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

Unincorporated Smith County appears not to require a county building permit, and the county lists no building-permit, inspection or code-enforcement office¹. Smith Center is different: within city limits, a separate permit is required before erecting, constructing, enlarging or improving a building or structure, while specified finishing work, sidewalks, patios and redecorating are exempt and fences require permits³. The city has adopted building provisions, but the current standard code incorporated by reference could not be identified from the available codification^8,9. Covered Smith Center work is inspected at the layout and foundation stages and again at completion³. An owner who personally builds a permanent home for the owner's own use inside Smith Center may do so only with a permit, an inspection and the Building Inspector's satisfaction as to the owner's ability, and may hire help only from city-licensed builders³. A certificate of approval records inspections and corrections for completed permitted work, and an owner doing qualifying work personally must receive one³.

Smith County has no listed county building department for unincorporated construction, and building permits inside Smith Center come from the city rather than the county, so the Smith County Clerk is the practical first call for a parcel-specific land-use question^1,3,6. The Clerk's office is at 218 S. Grant, Smith Center, KS 66967, phone 785-282-5110, and email clerk@smcoks.com⁶. The Smith County Health Department is at 119 S. Main, Smith Center, Kansas 66967, phone 785-282-6656, and provides wastewater-disposal and private-well forms plus onsite inspection through its sanitarian⁴. Smith County Road and Bridge is at 318 E Francis St., Smith Center, KS 66967, phone 785.282.5120, for questions involving county roads, bridges, drainage or culverts¹⁰. A driveway onto the Kansas state highway system requires Kansas Department of Transportation approval before work begins in the state right-of-way¹¹.

County zoning is not indicated for unincorporated Smith County, although no explicit county resolution confirming its absence was located; ask the Smith County Clerk to verify the current status for a specific parcel^1,6. Smith Center has its own municipal zoning, adopted as Ordinance 866 and available from the City Clerk; it does not establish a zoning rule outside the city^2,12. Where Kansas county zoning has been adopted, agricultural land and buildings used only for agricultural purposes are exempt, except from floodplain regulations^7,13. Kansas law makes lot size, setbacks, lot coverage and building height depend on the applicable local zoning classification rather than statewide dimensions^14,15. Subdivision and qualifying survey plats still receive county surveyor or designated-surveyor review before recording, even where ordinary zoning is not indicated¹⁶.

Smith County Health Department issues septic permits under the Smith County Sanitary Code and offers a wastewater application/permit form and onsite inspection through its sanitarian^4,17. A completed application and plans go to the Health Department before construction, and the sanitarian has 30 working days to accept or deny; after approval the installer must give 24 hours' notice before starting work, and the system must be inspected before it is covered⁴. The fee is $600 when the application arrives before installation starts, and an administrative fee of $200 applies if a system is covered before inspection without approval or work starts without notice⁴. Kansas allows domestic wastewater to go to an approved collection system, lagoon, septic system, alternative system or permitted treatment plant; that statewide rule does not prove that every parcel must connect to a public sewer⁵. Off-grid sanitation can therefore use a properly designed and maintained approved onsite system or lagoon, subject to the county code and state standards⁵. Seepage pits, cesspools and dry wells are prohibited for domestic wastewater disposal⁵. The Health Department also lists a Private Well Construction Permit form and onsite-well inspection, but we could not confirm when the county requires that permit; ask the sanitarian before drilling⁴.

We could not confirm an RV-occupancy, tiny-home, manufactured-home or minimum-dwelling-size rule for unincorporated Smith County; ask the Smith County Clerk for the rule that applies to the parcel⁶. The apparent absence of county zoning does not by itself establish that long-term RV or tiny-home occupancy is allowed¹. Any occupied home still needs an approved wastewater arrangement, such as an approved septic system, lagoon, alternative system or permitted treatment plant⁵. Manufactured homes remain subject to any applicable city or county zoning, although Kansas law limits a local government's ability to exclude them across its entire zoning jurisdiction¹⁸. Inside Smith Center, municipal zoning and city building provisions apply instead of the rural county answer^2,9.

1. Ask the Smith County Clerk to confirm whether any county zoning, setback, floodplain or subdivision rule applies to the parcel⁶.
2. Confirm the road authority; contact Road and Bridge for county-road access, or obtain a Kansas Department of Transportation permit before working on a state-highway right-of-way^10,11.
3. Take the well and wastewater plan to the Smith County Health Department and obtain the forms and approvals the sanitarian says apply⁴.
4. Use an approved wastewater system and rule out seepage pits, cesspools and dry wells⁵.
5. If the parcel is in Smith Center, secure the city building permit before covered work, schedule required inspections and obtain approval at completion³.
6. If regulated fill is proposed in a designated stream or mapped floodplain, obtain the required state floodplain permit and check for additional local approvals¹⁹.

About 41.6% of Smith County soils avoid severe limits for a conventional septic drain field, so a site evaluation matters even though much of the county may be workable²⁰. About 98.8% of the land has a slope of 15% or less, and about 4% is wooded²⁰. Annual precipitation is about 26 inches, while severe drought occurs in about 13.2% of years, making well yield and water planning worth resolving before closing²⁰. Population density is about 4 people per square mile, and the nearest city of 100,000 or more is roughly 132 miles from the county center²⁰. Farmland value averages about $2,263 per acre, and the effective property-tax rate is about 1.7%, with a median annual bill of about $1,503²⁰. Confirm wastewater and well feasibility with the Health Department and legal access with the appropriate road authority before buying^4,10.