Texas · Off-grid & homestead potential
Frio County scores 61/100 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: thin water margin (24.2″/yr rainfall) and elevated mid-century heat, water, rain, or wildfire exposure.
Found land here? Start a Property Hunt →County locator
Evidence strength: 97%. This reports direct-source completeness and fallback use; it is separate from the score and is not a confidence interval. How it works →
Scout Frio County
Camp here before you commitBook a few nights nearby on Hipcamp →Already own land here?Earn money hosting campers — get $100 when you become a Hipcamp host →Some links are affiliate or referral links — we may earn a commission, at no cost to you.
Property hunt
Search live inventory elsewhere, then cost and vet each candidate here. No copied listings, account, or paid data feed.
Each button opens a current land search for Frio County. Listing sites control their own results and filters.
Use rough quotes or placeholders. Blank fields count as $0.
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.
Before an offer
Saved properties and checklist progress stay on this device. Bolthole Index does not receive them.
What it takes to build here — permits, zoning, and septic — scouted from Frio County’s own official sources.
Under Texas Local Government Code Ch. 233, counties cannot mandate residential building permits for single-family homes in unincorporated areas; Frio County has no published county building-permit program.
Bexar County (official) - County Building Permit Authority FAQ (Texas statewide statute) ↗Texas counties generally have no zoning authority in unincorporated areas (Local Gov Code); Frio County publishes no county zoning ordinance.
Bexar County (official) - County Land-Use/Zoning Authority FAQ (Texas statewide statute) ↗Septic (OSSF) systems in Texas are regulated under 30 TAC Ch. 285; Frio County acts as the local authorized agent issuing OSSF permits (county publishes an OSSF/Septic System Permit form).
TCEQ - Getting a Permit for an OSSF (Septic System) ↗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 Frio County (County Judge / Road & Bridge / OSSF program) before you buy or build. Scouted Jul 2026 from official county sources.
Frio County scores 61/100 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: thin water margin (24.2″/yr rainfall) and elevated mid-century heat, water, rain, or wildfire exposure.
Frio 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 Frio County (TCEQ-authorized OSSF agent); TCEQ Region 13 where no local agent. Rules change and cities within the county differ — always confirm with the county before you buy or build.
Land in Frio County runs about $2,702 per acre, based on the latest county data.
Frio County gets about 24.2" of rain a year, with severe drought in roughly 30.7% of years.
A representative private-land location has about 5,161 people within a 30-minute drive and 3,383,860 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 Frio County means bringing your own water and power. The kit we’d start with:
These are affiliate links — we may earn a commission, at no cost to you.
