Off-grid site report
Fisher County, TX
32.7455, -100.3775 · 1,969 ft elevationRead this before you act on anything below. This is my researched starting point for Fisher 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 rulesFisher County, TX
Zoning & raw-land occupancy
Unclear - verifyTexas counties generally lack home-rule zoning authority over unincorporated land, and no Fisher County zoning ordinance was found. Incorporated towns like Roby, Rotan, or Sylvester might have their own rules, not confirmed. source
Dwellings, tiny homes & RVs
Unclear - verifyTexas counties have limited post-2009 authority to set residential construction standards in unincorporated areas, but no Fisher County adoption of such standards was found. Ask Fisher County government directly.
Building permits & codes
Unclear - verifyNo statewide building code exists in Texas and no Fisher County building-permit program was confirmed; permit issuance found in research points to municipal town halls, not the county. source
Septic & composting toilets
Generally allowedStatewide, OSSF systems require a TCEQ-governed permit under 30 TAC Chapter 285, with a small-acreage exemption for single-family homes on 10+ acres meeting setback rules. Whether Fisher County or the TCEQ regional office issues the permit locally is not confirmed. source
Greywater reuse
Unclear - verifyNo separate greywater permit exists; it's addressed within the state OSSF framework and no Fisher County-specific rule was found.
Rainwater harvesting
Generally allowedRainwater harvesting is encouraged at the state level in Texas, and no Fisher County restriction was found.
Private wells & water rights
Unclear - verifyTexas follows the rule of capture for groundwater unless the land falls within a groundwater conservation district (GCD); whether Fisher County is inside a GCD was not confirmed, check the TCEQ district locator. source
Living disconnected from utilities
Unclear - verifyNo state or Fisher County law was found requiring connection to electric, water, or sewer utilities; any such rule would likely apply only within incorporated town limits, not confirmed.
Sun30-year normals
- Peak-sun hours, annual average
- 6.0 hrs/day
- Worst month (sizes an off-grid array)
- 4.9 hrs/day
- Yearly output per 1 kW of panels
- 1,684 kWh
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Weather1991-2020
- Precipitation
- 25 in/yr
- Snowfall
- 4 in/yr
- Heating degree days
- 2,803 (mild)
- Frost-free season
- Mar 30 to Nov 8
How far help isstraight-line
- Hospital
Fisher County Hospital - 7.0 mi
- Fire station
Roby Volunteer Fire Department - 0.2 mi
- Hardware store
White's Hardware - 9.0 mi
- Grocery
Glen's Thriftway - 9.2 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 79543).
Size a solar systemHeat loss & insulationFirewood per winterRainwater harvestGarden sizePanel tilt
Looking at a specific parcel in Fisher 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.