Off-grid site report

Seminole County, OK

35.2469, -96.6539 · 965 ft elevation
Read this before you act on anything below. This is my researched starting point for Seminole 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 rulesSeminole County, OK

Zoning & raw-land occupancy
Unclear - verifyNo countywide zoning ordinance was found for unincorporated Seminole County. The City of Seminole maintains its own zoning code, but that applies only inside city limits; unincorporated land may have no zoning administration, but this is not confirmed on an official county page. source
Dwellings, tiny homes & RVs
Unclear - verifyNo official Seminole County page addresses tiny homes, RV occupancy, or minimum dwelling size. The City of Seminole's Code Enforcement handles general compliance in-city, but nothing specific was found.
Building permits & codes
RestrictedSeminole County itself is no longer issuing building permits; per the county's own page, permits for unincorporated areas now go through the Oklahoma State Fire Marshal's Office. Inside the City of Seminole, permits are handled by the city's Community Development Office under the 2021 IBC (2020 NEC for electrical). source
Septic & composting toilets
RestrictedSeptic is regulated at the state level. The Seminole County Health Department refers septic questions to the Oklahoma DEQ, which requires a permit, a licensed installer, and a DEQ-licensed soil evaluation before installation; no county-specific septic ordinance was found. source
Greywater reuse
Generally allowedNo Seminole County ordinance on greywater was found; the state baseline allowing residential greywater reuse for landscape irrigation applies by default.
Rainwater harvesting
Generally allowedNo county-specific rainwater ordinance was found; the state baseline permitting non-potable rooftop rainwater collection applies.
Private wells & water rights
Generally allowedThe Seminole County Health Department refers well questions to the Oklahoma DEQ rather than administering well permitting itself; no added county-level well ordinance was found. source
Living disconnected from utilities
Unclear - verifyNo official Seminole County document states whether unincorporated parcels require grid hookups for occupancy, and it's unclear if the county even has its own occupancy-certificate process now that it doesn't issue building permits. In-city rules may differ but weren't confirmed either.

Open the full county page with sources →

Sun30-year normals

Peak-sun hours, annual average
5.4 hrs/day
Worst month (sizes an off-grid array)
4.1 hrs/day
Yearly output per 1 kW of panels
1,521 kWh
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Weather1991-2020

Precipitation
42 in/yr
Snowfall
4 in/yr
Heating degree days
3,384 (moderate)
Frost-free season
Apr 5 to Nov 2

How far help isstraight-line

Hospital
AllianceHealth Seminole
2.5 mi
Fire station
Paden Volunteer Fire Department
18.6 mi
Hardware store
Quality Hardware
16.0 mi
Grocery
Walmart Supercenter
0.1 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 74868).

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.