Clark County, Kentucky requires building permits and regulates land through its county zoning code.12 The joint Winchester-Clark County Building Inspections office issues permits throughout Clark County, while the Clark County Health Department handles onsite septic applications and evaluations.34
At a glance
- Building permit
- Required; contact Building Inspections before work starts13
- Zoning
- County zoning applies in unincorporated Clark County2
- Septic
- Permit and site evaluation required through the local health department56
- RV living
- Not allowed on a lot in a residential zone7
- Tiny home
- No specific occupancy rule confirmed; ask Planning about the parcel's district89
- Owner-builder
- No general local exemption confirmed; homeowners may obtain plumbing permits for their own residences10
- Agricultural buildings
- A conditional zoning exemption applies to land used solely for qualifying agricultural purposes11
- Private wells
- Use a Kentucky-certified water-well driller; no separate owner-applied permit was confirmed12
Who to call
Building permits
Winchester-Clark County Building Inspections
Building, electrical and demolition permits, plan review, and inspection scheduling throughout Clark County
32 Wall Street, P.O. Box 40, Winchester, KY 40392
Planning & zoning
Winchester-Clark County Planning & Community Development
Zoning, subdivision review, planning, and floodplain management for Winchester and Clark County
32 Wall Street, P.O. Box 40, Winchester, KY 40392
Septic permits
Clark County Health Department Environmental Office
Onsite sewage site evaluations, applications, permits and inspections in Clark County
273 Shoppers Drive, Winchester, KY 40391
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 Clark County, Kentucky?
Yes. Clark County says a building permit is required for construction involving the construction, repair, movement, removal or demolition of a building or structure.1 The Building Inspections office says it issues building permits for structures of 200 square feet or larger throughout Clark County, and it also issues electrical and demolition permits and reviews plans.3
Electrical, plumbing and mechanical work requires a separate permit for each trade, and the building-permit price is based on construction cost rather than a single flat fee.13 Work may not legally begin before the permit has been obtained and placed at the work site.3 A narrow exception applies to land used solely for qualifying agricultural purposes, but floodplain regulation and highway-protection setbacks can still apply to agricultural structures.11
Who issues building permits in Clark County, Kentucky?
Winchester-Clark County Building Inspections issues building permits throughout Clark County from 32 Wall Street in Winchester.3 The office also handles electrical and demolition permits, reviews plans and schedules inspections by phone or email.3 Inspection requests should be submitted at least 24 hours ahead.3
Planning & Community Development is the companion office for zoning, subdivision and floodplain questions; it administers the joint zoning, subdivision and floodplain-management rules for Winchester and Clark County.9 Contact Planning before designing around an assumed use, setback or lot standard because Clark County publishes several zoning districts with district-specific use and dimensional rules.8 Building-permit fees depend on construction cost, while electrical, plumbing and mechanical work each needs a separate trade permit.13
Does Clark County, Kentucky have zoning?
Yes. Clark County has a county zoning code, and the zoning map divides unincorporated Clark County into districts.2 The published districts include agricultural, residential, business, industrial, mobile-home, planned-development and crossroads-community categories, among others.8 A parcel's district controls its allowed uses and dimensional standards, so obtain the zoning designation from Planning before treating rural land as unrestricted.8
Clark County's reviewed materials did not confirm universal figures for minimum lot size, dwelling size, setbacks, lot coverage or building height. Ask Planning for the standards tied to the parcel's exact district and proposed use.9 Qualifying land used solely for agriculture has an exception from building permits, certificates of occupancy, height, yard, location and court requirements for agricultural buildings, but highway setbacks and full floodway or floodplain regulation may still apply.11
How do septic permits work in Clark County, Kentucky?
The Clark County Health Department Environmental Office administers onsite-sewage work locally.4 Start with a site evaluation, which determines the suitable system type and size, then obtain the septic permit before any portion of the system is built.65 Applications are obtained in person at 273 Shoppers Drive in Winchester, and the published onsite-evaluation fee is $200.6
Every onsite system that is installed, constructed, altered or repaired must be inspected by a certified inspector.14 Only about 2.9% of Clark County soils are rated without severe limits for a conventional septic drain field, so make the evaluation a purchase contingency rather than assuming a conventional layout will work.15 Buildings and mobile homes must connect where water or sewer mains are accessible; otherwise, individual water and sewage systems must satisfy local and state health requirements.16
Can you live in an RV or tiny home in Clark County, Kentucky?
Clark County prohibits using a recreational vehicle for living, sleeping or housekeeping on any lot in a residential zone.7 That rule covers travel trailers, pickup campers, motorized dwellings and tent trailers, among other recreational vehicles.7 The reviewed ordinance did not confirm a general rule for temporary camping outside that specific residential-zone prohibition, so ask Planning about the parcel and proposed duration before arriving with an RV.9
Clark County's reviewed rules did not establish a tiny-home-specific occupancy rule or a universal minimum dwelling size. A tiny home still needs a zoning-district review, the applicable building approval and approved sewage disposal.815 Do not assume that putting a small home on wheels makes it lawful as a residence: the residential-zone RV prohibition turns on recreational-vehicle use for living, sleeping or housekeeping.7
Building a home in Clark County, Kentucky: steps in order
- Ask Planning & Community Development for the parcel's zoning district, allowed residential use, dimensional standards and any subdivision or floodplain review.9
- Arrange the Health Department site evaluation before fixing the house location, because the evaluation determines the suitable onsite-sewage system.6
- Confirm water and sewer availability; accessible mains trigger connection requirements, while an individual system must meet health standards.16
- Submit building plans and obtain the building permit before work starts; obtain separate permits for electrical, plumbing and mechanical work.113
- For a new driveway onto a state highway, apply in writing to the Kentucky Department of Highways District Engineer.17
- Schedule building inspections at least 24 hours ahead, and complete the required septic inspection before the system is covered.318
- Obtain the required certificate of occupancy before using a newly erected or altered structure.19
What should you check before buying land in Clark County?
Verify zoning, road access, flood status, water and sewage feasibility before the due-diligence period ends. Clark County zoning assigns district-specific uses and dimensional rules, while development in an identified Kentucky floodplain requires both state and local floodplain permits.820 Planning & Community Development administers the local floodplain-management ordinance.9
Septic suitability deserves early attention because only about 2.9% of county soils are rated without severe limits for a conventional drain field.15 Clark County receives about 49.3 inches of precipitation annually, and about 67.9% of its land has a slope of 15% or less; neither countywide figure replaces a parcel survey or site evaluation.2122 The effective property-tax rate is about 0.7%, with a median annual bill of about $1,448, but confirm the actual parcel assessment and exemptions before budgeting.2324
Watch-outs
- Do not begin work before the building permit is obtained and on the job site.3
- RV living, sleeping or housekeeping is prohibited on lots in residential zones.7
- A farm-use exception does not remove floodplain regulation or every highway setback.11
- Clark County's official septic page directs onsite applicants to the Environmental Office, but one paragraph mistakenly names Fayette County; confirm Clark County-specific details by phone.6
Sources
- Clark County KY Planning Department FAQ (2026 county census)
- § 155.001 Adoption, quoted and re-checked
- Winchester-Clark County Building Inspections (winchesterky.com)
- Clark County KY Health Department Septic Permits (2026 county census)
- 902 KAR 10:085 Kentucky On-site Sewage Disposal Systems, quoted and re-checked
- Clark County Health Department Environmental Office (clarkhealthdept.org)
- § 155.151 Use and Parking of Recreational Vehicles, quoted and re-checked
- Chapter 155: Zoning Code, quoted and re-checked
- Winchester-Clark County Planning & Community Development (winchesterky.com)
- Division of Plumbing Fee Change and Permit Information (Kentucky statewide rule), quoted and re-checked
- § 155.006 Agricultural Land Use Exceptions, quoted and re-checked
- 401 KAR 6:320. Certification of water well drillers and water well driller assistants (Kentucky statewide rule), quoted and re-checked
- Planning Department FAQs, quoted and re-checked
- 902 KAR 10:085 Kentucky On-site Sewage Disposal Systems, quoted and re-checked
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- § 155.126 Water Supply and Sewage Disposal, quoted and re-checked
- 603 KAR 1:020 Driveway approaches, entrances; construction and maintenance (Kentucky statewide rule), quoted and re-checked
- 902 KAR 10:085. System Installation Inspection (Kentucky statewide rule), quoted and re-checked
- § 155.037 Certificates of Occupancy, quoted and re-checked
- Find Your Flood Zone (Kentucky statewide rule), quoted and re-checked
- Annual precipitation: Bolthole Index county data
- Share of land at 15% slope or less: 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.