Off-grid site report
Jim Hogg County, TX
27.3085, -98.6781 · 577 ft elevationRead this before you act on anything below. This is my researched starting point for Jim Hogg 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 rulesJim Hogg County, TX
Zoning & raw-land occupancy
Unclear - verifyNo general zoning ordinance for unincorporated Jim Hogg County was found; Texas counties generally lack broad zoning power, so this likely inherits the state baseline of no county zoning. The Commissioners Court does hold subdivision-regulation authority. source
Dwellings, tiny homes & RVs
Unclear - verifyNo Jim Hogg County rule on tiny homes, RVs, or dwelling size was found on the county's official site; not confirmed, so confirm directly with the county.
Building permits & codes
Unclear - verifyNo evidence the county has adopted a building code or permit requirement for unincorporated areas; Texas has no statewide building code and county adoption is optional, so this needs direct confirmation from the county. source
Septic & composting toilets
Generally allowedTCEQ, the state agency, regulates septic (OSSF) systems statewide, and exempts single-family homes on 10+ acre tracts from the permit requirement (design standards still apply). It's unconfirmed whether the county or TCEQ's regional office handles permitting locally. source
Greywater reuse
Unclear - verifyNo standalone greywater rule was found for the state or the county; greywater appears to fall under the general TCEQ OSSF framework, so ask TCEQ or the county's designated OSSF authority. source
Rainwater harvesting
Generally allowedNo Jim Hogg County ordinance restricts rainwater harvesting, and Texas generally permits and encourages it at the state level.
Private wells & water rights
RestrictedJim Hogg County lies within the Brush Country Groundwater Conservation District, created by the Texas Legislature in 2009 and confirmed by local voters, which sets well permitting and pumping rules rather than the state's default rule of capture. source
Living disconnected from utilities
Unclear - verifyNo Jim Hogg County ordinance requiring hookup to electric, water, or sewer utilities in unincorporated areas was found; any such rule would more likely come from a town like Hebbronville.
Sun30-year normals
- Peak-sun hours, annual average
- 5.7 hrs/day
- Worst month (sizes an off-grid array)
- 4.5 hrs/day
- Yearly output per 1 kW of panels
- 1,570 kWh
JFMAMJJASOND
Weather1991-2020
- Precipitation
- 24 in/yr
- Snowfall
- 0 in/yr
- Heating degree days
- 1,001 (mild)
- Frost-free season
- Feb 14 to Dec 12
How far help isstraight-line
Service data unavailable for this spot.
Plan this spot
These open with this location's real numbers already filled in (ZIP 78361).
Size a solar systemHeat loss & insulationFirewood per winterRainwater harvestGarden sizePanel tilt
Looking at a specific parcel in Jim Hogg 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.