Ellis County, Kansas requires a zoning certificate before erecting or altering a structure under county zoning jurisdiction; the county describes that certificate as similar to a building permit.1 Septic construction or modification also requires a county permit, and the wastewater application fee is $60.2 General building-code adoption, routine building inspections and any owner-builder exemption remain unconfirmed, so ask the Environmental/Planning & Zoning Office before designing or hiring.3
At a glance
- Building permit
- A zoning certificate is required before erecting or altering a structure under county zoning jurisdiction1
- Zoning
- County zoning districts are published; parcel rules depend on the official zoning map4
- Septic
- County permit required before construction or modification; application fee is $602
- Private well
- The Environmental Office permits and supervises new water-supply wells; the permit costs $605
- RV or tiny home
- Occupancy rules for an RV or tiny home on an individual parcel could not be confirmed; ask Planning & Zoning3
- Owner-builder
- No owner-builder exemption was confirmed; ask Planning & Zoning before relying on one3
- County-road access
- County approval is required for new, additional or modified entrances to Ellis County roads6
Who to call
Zoning
Ellis County Environmental/Planning & Zoning Office
County zoning certificates, land-use and development questions, agricultural lot splits and zoning administration
1515 W. 55th St., Hays, KS 67601
Septic permits
Ellis County Environmental Office
Wastewater-system permits, construction guidance and property-transfer wastewater evaluations
1515 W. 55th St., Hays, KS 67601
Well permits
Ellis County Environmental Office
Permits and supervises construction of newly constructed water-supply wells
1515 W. 55th. St., Hays, KS 67601
Floodplain permits
Ellis County Environmental/Planning & Zoning Office
Floodplain inquiries, determinations and floodplain development permit applications
1515 W. 55th St., Hays, KS 67601
Roads & driveways
Ellis County Road and Bridge Division
County-road entrance approvals and highway right-of-way permit agreements
1681 250th Ave., Hays, KS 67601
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 Ellis County, Kansas?
Ellis County requires an application for a zoning certificate before erecting or altering any structure subject to county zoning jurisdiction, and the county calls that certificate similar to a building permit.1 The available county material does not confirm a generally adopted building code, a routine building-inspection program or a certificate-of-occupancy rule for ordinary private construction, so ask the Environmental/Planning & Zoning Office what reviews apply to the exact parcel and project.3
A genuine agricultural use has a narrower path: county zoning regulations do not apply to agricultural land or agricultural buildings, except feedlots and land designated as floodplain.7 Kansas law also distinguishes a dwelling, garage and similar accessory building from an agricultural building, and it permits public-road setbacks to apply even to agricultural buildings.8 A home on a farm therefore should not be treated as automatically exempt.8
Who issues permits in Ellis County, Kansas?
The Ellis County Environmental/Planning & Zoning Office is the first stop for a county zoning certificate and for parcel-specific land-use questions.3 The same office location handles septic permits, new water-well permits and floodplain inquiries, although each process has its own application and review.9510
Contact Planning & Zoning at 785-628-9449 or [email protected], or visit 1515 W. 55th St., Hays, KS 67601.3 Ellis County Road and Bridge separately handles approvals for a new, additional or modified entrance onto an Ellis County roadway; its office is at 1681 250th Ave., Hays, KS 67601 and its phone is (785) 628-9455.6 A driveway connecting to the Kansas state highway system instead requires state highway approval before work occurs in the state right-of-way.11
Does Ellis County, Kansas have zoning?
Ellis County publishes zoning districts that include agricultural, rural residential, mobile-home residential and floodplain-overlay classifications, and the official zoning map determines which rules apply to a parcel.4 Setbacks vary by district and use; the county material states a general measurement of 63 feet from the center of a county road or 30 feet from the right-of-way, whichever is greater, subject to district rules and exceptions.12
Minimum lot area, building height and lot coverage therefore cannot be answered from a county name alone; Kansas treats those limits as local, zoning-classification questions.131415 Ellis County also requires county approval whenever land is divided, and agricultural lot splits have parcel-size and water-source conditions stated by Planning & Zoning.3 Confirm the mapped district, proposed use, setbacks and split history with Planning & Zoning before relying on an acreage listing.3
How do septic permits work in Ellis County, Kansas?
Ellis County requires a wastewater permit before constructing or modifying a septic or other wastewater system, and the application fee is $60.2 The Environmental Office accepts the application and provides wastewater-system construction guidance.16 A site inspection must occur before permit approval, and the installed system must be inspected before any part is covered.17 Ellis County also requires a wastewater-system inspection when property ownership transfers within county jurisdiction.17
Only 27.9% of county soils are rated without severe limitations for a conventional septic drain field, so a favorable-looking tract still needs site-specific evaluation.18 Kansas requires household wastewater to go to an approved septic field, lagoon, alternative system or permitted treatment plant, and does not allow seepage pits, cesspools, dry wells or surface discharge.19 Private onsite sewerage is an option only when public sewer is unavailable and local requirements are met.20
Can you live in an RV or tiny home in Ellis County, Kansas?
Ellis County regulates recreational-vehicle parks and campgrounds, but the available county material does not answer whether someone may occupy an RV on an individual parcel while building or as a full-time residence.21 Ask Planning & Zoning about the parcel's district, duration limits, utility connections and whether a zoning certificate or special approval is required before placing or occupying an RV.3
Ellis County's specific tiny-home occupancy rule and minimum dwelling floor area could not be confirmed, so a tiny home should be checked as a proposed dwelling in its mapped zoning district.3 Manufactured homes are subject to applicable local zoning, although Kansas does not allow a jurisdiction to exclude manufactured homes from its entire zoning territory solely because of construction type.22 Ellis County separately prohibits a manufactured home from being parked in a county-regulated RV park or campground.23
Building a home in Ellis County, Kansas: what are the steps?
- Ask the Environmental/Planning & Zoning Office to confirm the parcel's zoning district, allowed residential use, setbacks, lot status and whether floodplain review comes first.310
- Obtain the county zoning certificate before erecting or altering the structure.1
- If the site needs onsite wastewater, submit the $60 application before construction and schedule the required preapproval and pre-cover inspections.217
- If the project needs a new private well, apply through the Environmental Office; Ellis County says the water-well permit costs $60.5
- Secure county approval for a new or changed entrance onto an Ellis County roadway, or the applicable state permit for an entrance onto a state highway.611
- Ask Planning & Zoning whether any building-code review, trade inspection or occupancy approval applies, because those general county requirements could not be confirmed.3
What should you check before buying land in Ellis County?
Start with the official zoning map and ask Planning & Zoning to confirm the parcel's district, permitted use, setbacks, subdivision history and any agricultural-exemption limits.47 Complete the county floodplain inquiry before other permits if development may lie in the floodplain, because the county says floodplain compliance comes first.10 Verify legal access as well: Ellis County approval is required for new, additional or modified entrances to county roads.6
For an unsewered tract, budget for site evaluation because only 27.9% of soils are rated without severe limits for conventional drain fields.18 Ellis County permits and supervises newly constructed water-supply wells, and its well permit costs $60.5 The county's effective property-tax rate is about 1.2%, with a median annual property-tax bill of $2,582, but the parcel's actual assessment and bill can differ.2425
Watch-outs
- A zoning certificate is required before erecting or altering a structure under Ellis County zoning jurisdiction, even though the county describes it as similar to a building permit.1
- Floodplain compliance must be handled before Ellis County issues the zoning certificate, entrance approval or wastewater permit for an affected project.10
- General county building inspections, certificate-of-occupancy rules and any owner-builder exemption could not be confirmed; ask Planning & Zoning before construction.3
- A county-road entrance and a state-highway entrance follow different approval paths.611
Sources
- Planning & Zoning, quoted and re-checked
- Wastewater System Evaluations & Permitting, quoted and re-checked
- Ellis County Environmental/Planning & Zoning Office (ellisco.net)
- Zoning Regulations, quoted and re-checked
- Ellis County Environmental Office (ellisco.net)
- Ellis County Road and Bridge Division (ellisco.net)
- Ellis County Zoning Article 3, quoted and re-checked
- K.S.A. 12-758 — Agricultural land exempted from zoning regulations (Kansas statewide rule), quoted and re-checked
- Ellis County Environmental Office (ellisco.net)
- Ellis County Environmental/Planning & Zoning Office (ellisco.net)
- Kansas Administrative Regulations, Volume 3 (Kansas statewide rule), quoted and re-checked
- Ellis County Zoning Article 3, 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
- Wastewater System Evaluations & Permitting, quoted and re-checked
- Wastewater System Evaluations & Permitting, quoted and re-checked
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- MF2214 Minimum Standards for Design and Construction of Onsite Wastewater Systems (Kansas statewide rule), quoted and re-checked
- MF2214 Minimum Standards for Design and Construction of Onsite Wastewater Systems (Kansas statewide rule), quoted and re-checked
- Ellis County Zoning Article 8, quoted and re-checked
- K.S.A. 75-1218 — Exemption from construction codes; zoning (Kansas statewide rule), quoted and re-checked
- Ellis County Zoning Article 8, quoted and re-checked
- 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.