Off-grid site report
Grant County, OK
36.7206, -97.7906 · 1,073 ft elevationRead this before you act on anything below. This is my researched starting point for Grant County, OK, 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 rulesGrant County, OK
Zoning & raw-land occupancy
Unclear - verifyNo official Grant County, Oklahoma zoning ordinance or planning department page was found. Oklahoma county zoning is optional under state law, so it's not confirmed whether Grant County has adopted any; ask the county directly. source
Dwellings, tiny homes & RVs
Unclear - verifyNo Grant County-specific rule on tiny homes, minimum dwelling size, or RV occupancy was found. Oklahoma has no statewide tiny-home law and RV living is typically locally restricted, so this depends on unconfirmed county or town rules.
Building permits & codes
Unclear - verifyOklahoma's Uniform Building Code Commission sets a statewide baseline based on the IRC, but Grant County's adoption or enforcement details were not confirmed in official sources.
Septic & composting toilets
Varies locallyThe Grant County Health Department's own state page directs septic tank questions to the Oklahoma Department of Environmental Quality (DEQ), meaning permitting runs through the state program rather than a distinct county ordinance. source
Greywater reuse
Generally allowedNo Grant County-specific greywater ordinance was found, so the state's general allowance for residential greywater reuse for irrigation applies by default.
Rainwater harvesting
Generally allowedNo Grant County-specific rainwater ordinance was found, so Oklahoma's statewide allowance for rooftop rainwater collection for non-potable use applies by default.
Private wells & water rights
Generally allowedThe Grant County Health Department directs well-related questions to the state DEQ, and Oklahoma generally allows landowners to drill domestic wells without state permitting, though water quality falls under DEQ oversight. source
Living disconnected from utilities
Unclear - verifyNo Grant County certificate-of-occupancy or utility hookup mandate was found. Oklahoma has no statewide grid-connection requirement, but incorporated towns within the county may have their own codes that weren't accessible in this research.
Sun30-year normals
- Peak-sun hours, annual average
- 5.5 hrs/day
- Worst month (sizes an off-grid array)
- 4.1 hrs/day
- Yearly output per 1 kW of panels
- 1,556 kWh
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Weather1991-2020
- Precipitation
- 35 in/yr
- Heating degree days
- 4,560 (moderate)
- Frost-free season
- Apr 20 to Oct 15
How far help isstraight-line
- Hospital
Saint Mary's Regional Medical Center - 23.0 mi
- Fire station
Hawley Volunteer Fire Department - 12.9 mi
- Hardware store
Harbor Freight Tools - 23.9 mi
- Grocery
Jumbo Foods - 21.8 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 73766).
Size a solar systemHeat loss & insulationFirewood per winterRainwater harvestGarden sizePanel tilt
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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.