Off-grid site report
Coleman County, TX
31.8310, -99.4245 · 1,719 ft elevationRead this before you act on anything below. This is my researched starting point for Coleman 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 rulesColeman County, TX
Zoning & raw-land occupancy
Unclear - verifyTexas counties generally have no zoning authority in unincorporated areas under Local Government Code Chapter 231, and Coleman County isn't among the counties granted special zoning power. This is the state baseline; no Coleman County page confirms it directly, so treat as presumed, not officially verified.
Dwellings, tiny homes & RVs
Unclear - verifyNo Coleman County ordinance on tiny homes, RVs, or minimum dwelling size was found. Texas has no statewide minimum house size, so this likely defaults to no local restriction, but confirm with the County Judge's office.
Building permits & codes
Unclear - verifyNo building code or permit office was found for Coleman County. Many rural Texas counties don't require building permits in unincorporated areas, but Coleman's specific practice is unconfirmed; ask the Commissioners Court. source
Septic & composting toilets
Generally allowedSeptic (OSSF) systems are regulated statewide under Texas Health and Safety Code Chapter 366 and 30 TAC Chapter 285, administered by TCEQ. Whether Coleman County itself issues OSSF permits or TCEQ's regional office does is not confirmed; default to the TCEQ regional office if no county program is authorized. source
Greywater reuse
Unclear - verifyNo separate greywater permit category exists; greywater is addressed within the same state OSSF rules (30 TAC 285). No Coleman County-specific greywater rule was found.
Rainwater harvesting
Generally allowedNo Coleman County restriction on rainwater harvesting was found, and Texas generally supports rainwater collection for domestic use as a matter of state policy.
Private wells & water rights
Unclear - verifyColeman County appears on a TWDB groundwater conservation district map, but which district (if any) actively covers it isn't confirmed. Outside an active GCD, Texas's default rule of capture applies; confirm GCD status with TWDB before drilling. source
Living disconnected from utilities
Unclear - verifyNo Coleman County ordinance requiring utility hookups in unincorporated areas was found. Such requirements are more likely to exist inside an incorporated town like the City of Coleman under its own municipal code. source
Sun30-year normals
- Peak-sun hours, annual average
- 5.8 hrs/day
- Worst month (sizes an off-grid array)
- 4.3 hrs/day
- Yearly output per 1 kW of panels
- 1,617 kWh
JFMAMJJASOND
Weather1991-2020
- Precipitation
- 29 in/yr
- Snowfall
- 2 in/yr
- Heating degree days
- 2,304 (mild)
- Frost-free season
- Mar 19 to Nov 17
How far help isstraight-line
- Hospital
Coleman County Medical Center - 0.2 mi
- Fire station
Novice VFD - 15.9 mi
- Hardware store
- none within range
- Grocery
Shoppin' Baskit - 0.2 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 76834).
Size a solar systemHeat loss & insulationFirewood per winterRainwater harvestGarden sizePanel tilt
Looking at a specific parcel in Coleman 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.
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 21, 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.