Off-grid site report
Walker County, TX
30.7140, -95.5684 · 440 ft elevationRead this before you act on anything below. This is my researched starting point for Walker 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 rulesWalker County, TX
Zoning & raw-land occupancy
Varies locallyWalker County has no general zoning ordinance for unincorporated land, consistent with the Texas state baseline, but it requires floodplain development permits and subdivision/plat approval. If your parcel is inside a city or its ETJ, city rules govern instead. source
Dwellings, tiny homes & RVs
Unclear - verifyNo Walker County ordinance was found addressing tiny-home minimum size or long-term RV occupancy on raw land; confirm directly with Planning & Development. source
Building permits & codes
RestrictedNo full adopted building code was found for unincorporated Walker County; the county's confirmed permitting focus is floodplain/development compliance through Planning & Development, plus subdivision and OSSF permits as applicable. source
Septic & composting toilets
Generally allowedSeptic (OSSF) systems are permitted through Walker County's On-Site Wastewater/Environmental Health division under the state's Health and Safety Code Chapter 366 and TCEQ's 30 TAC 285 rules; composting toilets aren't separately addressed and likely fall under the same framework. source
Greywater reuse
Unclear - verifyNo standalone county greywater policy was found; it likely falls under the same OSSF/30 TAC 285 framework, but this is not confirmed. Ask the On-Site Wastewater division. source
Rainwater harvesting
Generally allowedNo Walker County restriction on rainwater harvesting was found; this follows the state's generally permissive baseline, with backflow rules applying only if tied into potable plumbing.
Private wells & water rights
RestrictedWalker County lies within the Bluebonnet Groundwater Conservation District, and all wells must be registered with the district; domestic single-family wells are typically exempt from full permitting but still require registration. Confirm whether Bluebonnet GCD or a separate historical Walker district applies to your parcel. source
Living disconnected from utilities
Unclear - verifyNo Walker County ordinance requiring connection to electric, water, or sewer utilities was found; any such requirement would come from a municipality's code if the parcel is within city limits.
Sun30-year normals
- Peak-sun hours, annual average
- 5.3 hrs/day
- Worst month (sizes an off-grid array)
- 4.0 hrs/day
- Yearly output per 1 kW of panels
- 1,423 kWh
JFMAMJJASOND
Weather1991-2020
- Precipitation
- 49 in/yr
- Snowfall
- 0 in/yr
- Heating degree days
- 1,813 (mild)
- Frost-free season
- Feb 28 to Dec 3
How far help isstraight-line
- Hospital
Huntsville Memorial Hospital - 1.2 mi
- Fire station
Crabbs Prairie Volunteer Fire Department - Station 41 - 5.7 mi
- Hardware store
The Home Depot - 0.8 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 77341).
Size a solar systemHeat loss & insulationFirewood per winterRainwater harvestGarden sizePanel tilt
Looking at a specific parcel in Walker 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.