Robertson County, Kentucky has no local building inspector, and Kentucky law does not require a permit, inspection or certificate of occupancy for a single-family dwelling unless a local ordinance says otherwise12. Robertson County has adopted no such ordinance, so an ordinary house, cabin or barn built here goes up without a county building permit. Commercial buildings and other non-single-family construction are different: with no local inspector, the county's own contact sheet sends that work to the state Department of Housing, Buildings and Construction3. Septic systems always need a permit, issued through the Robertson County Health Department's environmental office4.
At a glance
- Building permit
- Not required for a single-family home; Robertson County has no local building inspector12
- Commercial / non-single-family permit
- Required, issued by the state Dept. of Housing, Buildings and Construction since the county has no local inspector35
- Zoning
- No planning or zoning office is listed on the county's own departments page; no official source confirms a countywide zoning ordinance either way6
- Septic permits
- Robertson County Health Department (Buffalo Trace District Health Department, Environmental Services)47
- Well permit
- No permit or fee for the property owner; the well must be built by a Kentucky-certified driller8
- Owner-builder exemption
- No documented exemption program, because there is no local building-permit program to exempt from9
- Driveway onto a state highway
- Requires a Kentucky Transportation Cabinet entrance permit from the district office10
- Septic soil difficulty
- Only 1.5% of county soils are free of severe limits for a conventional drain field11
Who to call
Septic permits
Robertson County Health Department, Environmental Office (Buffalo Trace District Health Department)
Onsite sewage disposal (septic) site evaluations, construction permits and inspections for Robertson County
45 McDowell Street, Mount Olivet, KY 41064
Building permits
Building permits for commercial and other non-single-family construction in Robertson County, since the county has no local building inspector
Also useful
Robertson County Local Government (County Judge Executive's Office)
General county government; the state's local-inspector sheet directs electrical-inspection questions here
P.O. Box 76, Mt. Olivet, KY 41064
Roads & driveways
Robertson County Road Department
County road questions for driveways onto county-maintained roads
786 Brierly Ridge Road, Mt. Olivet, KY 41064
Roads & driveways
Kentucky Transportation Cabinet, State Highway Department (Robertson County office)
Entrance permits for a new or reconstructed driveway connecting to a state-maintained highway
519 Oakland Road, Mt. Olivet, KY 41064
Contact details are copied from each office’s official page and were checked against it on September 23, 2026.
Do you need a building permit in Robertson County, Kentucky?
Not for a single-family home. Kentucky's residential code says permits, inspections and certificates of occupancy are not required for a single-family dwelling unless a local ordinance requires them122. Robertson County's own official building-inspector sheet lists the Local Building Inspector as "None," confirming the county has not set up an inspection program of its own31. That single-family exception does not cover everything: two-family dwellings, townhouses, commercial buildings and other non-single-family construction still need a permit issued by a local building official or, where the county has none, by the state Department of Housing, Buildings and Construction5. Kentucky fiscal courts do have the legal authority to adopt their own construction regulations and require permits countywide13, but Robertson County's inspector sheet shows it has not exercised that authority for residential construction.
Who handles permits, and non-single-family construction, in Robertson County?
There's no county building department to call for a single-family home, since none is required1. For commercial buildings and other non-single-family construction, Robertson County's state contact sheet routes applicants to the Kentucky Department of Housing, Buildings and Construction rather than a local office14. Electrical work still needs a local inspection: the same state sheet tells builders to contact the County Judge Executive's office or the city office where the work will be performed315. Robertson County's plumbing inspector routes through the state Division of Plumbing under the same statewide fee schedule used everywhere in Kentucky, with a $50 base fee plus $14 per opening on a residential permit16.
Does Robertson County have zoning?
No planning or zoning office appears on Robertson County's own departments and agencies page, which lists the county's other departments (health, emergency management, extension, roads) but no zoning administrator6. That is consistent with Robertson County being Kentucky's smallest county by population, but no official Robertson County source directly states one way or the other whether a zoning ordinance is on the books, so treat this as unconfirmed rather than a guarantee6. Kentucky law lets any county's fiscal court adopt zoning once it completes the required comprehensive-plan steps17, so a reader should not assume Robertson County can never adopt rules later. Because no zoning ordinance, setback rule or minimum-lot-size rule is confirmed for the county, this guide cannot tell you whether an RV, tiny home, manufactured home or accessory dwelling is restricted here — call the County Judge Executive's office before you plan around an assumption of "no rules"15.
How do septic permits work in Robertson County?
Every onsite sewage disposal system in Kentucky needs a construction permit before any part of it is built, issued only after a site evaluation18. In Robertson County that permit comes from the Robertson County Health Department's environmental office, which is run as part of the Buffalo Trace District Health Department, serving both Mason and Robertson counties47. Soils here are difficult: only 1.5% of Robertson County's land is free of severe limitations for a conventional septic drain field, so budget for a site evaluation early and expect many lots to need an engineered or alternative system11. A certified inspector must inspect the installation before it's backfilled, and the permit expires one year after issuance unless the state Cabinet grants an extension19. If a public sewer is unavailable, Kentucky's plumbing code requires the house drain to connect to an approved private sewage disposal system instead20. The health district's website and the state's inspector-contact sheet give different weekly office hours for the Robertson County environmental office, so call ahead to confirm before you drive out21.
Can you live in an RV or tiny home on your land in Robertson County?
No official Robertson County or Kentucky source located during this research states a countywide rule for or against long-term RV, tiny-home or manufactured-home occupancy on private land in Robertson County. Kentucky's unlawful-camping statute only addresses sleeping in a vehicle on a public road or lot for under twelve hours, which answers a different question than long-term living on your own land and should not be read as permission22. With no confirmed zoning ordinance or minimum dwelling-size rule for the county, don't assume "no zoning office" means "no restriction" — call the County Judge Executive's office to ask directly before you buy or move in156.
Building a home in Robertson County: the steps, in order
First, confirm your plans meet the Kentucky Residential Code; no county permit is required for a single-family home, but the code itself still applies even without local inspection23. Second, get a septic site evaluation from the Robertson County Health Department's environmental office as early as possible, since most of the county's soils have severe limits for a conventional drain field, then apply for your onsite sewage disposal construction permit before any system work begins211119. Third, arrange your electrical inspection through the County Judge Executive's office or the applicable city office, since Kentucky requires an electrical certificate before permanent utility connection151. Fourth, if you're installing plumbing, pull the state plumbing permit through the Division of Plumbing; homeowners may pull their own permit for their personal residence24. Fifth, if your driveway connects to a state-maintained highway, apply for an entrance permit with the Kentucky Transportation Cabinet's district office before construction2510. If a well is part of the plan, hire a Kentucky-certified water well driller; the property owner needs no separate permit or fee8.
What to check before you buy land in Robertson County
Water and septic planning deserve real budget here: annual precipitation runs about 48.1 inches a year, and only 1.5% of the county's soils are free of severe limitations for a conventional septic drain field, so a reliable well and an engineered or alternative septic design are the norm rather than the exception2611. Land is mostly gentle but heavily wooded: 26.4% of the county sits at 15% slope or less and 63.1% is forested, so factor in clearing costs if you want open pasture2728. Confirm whether zoning applies before you commit to a use like RV living, a tiny home, or a second dwelling, since no official source in this research confirms the county has no zoning6. If your access runs to a state highway, budget time for a Kentucky Transportation Cabinet entrance permit before you can build a driveway10. The typical property tax rate runs about 0.7% effectively, with a median annual bill near $828, against a typical home value around $204,207293031.
Watch-outs
- No official source confirms whether Robertson County has adopted a zoning ordinance; the county's departments page simply lists no zoning office, so confirm directly with the County Judge Executive's office before assuming there are no land-use rules6.
- The health district's site and the state's building-inspector sheet list different weekly office hours for the Robertson County environmental (septic) office, so call ahead214.
- No owner-builder exemption is documented because there is no local single-family building-permit program to exempt an owner-builder from9.
Sources
- Kentucky DHBC — Robertson County local building inspector sheet (2026 county census)
- 815 KAR 7:125 Kentucky Residential Code, quoted and re-checked
- Robertson County Building Inspection Contacts, quoted and re-checked
- Buffalo Trace District Health Department — Environmental Services (2026 county census)
- KRS 198B.060 Local enforcement of Uniform State Building Code, quoted and re-checked
- Robertson County, KY official departments & agencies page (2026 county census)
- Onsite Sewage Disposal Systems Program, quoted and re-checked
- Water Well Information for Home Owners, quoted and re-checked
- (2026 county census)
- Permits Branch, quoted and re-checked
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- 815 KAR 7:125, Kentucky Residential Code (Kentucky statewide rule), quoted and re-checked
- KRS 67.380 — Authority of fiscal court to regulate construction of buildings (Kentucky statewide rule), quoted and re-checked
- Kentucky Department of Housing, Buildings and Construction (commercial and non-single-family construction) (dhbc.ky.gov)
- Robertson County Local Government (County Judge Executive's Office) (robertsoncounty.ky.gov)
- Division of Plumbing Fee Change and Permit Information (Kentucky statewide rule), quoted and re-checked
- KRS 100.201 — Interim and permanent land use regulations authorized (Kentucky statewide rule), quoted and re-checked
- 902 KAR 10:110. Issuance of on-site sewage disposal system permits (Kentucky statewide rule), quoted and re-checked
- 902 KAR 10:085 Kentucky on-site sewage disposal systems, quoted and re-checked
- 815 KAR 20:130 House sewers and storm water piping, quoted and re-checked
- Robertson County Health Department, Environmental Office (Buffalo Trace District Health Department) (robertsoncounty.ky.gov)
- KRS 511.110 — Unlawful camping (Kentucky statewide rule), quoted and re-checked
- 815 KAR 7:120 Kentucky Building Code (Kentucky statewide rule), quoted and re-checked
- Division of Plumbing Fee Change and Permit Information (Kentucky statewide rule), quoted and re-checked
- Kentucky Transportation Cabinet, State Highway Department (Robertson County office) (robertsoncounty.ky.gov)
- Annual precipitation: Bolthole Index county data
- Share of land at 15% slope or less: Bolthole Index county data
- Wooded share of land: Bolthole Index county data
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
- Typical home value (Zillow): Bolthole Index county data
Written September 23, 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.