3 county-level rules, plus city-specific rules for 2 cities in Travis County, Texas.
Verified from official government sources
Travis County has no zoning authority under Texas law and does not impose building setbacks in unincorporated areas. Setbacks are governed by recorded subdivision plats and HOA CCRs. Structures within Edwards Aquifer recharge zone must meet TCEQ 30 TAC §213 buffer distances from sensitive features (300 feet from caves, sinkholes).
Travis County imposes no general height limits on structures in unincorporated areas due to lack of zoning authority. Height restrictions come from subdivision plats, HOA CCRs, and FAA Part 77 surface requirements near Austin-Bergstrom International Airport and small airports. Lake Travis lakefront heights often limited by view CCRs.
Travis County enforces strict impervious cover limits in the Edwards Aquifer recharge and contributing zones under Chapter 64 of County Code. Recharge zone residential sites limited to 20% impervious cover on lots under 1 acre and 15% on larger lots. Contributing zone allows 25-40% depending on lot size. Non-aquifer rural sites face no county coverage cap.
2 cities in Travis County have their own building setbacks & zoning rules. Each link goes to that city's dedicated page with code citations.
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Travis County Ordinance Hub →