Texas · Off-grid & homestead potential
Coryell County scores 60/100 on the Bolthole Index, a solid county profile. Its strengths are low administrative friction for a quiet rural property and manageable long-term carry cost. The trade-offs: sparse surroundings — about 23,890 people within a 30-minute drive and workable self-sufficiency basics (34.8″/yr rainfall).
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Evidence strength: 98%. This reports direct-source completeness and fallback use; it is separate from the score and is not a confidence interval. How it works →
Scout Coryell County
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Property hunt
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Working estimate
A planning estimate, not a valuation or contractor quote. The USDA benchmark includes farm land and buildings; it is context, not a parcel comp.
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What it takes to build here — permits, zoning, and septic — scouted from Coryell County’s own official sources.
Under Texas law counties have no legal authority to require permits or inspections for single-family residential construction in unincorporated areas; Coryell County regulates subdivisions and OSSF but not residential building permits.
Bexar County, TX - County authority to require building permits (Texas law) ↗Texas counties generally have no zoning authority in unincorporated areas; Coryell County uses subdivision and OSSF rules rather than zoning.
Bexar County, TX - How is my property zoned in the County (Texas law) ↗The Coryell County OSSF Office permits and inspects all construction, alteration, extension or repair of on-site sewage facilities regardless of tract size, under TCEQ rules (30 TAC Chapter 285).
Coryell County - Environmental / OSSF ↗Not published on an official source — confirm with the county.
Not published on an official source — confirm with the county.
Not published on an official source — confirm with the county.
Not published on an official source — confirm with the county.
Not published on an official source — confirm with the county.
Not published on an official source — confirm with the county.
Always confirm current rules with Coryell County OSSF / Environmental Office before you buy or build. Scouted Jul 2026 from official county sources.
Whether a new home can legally get its own water here — the sub-state groundwater regime, from Texas’s water agency.
This basin is under active state management — new water use is scrutinized, though a domestic well is usually still allowed.
Texas groundwater is governed by the rule of capture; a Groundwater Conservation District must exempt qualifying domestic/livestock wells and may not restrict their production, but well registration and spacing rules can still apply and the exemption does not cover wells serving a platted subdivision.
Limit: Domestic/livestock well exempt from GCD production permitting if on a tract >10 acres AND incapable of producing >25,000 gal/day (Tex. Water Code §36.117)
Texas Water Code §36.117 / TWDB ↗TCEQ-designated Trinity Aquifer critical-groundwater area; drives GCD coverage. Domestic/livestock wells remain exempt but spacing/registration may apply.
TCEQ — Priority Groundwater Management Areas ↗Hybrid state (appropriation + riparian). Groundwater rules change and basin boundaries follow the aquifer, not the county line — confirm current well and appropriation rules with the Texas state water agency before you buy or drill.Groundwater governance as of Jul 2026, cited to each administering agency.
Coryell County scores 60/100 on the Bolthole Index, a solid county profile. Its strengths: low administrative friction for a quiet rural property and manageable long-term carry cost. Watch-outs: sparse surroundings — about 23,890 people within a 30-minute drive and workable self-sufficiency basics (34.8″/yr rainfall).
Coryell County does not require a county building permit for a home in unincorporated areas, and it has no county-wide zoning. Onsite septic is permitted by Coryell County OSSF Office (TCEQ authorized agent). Rules change and cities within the county differ — always confirm with the county before you buy or build.
Land in Coryell County runs about $3,621 per acre, based on the latest county data.
Coryell County gets about 34.8" of rain a year, with severe drought in roughly 30.5% of years. On water rights, Coryell County lies in the Central Texas Trinity Aquifer Priority Groundwater Management Area — TCEQ-designated Trinity Aquifer critical-groundwater area; drives GCD coverage. Domestic/livestock wells remain exempt but spacing/registration may apply..
A representative private-land location has about 23,890 people within a 30-minute drive and 3,720,761 within two hours. The road-network catchments count population across county lines and clusters of smaller cities; straight-line radius values remain available as a comparison.
Off-grid gear
Going off-grid in Coryell County means bringing your own water and power. The kit we’d start with:
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