Unincorporated Geary County, Kansas requires a building permit and applies county zoning rules to rural construction12. The county GIS / Zoning & Sanitarian office is the practical starting point for building, zoning and onsite-wastewater questions34. Living in an RV is allowed only in an RV park or as a permitted temporary dwelling while a home with a valid building permit is under construction5.
At a glance
- Building permit
- Required for construction in unincorporated Geary County1
- Zoning
- Yes; county districts include agricultural and residential districts2
- Septic
- Administered locally under the Geary County Sanitary Code6
- RV living
- Only in an RV park or as a permitted temporary dwelling during an active home build5
- Manufactured home
- An individual-lot residence is a conditional use7
- Owner-builder exemption
- We could not confirm an exemption; ask Building & Code before applying8
- Floodplain development
- A separate permit is required for each structure or other development9
- Private well permit
- County requirement unconfirmed; ask the Sanitarian before drilling10
Who to call
Building permits
Geary County Building & Code / GIS-Zoning Enforcement
Building-permit applications, construction-code review and required inspections for Geary County
139 E. 8th Street, Junction City, KS 66441
Zoning
Geary County GIS / Zoning & Sanitarian
Planning, zoning and land-use applications for Geary County
139 E 8th Street (west entrance), Junction City, KS 66441
Septic permits
Geary County GIS / Zoning & Sanitarian
Sanitarian and code-enforcement questions, including local onsite-wastewater requirements
139 E 8th Street (west entrance), Junction City, KS 66441
Floodplain permits
Geary County Floodplain Administrator
Floodplain information and county floodplain administration outside incorporated city limits
139 E. 8 th St. Junction City, Kanas, 66441 (west entrance)
Contact details are copied from each office’s official page and were checked against it on September 27, 2026.
Do you need a building permit in Geary County, Kansas?
Yes. Unincorporated Geary County requires a building permit for construction, and the county publishes a Building Permit Application through Building & Code / GIS-Zoning Enforcement13. The current application identifies adopted building, residential, plumbing, mechanical, electrical and related codes, and it lists inspections from footing and foundation through final trade work, grading, sidewalks, driveways and erosion control3. Building-code adoption and the inspection schedule were not confirmed beyond that current application, so discuss the exact plan set and inspection sequence with Building & Code before work starts. A project in the regulated floodplain also needs a separate floodplain development permit for each structure or other development9.
Who handles Geary County building permits, and how do you reach them?
Geary County Building & Code / GIS-Zoning Enforcement handles the building-permit application from its office at 139 E. 8th Street in Junction City; call 785-530-5399 or email [email protected]3. For a zone change, county conditional-use permit, site or development plan, plat, vacation, variance or other land-use filing, submit the planning application to the Planning & Zoning Department with all required documents and the appropriate fee11. The county has not published a fee amount in the reviewed material, so ask the zoning office for the current schedule before filing. The general GIS / Zoning office line is 785-530-6093, and the county offers an online planning application4.
Does Geary County have zoning?
Yes. Unincorporated Geary County has agricultural, suburban-residential and single-family-residential zoning districts, plus processes for conditional uses, variances and zone changes2. Lot size, setbacks, lot coverage and building height depend on the applicable local zoning classification rather than one statewide Kansas standard12131415. Kansas generally exempts land and buildings used only for agricultural purposes from local zoning, but dwellings and garages are not agricultural buildings, floodplain rules still apply, and the county may regulate agricultural-building setbacks from public roads16. Confirm the parcel's district and allowed use with Geary County GIS / Zoning before choosing a homesite4.
How do septic permits work in Geary County?
Geary County administers onsite wastewater through its Sanitarian under the county Sanitary Code617. Kansas lets local governments approve plans and issue construction or operating permits, and local sanitary codes set the actual design and permitting requirements18. The county materials reviewed here do not confirm the general permit trigger, application steps, inspection schedule or exemptions, so call the Sanitarian at 785-530-5126 before designing or installing a system17. Only about 4.6% of county soils are rated without severe limitations for a conventional septic drain field, making a site and soil evaluation an early purchase check19. Where a sewer service area applies, connection is mandatory; private systems are for qualifying sites where sewer installation is not required20.
Can you live in an RV or tiny home on your land in Geary County?
An RV may be used for living, sleeping or housekeeping in unincorporated Geary County only in an RV park or as a permitted temporary dwelling on a lot with a valid building permit for construction of a dwelling5. In suburban-residential and single-family-residential districts, permanent RV parking also must stay outside the front yard, any required yard along a public street, and at least 10 feet from a side or rear lot line5. A manufactured home used as a single-family dwelling on an individual lot is a conditional use7. We could not confirm a separate tiny-home rule, minimum dwelling size or general temporary-camping rule; ask Geary County GIS / Zoning how the proposed unit and parcel district will be classified4.
Building a home in Geary County: the steps, in order
- Ask Geary County GIS / Zoning to confirm the parcel's zoning district, allowed use and district-specific lot and setback standards24.
- Have the Sanitarian evaluate the onsite-wastewater path before fixing the house location, because conventional drain-field suitability is severely limited across most county soils1719.
- Submit the building-permit application and required supporting plans to Building & Code; ask for the applicable inspection sequence13.
- If the site is in the county floodplain district, obtain the separate floodplain development permit before starting development9.
- If the driveway connects to a Kansas state highway, obtain the state highway permit before doing work in the right-of-way21.
- Do not use an RV as living quarters unless the county approves it under the temporary-dwelling rule for the active home build5.
What should you check before buying land in Geary County?
Start with septic feasibility: only about 4.6% of Geary County soils are rated without severe limitations for a conventional drain field19. Check the zoning map, permitted use, lot standards and whether the tract is outside Junction City, Grandview Plaza and Milford, because the county flood rules cover property outside those city limits while city offices handle their own floodplain questions22. About 88.7% of county land has a slope of 15% or less, but parcel-level drainage and flood conditions still matter23. Farmland value averages about $2,862 per acre, while the effective property-tax rate is about 1.5% and the median annual property-tax bill is about $2,537242526. A driveway onto a state highway needs a state permit21.
Watch-outs
- An ordinary Geary County building permit does not replace the separate permit required for each structure or other development in the regulated floodplain9.
- RV occupancy is narrow: living in one is limited to an RV park or a permitted temporary dwelling tied to a valid building permit for a home under construction5.
- A manufactured home on an individual lot is a conditional use, so do not treat manufactured-home placement as automatically allowed in every zoning district7.
Sources
- Geary County Zoning Regulations, Article 1 General Provisions (2026 county census)
- Geary County Zoning (2026 county census)
- Geary County Building & Code / GIS-Zoning Enforcement (gearycounty.gov)
- Geary County GIS / Zoning & Sanitarian (gearycounty.gov)
- Article XV - Supplementary Use Regulations; Conditional, Accessory, and Prohibited Uses, quoted and re-checked
- KDHE County Environmental / Sanitary Codes (2026 county census)
- Article XV - Accessory and Manufactured Home Uses, quoted and re-checked
- (2026 county census)
- Article VI - Floodplain District Regulations, quoted and re-checked
- Water Well County Permits (Kansas statewide rule), quoted and re-checked
- Junction City/Milford/Geary County Metropolitan Planning Commission and Board of Zoning Appeals Application Form, quoted and re-checked
- K.S.A. 12-753 — Zoning regulations; districts; restrictions (Kansas statewide rule), quoted and re-checked
- K.S.A. 12-753 — Zoning regulations; districts; restrictions (Kansas statewide rule), quoted and re-checked
- K.S.A. 12-753 — Zoning regulations; districts; restrictions (Kansas statewide rule), quoted and re-checked
- K.S.A. 12-753 — Zoning regulations; districts; restrictions (Kansas statewide rule), quoted and re-checked
- K.S.A. 12-758 — Agricultural land exempted from zoning regulations (Kansas statewide rule), quoted and re-checked
- Geary County GIS / Zoning & Sanitarian (gearycounty.gov)
- MF2214 Minimum Standards for Design and Construction of Onsite Wastewater Systems (Kansas statewide rule), quoted and re-checked
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- Article 5 - Requirements for Improvements, quoted and re-checked
- Kansas Administrative Regulations, Volume 3 (Kansas statewide rule), quoted and re-checked
- Geary County Floodplain Administrator (gearycounty.gov)
- Share of land at 15% slope or less: Bolthole Index county data
- Farmland value per acre (USDA census): Bolthole Index county data
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
Written September 27, 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.