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Off-grid site report

Leon County, TX

31.1746, -95.9730 · 394 ft elevation
Read this before you act on anything below. This is my researched starting point for Leon County, TX, 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 rulesLeon County, TX

Zoning & raw-land occupancy
Generally allowedLeon County has no general zoning ordinance, consistent with the Texas baseline that counties lack broad zoning power. Subdivision Regulations adopted by the Commissioners Court apply if you divide land, but living on an existing unplatted tract isn't itself restricted. source
Dwellings, tiny homes & RVs
Varies locallyNo county ordinance banning tiny homes or setting minimum size was found. Subdivision regulations set RV pad standards aimed at RV parks/subdivisions; a single RV or tiny home on private acreage isn't clearly addressed, so confirm with the county. source
Building permits & codes
Unclear - verifyIt's not confirmed whether Leon County has adopted a general residential building-permit ordinance for unincorporated areas. Subdivision regulations mention setbacks, drainage, and floodplain construction standards under state-granted county authority; ask the Commissioners Court directly. source
Septic & composting toilets
Generally allowedLeon County itself administers septic (OSSF) permitting as TCEQ's authorized local agent, with permit instructions posted on the county site. Composting toilets aren't separately addressed, so ask Environmental Health. source
Greywater reuse
Unclear - verifyNo Leon County-specific greywater ordinance was found. Texas generally handles greywater within OSSF/state rules rather than a separate permit, but this isn't confirmed for the county specifically.
Rainwater harvesting
Generally allowedNo Leon County restriction on rainwater harvesting was found, so the permissive Texas state baseline (encouraged by TWDB) applies by default.
Private wells & water rights
Varies locallyWhether a well permit is required depends on if the property sits inside a groundwater conservation district (GCD); it's not confirmed whether any part of Leon County is in a GCD. Check the TWDB's GCD index for the specific address, and note a State Well Report is required from the driller regardless. source
Living disconnected from utilities
Unclear - verifyNo Leon County ordinance requiring utility hookup for occupancy was found in unincorporated areas. Any such requirement would more likely come from a subdivision's private deed restrictions or a municipality's code if inside town limits.

Open the full county page with sources →

Sun30-year normals

Peak-sun hours, annual average
5.2 hrs/day
Worst month (sizes an off-grid array)
4.0 hrs/day
Yearly output per 1 kW of panels
1,460 kWh
JFMAMJJASOND

Weather1991-2020

Precipitation
42 in/yr
Snowfall
0 in/yr
Heating degree days
2,231 (mild)
Frost-free season
Mar 21 to Nov 16

How far help isstraight-line

Hospital
CHI Saint Joseph Health Madison Hospital
16.5 mi
Fire station
Leona Fire Department
1.3 mi
Hardware store
none within range
Grocery
Lacey's Grocery
5.7 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 75850).

Size a solar systemHeat loss & insulationFirewood per winterRainwater harvestGarden sizePanel tilt

Looking at a specific parcel in Leon County, TX?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.
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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 21, 2026; agencies update their layers on their own schedules. Planning data, not a survey or legal advice.

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