to its January 2026 poll.
    • A well may also need a Division of Water Resources permit, Class V Authorization, Public Water Supplies permit, or another authorization depending on the well.
    • Kansas requires well logs for all water-well construction, reconstruction, and plugging statewide.
    “Many counties in Kansas require a permit for water wells. Even some cities have permitting requirements. Please look below to see if you need a permit for your well. 68 counties have responded so far, counties not shown below did not respond to our poll. The poll was sent in January of 2026, and will be updated annually.”
  • Mandatory utility hookupConditional

    Private onsite sewerage facilities serving domestic wastewater in Kansas.

    • A private sewerage facility may proceed only when public sewers are not available and all applicable local requirements are met.
    • The source does not establish a statewide requirement to connect to public water service.
    “Proceed with any private sewerage facility only when public sewers are not available and all applicable local requirements are met.”
  • Agricultural exemptionAvailable (with conditions)

    Use of land for agricultural purposes and erection or maintenance of agricultural buildings under city or county zoning regulations adopted under Kansas planning and zoning statutes.

    • The exemption applies only while the land and buildings are used for agricultural purposes and not otherwise.
    • The exemption does not apply to flood-plain regulations in designated flood plains.
    • Under K.S.A. 19-2960, dwellings, garages, and other similar accessory buildings are not agricultural buildings.
    • Under K.S.A. 19-2960, all buildings, including agricultural buildings, may be regulated for setbacks from public roads.
    • K.S.A. 12-758 applies to regulations adopted by a city pursuant to K.S.A. 12-715b or by a county pursuant to the planning and zoning act.

    agricultural-use condition: land and buildings must be used for agricultural purposes and not otherwise (Flood-plain regulations remain applicable.) · public-road setback exception: permitted (Agricultural buildings may be regulated as to setbacks from public roads under K.S.A. 19-2960.)

    “regulations adopted by a city pursuant to K.S.A. 12-715b, and amendments thereto, or a county pursuant to this act shall not apply”
    One more reviewed finding on this topic
    • Available (with conditions) — Use of land and erection or maintenance of agricultural buildings where county or city zoning regulations were adopted under the Kansas planning and zoning act.
      “Except for flood plain regulations in areas designated as a flood plain, regulations adopted by a city pursuant to K.S.A. 12-715b”
  • Subdividing landLimited

    Subdivision, resubdivision, or replatting in Kansas areas governed by locally adopted subdivision regulations.

    • A plat must be submitted to the planning commission or joint committee where applicable.
    • A plat must conform to applicable subdivision regulations and receive the required approval.
    • No building or zoning permit may be issued for a lot subdivided, resubdivided, or replatted after adoption of subdivision regulations unless approved under the statutory procedure.
    • Local subdivision regulations may establish reasonable plat-approval fees.
    • The statute does not establish a single statewide subdivision standard for every parcel.

    plat approval deadline: <= 60 days (If the planning commission or joint committee does not determine conformity within 60 days after the first meeting following submission, the plat is deemed approved under subsection (b).)

    “All such plats shall be submitted to the planning commission or to the joint committee for subdivision regulation.”
  • Driveway accessRequired

    Construction or alteration of a driveway connecting to the Kansas state highway system.

    • The requirement applies to driveways onto the state highway system.
    • No work may be performed on state highway right-of-way until an approved highway permit agreement is received.
    • Driveways connecting only to local roads are outside the cited rule's stated scope.
    “Individuals desiring to construct or alter a driveway onto the state highway system shall be required to obtain a permit.”
  • Building in a floodplainLimited

    Statewide Kansas framework governing locally adopted floodplain zones, districts, and floodplain development regulations

    • A local governing body may establish floodplain zones and districts; the statute does not itself impose one uniform permit requirement on every development statewide.
    • Any floodplain regulations must comply with the minimum requirements of the National Flood Insurance Act of 1968 and rules adopted under it.
    • Before adoption, a local ordinance, resolution, regulation, or plan creating or changing a floodplain zone or district, or regulating structures, encroachments, or land uses in the area, must be submitted to the chief engineer of the Kansas Department of Agriculture's Division of Water Resources.
    • The chief engineer may require complete maps, plans, profiles, specifications, and textual matter; approval or disapproval is due within 90 days after receipt of all required data, and failure to act within that period results in deemed approval.
    • Under K.A.R. 5-44-4, local floodplain zoning regulations must identify flood hazard areas by a specific map, meet or exceed federal minimum requirements, meet or exceed applicable chief-engineer requirements, and designate a local floodplain administrator responsible for reviewing and issuing floodplain development permits.
    • K.A.R. 5-44-1 states that its definitions apply in administering K.S.A. 12-766; its listed effective dates are January 1, 1992 and February 17, 1992.

    chief engineer review period: 90 days (After receipt of all data required by the chief engineer; failure to approve or disapprove within the period results in deemed approval.) · flood threshold referenced by K.S.A. 12-766: 1% annual chance (The governing body may restrict application to lands adjacent to watercourses subject to floods of a lesser magnitude than that having a one-percent chance occurrence in any one year.)

    “The governing body may establish flood plain zones and districts and restrict the use of land therein”
    One more reviewed finding on this topic
    • Limited — Development in special flood hazard areas under Kansas local floodplain-management ordinances based on the Kansas Department of Agriculture model ordinance.
      “In all areas covered by this ordinance, no development shall be permitted except through the issuance of a floodplain development permit”
  • Short-term rentalsLimited

    Short-term rentals and vacation units or properties regulated by a Kansas municipality during the temporary statutory period from May 15, 2026 through July 25, 2026.

    • The temporary rule applied from May 15, 2026 through July 25, 2026.
    • No municipality could limit the number of permits or other municipal authorizations or limit rental duration during that period.
    • Completed authorization applications had to receive a response within 15 calendar days.
    • If the municipality failed to process and respond within 15 calendar days, the application was deemed approved and no additional municipal regulation or code requirement could be imposed as a condition of approval.
    • The definition excluded a permanent guest or a person occupying under a contract intended for long-term or permanent occupancy for more than 28 consecutive days within the period.

    application response deadline: 15 calendar days (completed municipal authorization applications during the statutory period)

    “During such period, all completed applications to a municipality [...] shall be processed by the municipality [...] within 15 calendar days.”
  • Permit feesVariable (with conditions)

    Permits, licenses, and other activities under county sanitary codes statewide in Kansas.

    • County commissioners may adopt reasonable fees through sanitary codes.
    • The statute does not establish a single statewide fee amount.

    fee amount: county sanitary code dependent

    “Each sanitary code may provide for permits, licenses and fees.”
    One more reviewed finding on this topic
    • Published (with conditions) — KDHE air-quality construction approval applications statewide in Kansas.
      “there is a $750 fee for each construction approval application.”
  • Permit processPublished (with conditions)

    KDHE air-quality construction permits or approvals for projects whose potential-to-emit increase exceeds applicable regulatory thresholds.

    • A construction permit or approval must be issued before beginning actual construction or modification when the project exceeds the applicable potential-to-emit thresholds.
    • Land may be cleared, contracts made, and equipment purchased and stored before issuance.
    • Foundation work is considered beginning actual construction and must wait until issuance.
    • Equipment whose emissions contribute to the permitting requirement may not be permanently affixed or installed before issuance.
    • Pre-issuance activity is conducted at the owner or operator's financial risk.
    “foundation work is considered to be "beginning actual construction" and must wait until after issuance.”
    2 more reviewed findings on this topic
    • Published (with conditions) — Approval process for qualifying by-right housing developments in Kansas, including developments involving accessory dwelling units.
      “A complete application for a by-right housing development that demonstrates that such development meets the criteria outlined in the zoning code and land use regulations”
    • Partial — Domestic septic tank and lateral-field systems and related onsite wastewater controls in Kansas.
      “Unless otherwise provided by the board of county commissioners, the local health department shall have the authority and responsibility for administering all sanitary codes.”
  • county zoning authorityGeneral

    Kansas counties adopting zoning regulations for all or any portion of unincorporated county territory.

    • The authority is exercised by the board of county commissioners through resolution and under the applicable planning-and-zoning act.
    • Permissible subjects include building height, number of stories, building size, lot coverage, yards and open spaces, population density including minimum lot dimensions, building and land uses, and floodplain land use.
    • County zoning jurisdiction may cover all or any portion of the unincorporated area; incorporated municipalities have separate statutory zoning jurisdiction.
    “The board of county commissioners, by resolution, may provide for the adoption or amendment of zoning regulations for the unincorporated portion of the county in the manner, and for the purposes, provided by this act.”
  • county building authorityLimited

    Kansas counties' authority to require building permits and regulate construction in unincorporated areas through subdivision regulations

    • The county must first adopt a comprehensive plan before adopting subdivision regulations under K.S.A. 19-2961.
    • The permit procedures apply to lots divided, subdivided, resubdivided, or replatted within an area governed by the county's subdivision regulations.
    • No building authorization may be granted for a structure on a lot subdivided, resubdivided, or replatted after adoption of the regulations unless the statutory approval process is followed.
    • Regulations must provide a building-permit procedure for lots divided into not more than two tracts without replatting, unless otherwise provided.
    • Permit procedures must account for zoning regulations, adequate street rights-of-way, easements, and improvement of public facilities, and specify a decision time limit.
    • The statute permits the final permit decision to be made by the county commission, subject to other law.

    maximum tracts for permit without replatting: <= 2 tracts (unless otherwise provided by the county regulations)

    “Any regulations adopted by the board of county commissioners with reference to subdividing lots shall provide for the issuance of building permits”
    One more reviewed finding on this topic
    • General — Kansas counties adopting and enforcing building codes in unincorporated portions of the county.
      “Any part of a code adopted pursuant to the provisions of this section may be made applicable, by resolution, either to all unincorporated portions of the county or to any area of the county outside of but within three (3) miles of the nearest point of the corporate limits of any city.”

Set by your township or city, not the county

In Kansas, zoning is adopted by each township or city, so Decatur County has no county-wide answer on these. Find your township or city in the list of places on this page, or call its clerk or zoning administrator.

  • Minimum dwelling size
  • Living in an RV
  • Camping on your land
  • Tiny homes

Still unanswered

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

  • County-wide zoning — Whether Decatur County has countywide zoning regulations applicable to the unincorporated county.
  • Local zoning — Whether zoning exists in Decatur County through county, municipal, township, or other local ordinances, including whether any zoning applies only to part of the unincorporated county.
  • Septic inspection — Inspections of onsite wastewater systems in Decatur 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.

Water rights & wells in Decatur County

Whether a new home can legally get its own water here — the sub-state groundwater regime, from Kansas’s water agency.

Over-appropriated / declining

The aquifer here is over-appropriated and declining. A domestic well is usually still permit-exempt, but long-term supply is a genuine risk.

Household wellExempt — no permit or water right

Domestic use is statutorily exempt from the Kansas Water Appropriation Act, so a homeowner needs no state water right to drill a household well even inside a closed groundwater management district; only local/KDHE well-construction permitting applies.

Limit: Domestic use (household + livestock + ≤2 acres lawn/garden) requires no state appropriation permit

Kansas Dept of Agriculture, DWR — Water Law Basics ↗

Prior-appropriation state (first in time, first in right). Groundwater rules change and basin boundaries follow the aquifer, not the county line — confirm current well and appropriation rules with the Kansas state water agency before you buy or drill.Groundwater governance as of Jul 2026, cited to each administering agency.

Living off-grid in Decatur County, Kansas

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

Decatur County scores 46/100 on the Bolthole Index, a marginal county profile. Its strengths: deep seclusion — about 1,713 people within a 30-minute drive and manageable long-term carry cost. Watch-outs: thin water margin (21.8″/yr rainfall) and elevated current hazard exposure.

Do you need a building permit in Decatur County, Kansas?

Decatur County generally requires a residential building permit. Onsite septic is permitted by Decatur County (Local Environmental Protection Program / county sanitary code), Oberlin, KS. Owner-builders may act as their own contractor to build their home. 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 Decatur County, Kansas?

Land in Decatur County runs about $1,805 per acre, based on the latest county data.

What is the water situation in Decatur County?

Decatur County gets about 21.8" of rain a year, with severe drought in roughly 26.8% of years. On water rights, Decatur County lies in the Northwest Kansas Groundwater Management District No. 4 (GMD4) — Closed to new appropriations; district LEMAs cap and reduce existing Ogallala pumping. Domestic use exempt..

How remote is Decatur County?

A representative private-land location has about 1,713 people within a 30-minute drive and 121,054 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.

How Decatur compares in Kansas

Compare side-by-side →See all 105 Kansas counties ranked →