Off-grid site report
Knox County, KY
36.8666, -83.8874 · 991 ft elevationRead this before you act on anything below. This is my researched starting point for Knox County, KY, not legal advice and not a guarantee. Rules change, and the deciding facts on any specific parcel (setbacks, perc results, overlay districts, deed restrictions, road frontage) live at the county or town office, not in any database. Before you buy land or build, confirm the current rules directly with the local zoning and health offices - the sources on this page tell you exactly who to call.
The local rulesKnox County, KY
Zoning & raw-land occupancy
Unclear - verifyI couldn't find an official Knox County, Kentucky zoning ordinance or planning commission page. Kentucky's zoning enabling law (KRS Chapter 100) makes county zoning optional, and it looks like Knox County may not have adopted a countywide ordinance, but you should confirm with the Knox County Fiscal Court before assuming raw land is unregulated, especially inside Barbourville city limits. source
Dwellings, tiny homes & RVs
Unclear - verifyI found no Knox County rule specifically addressing tiny homes or RV occupancy. This likely falls back to the state residential code baseline, so ask the Knox County local building inspector how tiny homes and RVs are treated for permitting and occupancy.
Building permits & codes
Generally allowedKnox County does have a local building inspector listed on the Kentucky Department of Housing, Buildings and Construction roster, meaning the state's mandatory building code is enforced locally rather than left unaddressed. Contact Wes Finley, the county's building inspector, before you build. source
Septic & composting toilets
Generally allowedThe Knox County Health Department issues on-site sewage disposal permits under state law (KRS 211.350), and a site evaluation must happen before you start construction. Composting toilets aren't separately addressed on their page, so confirm that specifically with the health department. source
Greywater reuse
Generally allowedI didn't find a Knox County-specific greywater ordinance, so this appears to fall back to the Kentucky state greywater regulation, which treats it separately from septic. Worth double-checking with the Knox County Health Department if you're setting up a dedicated greywater system.
Rainwater harvesting
Generally allowedNo Knox County restriction on collecting rainwater for non-potable use turned up in my research, so this seems to just follow the general Kentucky state baseline allowing it.
Private wells & water rights
Generally allowedI found no Knox County ordinance requiring a special well permit. Kentucky's state baseline doesn't require a state permit or fee to drill a private well, but the work needs to be done by a Kentucky Certified Water Well driller.
Living disconnected from utilities
Unclear - verifyNo Knox County ordinance was found mandating grid or municipal utility connection, so full off-grid living isn't confirmed to be prohibited. That said, the Knox County Health Department notes that permanent electric hookup requires prior septic approval, so if you ever want grid power on the property, septic sign-off comes first; confirm details with the health department. source
Sun30-year normals
- Peak-sun hours, annual average
- 4.7 hrs/day
- Worst month (sizes an off-grid array)
- 3.0 hrs/day
- Yearly output per 1 kW of panels
- 1,277 kWh
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Weather1991-2020
- Precipitation
- 51 in/yr
- Snowfall
- 7 in/yr
- Heating degree days
- 4,607 (moderate)
- Frost-free season
- Apr 22 to Oct 19
How far help isstraight-line
- Hospital
Barbourville ARH Hospital - 1.4 mi
- Fire station
Corbin Fire Department - 12.6 mi
- Hardware store
Ace Hardware - 1.1 mi
- Grocery
IGA - 1.1 mi
From OpenStreetMap. Road miles will be longer, often much longer in hill country.
Plan this spot
These open with this location's real numbers already filled in (ZIP 40906).
Size a solar systemHeat loss & insulationFirewood per winterRainwater harvestGarden sizePanel tilt
Looking at a specific parcel in Knox County, KY?The rules above are the jurisdiction. The land check runs the parcel itself: flood zone, soils and septic suitability, wetlands, slope, access, climate, and these verdicts, from a parcel number or coordinates.
Check a parcel →Share or save this report:New report
Sources: US Census Bureau geocoder; NLR PVWatts v8 (solar); NOAA NCEI 1991-2020 climate normals (nearest station) or Open-Meteo (ZIP-centroid) for weather; Open-Elevation; OpenStreetMap contributors. Public data retrieved Aug 22, 2026; agencies update their layers on their own schedules. Planning data, not a survey or legal advice.
New here, or not sure where this fits? Start here walks through the whole thing in order.