Unincorporated Ellis County, Kansas requires a county zoning certificate, described as similar to a building permit, before erecting or altering a structure subject to county zoning jurisdiction.1 Municipal building-permit and zoning authority varies by address; the county Environmental Office handles septic permits in unincorporated areas, while county well permits and county-road access follow separate processes.2345
At a glance
- Building permit
- A zoning certificate is required before erecting or altering a structure under county zoning jurisdiction1
- Zoning
- County zoning covers unincorporated areas; municipal zoning may apply inside cities, so the parcel location is decisive62
- Septic
- Environmental Office permit required before construction or modification; application fee is $6037
- Private well
- The Environmental Office permits and supervises new water-supply wells; the permit costs $604
- RV or tiny home
- Guest RV stays are limited to 14 days; RM mobile homes need at least 500 square feet, while tiny-home occupancy remains unconfirmed8910
- Owner-builder
- Kansas exempts qualifying owner-performed roofing from contractor registration, but no general county owner-builder exemption was confirmed1110
- County-road access
- County approval is required for new, additional or modified entrances to Ellis County roads5
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 October 7, 2026.
Off-grid gear
Going off-grid in Ellis County means bringing your own water and power. The kit we’d start with:
- Water Crystal Quest Filter any source — well, rain, or creek — to drinking-clean.
- Power Bluetti Solar generators and home battery backup for living off the grid.
- Septic Soil percolation test kit Run your own perc test before paying an engineer — the first thing a septic office asks about.
- Water Well water test kit Bacteria, nitrates, hardness — know what the well on a parcel is really pumping.
These are affiliate links — we may earn a commission, at no cost to you. As an Amazon Associate, Bolthole Index earns from qualifying purchases.
Do you need a building permit in Ellis County, Kansas?
Unincorporated Ellis County requires a zoning certificate before erecting or altering a structure subject to county zoning jurisdiction, and the county describes that certificate as similar to a building permit.1 We could not confirm a generally adopted county building code, routine building inspections or a certificate-of-occupancy rule for ordinary private construction, so ask the Environmental/Planning & Zoning Office which reviews apply to the parcel and project.10
County zoning conditionally exempts agricultural land and agricultural buildings, but not feedlots or designated floodplain areas.12 The exemption lasts only while the land and buildings remain in agricultural use, and agricultural buildings still face floodplain rules and certain road setbacks.12 Kansas also exempts qualifying owner-performed roofing from contractor registration, but that narrow rule is not a general exemption from county zoning certificates or other reviews.11
Who issues building permits in Ellis County, Kansas?
For unincorporated land, the Ellis County Environmental/Planning & Zoning Office is the first stop for the county zoning certificate that serves as the local building-permit review; forms and materials are available from the Zoning Administrator at 1515 W. 55th St., Hays, KS 67601.113 Inside an incorporated municipality, ask that city which building permit and zoning approval apply because the county does not administer every municipal ordinance.2
A city building permit does not replace the separate county processes that still apply by subject or location: the county Environmental Office issues covered well permits countywide, and Road and Bridge approves entrances onto county roads.45 For unincorporated addresses, the county Environmental Office also handles septic permits, while floodplain review has its own inquiry and possible application.314 A driveway onto the Kansas state highway system instead requires state approval before work in the right-of-way.15
Does Ellis County, Kansas have zoning?
Ellis County zones the unincorporated county, while municipal zoning may apply inside incorporated places; the published materials separately identify Schoenchen and county districts for the unincorporated communities of Antonino, Catharine, Munjor, Pfeifer and Walker.6216 The official map and the parcel's governing jurisdiction therefore control the answer.17
The mapped district controls the numbers. A-1 single-family dwellings generally require 5 acres, with a 2-acre alternative where public water serves the property.18 A-1 single-family lot coverage is capped at 20%, and the road setback is 63 feet from a county-road centerline or 30 feet from the right-of-way, whichever is greater.1920 Height limits also vary by district and use; the cited A-1 rule caps buildings within 150 feet of a residential district at 35 feet.21 Any land division needs County Zoning Administrator approval, with additional acreage and water-source standards for agricultural lot splits.22
How do septic permits work in Ellis County, Kansas?
The Ellis County Environmental Office administers septic permits and related inspections in unincorporated Ellis County.3 A septic permit is required before constructing or modifying a wastewater system, and the application costs $60.7 A site inspection is required before permit approval, and the system must remain uncovered until it is inspected.23 The county also requires a wastewater-system inspection when property ownership transfers within its jurisdiction.23
Only 27.9% of county soils are rated without severe limitations for a conventional septic drain field, so budget for a site-specific evaluation rather than assuming a standard system will work.24 Kansas requires household wastewater to go to an approved septic field, lagoon, alternative system or permitted treatment plant, and bars seepage pits, cesspools, dry wells and surface discharge.25 Private onsite sewerage is available only when public sewer is unavailable and local requirements are satisfied.26
Can you live in an RV or tiny home in Ellis County, Kansas?
Ellis County limits a bona fide guest to living or sleeping in an RV on a residential lot for no more than 14 days.8 County-regulated RV parks require a Conditional Use permit and are seasonal; an individual RV or trailer may not be occupied there for more than 4 continuous months within a 12-month period.8 An auxiliary tent at an RV park or campground is limited to 14 consecutive days.27 These rules do not establish a right to use an RV as a full-time home on a private parcel, so ask Planning & Zoning before relying on one during construction.10
We could not confirm a specific county tiny-home occupancy rule or a general minimum dwelling size.10 In the RM Mobile Home Residential District, each mobile home needs at least 500 square feet of livable floor area, and a manufactured home may not be parked in an RV park or campground.9 Treat a tiny home as a proposed dwelling and confirm its classification, allowed use, setbacks, wastewater and zoning-certificate requirements for the mapped district.16
Building a home in Ellis County, Kansas: what are the steps?
- Ask the Environmental/Planning & Zoning Office to identify the governing jurisdiction, mapped district, residential use, lot standards and floodplain status; inside a city, also ask the city about its building permit and zoning approval.21014
- If land will be divided, obtain County Zoning Administrator approval and confirm the applicable lot-split or plat standards, then obtain the county zoning certificate before erecting or altering a covered structure.221
- For unincorporated land, apply to the Environmental Office for the septic permit before constructing or modifying onsite wastewater; pay the $60 application fee and complete the required inspections.723
- For a new private well, ask the Environmental Office about the county well permit for household, lawn and garden, livestock or geothermal wells; the listed fee is $60.4
- Secure county approval for a new or changed entrance onto an Ellis County roadway, or state approval for an entrance onto a state highway; SR-1 access must also meet Public Works Director specifications.51528
- Ask the governing building or zoning office whether building-code review, trade inspections or occupancy approval applies, because those general requirements could not be confirmed.10
What should you check before buying land in Ellis County?
Identify whether county or municipal zoning governs, then confirm the mapped district, allowed use, lot size, setbacks, coverage, height and subdivision history.21622 Do not assume an agricultural listing makes a future house exempt from zoning; the county exemption is tied to actual agricultural use and excludes feedlots and floodplain areas.12 Complete the county floodplain inquiry before other approvals if development may lie in a floodplain, because floodplain compliance precedes zoning certificates, entrance applications and septic permits.29 Verify access too: Ellis County approval is required for new, additional or modified entrances to county roads.5
For an unsewered tract, budget for site evaluation because only 27.9% of soils are rated without severe limits for conventional drain fields.24 Ask the Environmental Office about a new private well; the listed county well-permit fee for covered well types is $60.4 The effective property-tax rate is about 1.2%, and the median annual property-tax bill is $2,582, but the parcel's assessment and bill can differ.3031
Watch-outs
- A county zoning certificate, described as similar to a building permit, is required before erecting or altering a structure subject to Ellis County zoning jurisdiction.1
- Floodplain compliance must be handled before Ellis County issues a zoning certificate, entrance approval or wastewater permit for an affected project.29
- General county building inspections, certificate-of-occupancy rules and a general owner-builder exemption could not be confirmed; Kansas's confirmed owner-builder exception is limited to qualifying roofing work.1011
- A county-road entrance and a state-highway entrance follow different approval paths.515
Sources
- Planning & Zoning, quoted and re-checked
- Zoning Regulations, quoted and re-checked
- Wastewater System Evaluations & Permitting, quoted and re-checked
- Water Well County Permits, quoted and re-checked
- Ellis County Road and Bridge Division (ellisco.net)
- Zoning Regulations, quoted and re-checked
- Wastewater System Evaluations & Permitting, quoted and re-checked
- Ellis County Zoning Article 8: Supplemental Regulations, quoted and re-checked
- ellisco.net, quoted and re-checked
- Ellis County Environmental/Planning & Zoning Office (ellisco.net)
- K.S.A. 50-6,129. Exemptions (Kansas statewide rule), quoted and re-checked
- Ellis County Zoning Article 3: General Regulations, quoted and re-checked
- Planning & Zoning, quoted and re-checked
- Ellis County Environmental/Planning & Zoning Office (ellisco.net)
- Kansas Administrative Regulations, Volume 3 (Kansas statewide rule), quoted and re-checked
- Zoning Regulations, quoted and re-checked
- Zoning Regulations (2026 county census)
- Ellis County Zoning Article 4: Zoning Districts, quoted and re-checked
- Ellis County Zoning Article 4, quoted and re-checked
- Ellis County Zoning Article 4: Zoning Districts, quoted and re-checked
- Ellis County Zoning Article 4, quoted and re-checked
- Planning & Zoning, quoted and re-checked
- Wastewater System Evaluations & Permitting, quoted and re-checked
- 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
- 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: Supplemental Regulations, quoted and re-checked
- Ellis County Zoning Article 4: Zoning Districts, quoted and re-checked
- Flood Plain Management, quoted and re-checked
- Effective property tax rate: Bolthole Index county data
- 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.