Building permits, zoning and land rules in Martin County, Kentucky

At a glance

Building permit

Not required by the state for a single-family dwelling unless a local ordinance requires one; the Martin County exception is unconfirmed¹

Building code

Kentucky's residential code still applies to single-family dwellings, two-family dwellings and townhouses⁴

Zoning

Countywide and municipal zoning status could not be confirmed; ask county administration and the relevant city before relying on a parcel's use⁵

Septic permit

Required after a site evaluation and before construction, installation or alteration³

RV / tiny home living

Long-term RV and tiny-home occupancy rules could not be confirmed; ask county administration and the health department before placement⁵⁶

Owner-builder

No Martin County building exemption was confirmed; homeowners can receive plumbing and septic permits under the applicable rules⁷⁸³

Private well

Well work must be performed by a Kentucky-certified water-well driller or assistant⁹

Floodplain

Development in an identified floodplain requires both state and local floodplain permits¹⁰

Who to call

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 Martin County, Kentucky?

Kentucky's rule does not require a permit, inspection or certificate of occupancy for a single-family dwelling unless a local ordinance requires one.¹² Martin County's available department information does not settle whether such a local ordinance applies, so confirm the parcel and project with Martin County Fiscal Court before ordering materials.¹¹¹² A missing permit requirement would not waive the construction standard: Kentucky's residential code governs single-family dwellings, two-family dwellings and townhouses.⁴ Where no single-family inspection program exists, the builder must still meet that code, while Kentucky HVAC and the local electrical inspector continue to inspect the mechanical systems.¹³ Plumbing is separate as well: construction, installation or alteration requires a plumbing construction permit, and a homeowner may receive that permit for work in the homeowner's own personal residence.⁸

Who handles Martin County building permits and inspections?

Martin County's listed departments do not identify a dedicated local building-inspection or planning department, so Martin County Fiscal Court is the practical first call to confirm whether a local ordinance, city rule or inspection program applies to the site.¹¹¹² Ask specifically about the property's jurisdiction, the proposed occupancy, electrical inspection, HVAC inspection, plumbing approval and any local floodplain coordinator. Kentucky counties may adopt construction regulations and a permit system by county order or resolution, which is why the local-ordinance question matters even though the state rule exempts a single-family dwelling by default.¹⁴¹⁵ For an access question involving a county road, contact Martin County Road & Bridge.¹⁶ For a new driveway that connects to a Kentucky highway right-of-way, the owner or occupant must apply in writing to the state Department of Highways District Engineer.¹⁷

Does Martin County have zoning?

We could not confirm a countywide Martin County zoning ordinance, zoning map or district schedule from the available official material. The county's department listing does not show a planning or zoning department, but that omission alone does not prove that every parcel is unzoned.⁵ Kentucky law allows fiscal courts and other legislative bodies within a planning unit to enact zoning and other growth-management regulations after the required comprehensive-plan elements are adopted.¹⁸ Before treating rural land as available for an RV, tiny home, manufactured home, accessory dwelling, business or agricultural structure, ask Martin County Fiscal Court whether the parcel is inside a planning unit and ask the relevant city if the address lies within municipal limits.¹²⁵ We also could not confirm local minimum dwelling size, lot size, setback, lot-coverage or building-height standards, so a seller's description of land as unrestricted should not substitute for a parcel-specific answer from the governing office.⁵

How do septic permits work in Martin County?

The Martin County Health Department handles on-site sewage inspections and permitting.⁶¹⁹ A site evaluation comes first, and the construction permit must be obtained before any part of a new, altered or replacement on-site sewage system is built.³ Every system that is installed, constructed, altered or repaired must be inspected by a certified inspector.²⁰ Plan the soil work early: none of the mapped county soils are rated free of severe limitations for a conventional septic drain field, so a site evaluation may point toward a design other than a conventional field.²¹ If public sewer is unavailable, the house drain must connect to an approved private sewage-disposal system.²² The permit record does not establish permission for an unapproved composting toilet, greywater discharge, cesspool or straight pipe; ask the health department what sanitation design it will approve for an off-grid project.²³¹⁹

Can you live in an RV or tiny home in Martin County?

We could not confirm a Martin County rule that allows or prohibits long-term RV occupancy, temporary camping or tiny-home occupancy on private land. The statewide unlawful-camping provision only protects temporary sleeping in a lawfully parked vehicle on a public road, street or parking lot for less than twelve hours; it does not authorize long-term RV living on private property.²⁴ For a tiny home, the key questions are how the structure is classified, whether it is fixed to the land, which residential or manufactured-home rules apply, and whether a local ordinance requires permits or inspections. Kentucky's residential code governs covered dwellings even when a single-family permit is not required.⁴¹ Before moving either type of unit onto a parcel, ask Martin County Fiscal Court about land-use and floodplain approval, and ask the Martin County Health Department to approve the sewage plan.¹²¹⁹³

Building a home in Martin County: the steps, in order

1. Give Martin County Fiscal Court the parcel location and project description, then ask whether a local building ordinance, inspection program, zoning rule or floodplain review applies.¹²¹¹⁵

1. Check the flood map before disturbing the site; development in an identified floodplain requires both a Kentucky permit and a local floodplain permit.¹⁰

1. Arrange the health department's site evaluation, then obtain the septic construction permit before building any portion of the system.¹⁹³

1. Obtain the required plumbing permit, and line up the electrical and HVAC inspections that can apply even where no single-family building-inspection program exists.⁸¹³

1. If access connects to a state highway, submit the written driveway application to the Department of Highways District Engineer; ask Martin County Road & Bridge about access involving a county road.¹⁷¹⁶

1. Build to the Kentucky Residential Code and keep approvals, inspection records and system drawings with the property file.⁴

What should you check before buying land in Martin County?

Start with buildability rather than the listing description. Only about eleven percent of Martin County land is at a slope of fifteen percent or less, while about ninety-five percent is wooded, so verify the homesite, driveway grade, clearing area and septic location on the ground.²⁵²⁶ Conventional septic conditions are especially important because none of the mapped soils are rated free of severe drain-field limitations.²¹ Check the flood map and budget for both state and local permits if the proposed work is in an identified floodplain.¹⁰ Confirm whether the access meets a county road or state highway because a new state-highway driveway requires a written application.¹⁷ For water, use a Kentucky-certified driller for construction, alteration, repair or abandonment of a supply well.⁹ Finally, verify zoning, subdivision status and easements with county administration rather than assuming the absence of a listed planning department means the parcel has no restrictions.⁵¹²

Watch-outs

• A single-family permit is exempt under the state rule only unless a local ordinance requires one; Martin County's local-ordinance status could not be confirmed.¹
• Every mapped soil in the county is rated as having severe limitations for a conventional septic drain field, so get the health department's site evaluation before choosing a house location.²¹¹⁹
• Development in an identified floodplain needs both state and local floodplain permits, even if no ordinary single-family building permit applies.¹⁰¹

Sources

1. 815 KAR 7:125, quoted and re-checked
2. 815 KAR 7:125, quoted and re-checked
3. 902 KAR 10:085 Kentucky on-site sewage disposal systems, quoted and re-checked
4. 815 KAR 7:125, quoted and re-checked
5. Martin County KY Departments & Agencies (2026 county census)
6. Martin County Health Department - On-Site Sewage (2026 county census)
7. (2026 county census)
8. Division of Plumbing Fee Change and Permit Information (Kentucky statewide rule), quoted and re-checked
9. 401 KAR 6:320. Certification of water well drillers and water well driller assistants (Kentucky statewide rule), quoted and re-checked
10. Find Your Flood Zone (Kentucky statewide rule), quoted and re-checked
11. Martin County KY Departments & Agencies (2026 county census)
12. Martin County Fiscal Court (martincountyky.com)
13. Department of Housing, Buildings and Construction, quoted and re-checked
14. KRS 67.380 — Authority of fiscal court to regulate construction of buildings (Kentucky statewide rule), quoted and re-checked
15. 815 KAR 7:125, Kentucky Residential Code (Kentucky statewide rule), quoted and re-checked
16. Martin County Road & Bridge (martincountyky.com)
17. 603 KAR 1:020 Driveway entrance approaches, quoted and re-checked
18. KRS 100.201 — Interim and permanent land use regulations authorized (Kentucky statewide rule), quoted and re-checked
19. Martin County Health Department (martinhealthky.gov)
20. 902 KAR 10:085 Kentucky on-site sewage disposal systems, quoted and re-checked
21. Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
22. 815 KAR 20:130. House sewers and storm water piping; methods of installation (Kentucky statewide rule), quoted and re-checked
23. 815 KAR 20:130. House sewers and storm water piping; methods of installation (Kentucky statewide rule), quoted and re-checked
24. KRS 511.110 — Unlawful camping (Kentucky statewide rule), quoted and re-checked
25. Share of land at 15% slope or less: Bolthole Index county data
26. Wooded share of land: 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.