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Travis County, TX Fire Regulations: Wildfire Zones (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Governing chapter
Travis County Code Ch. 482, Subdivision Standards
Default access requirement
Two streets to two different external roads
Single-access fire test
Must avoid NFPA 299 high wildfire-rated land
Single-access length cap
2,000 feet, max 30 homes served
Minimum paved width
36 feet near external intersection
Criminal penalty
Class B misdemeanor for knowing violation

Summary

Unincorporated Travis County requires every new subdivision to have two independent access streets connecting to different external roads. A single access street is allowed only if the road avoids high-wildfire-rated land and meets strict width and length limits, tying wildfire risk directly to plat approval.

City-specific rules exist: Austin has its own wildfire zones rules that differ from Travis County's county-level regulations. If you live in Austin, check the city-specific page instead.

a new subdivision must have at least two access streets; and each of the two access streets must connect to a different external street. A new subdivision may have one access street if the County Executive determines that: the access street: does not cross an area having a high wildland fire protection rating determined in accordance with the National Fire Protection Association Bulletin NFPA 299, Protection of Life and Property from Wildfire, 1992...has a paved width of at least 36 feet from the intersection of the access street with the external street for a distance of 100 feet if the single access is a shoulder section of 50 feet if the single access street has curb and gutter; and the access street: is not more than 2,000 feet in length, and provides access to not more than 30 single-family residential dwellings

Full Breakdown

Travis County Code Sec. 202(e), the Dual Access rule inside the county's subdivision (platting) standards, sets the baseline: a new subdivision must have at least two access streets, and each must connect to a different external street. The County Executive can approve a single access street only if it does not cross land carrying a high wildland fire protection rating under National Fire Protection Association Bulletin 299 (1992), is not flooded more than nine inches in specified storm events, has a paved width of at least 36 feet near the intersection, and either runs no more than 2,000 feet while serving no more than 30 single-family homes or functions at Level of Service C or better as an arterial or collector.

Even where those thresholds are met, Commissioners Court can still require a second access after weighing fire and flood safety, topography, density, and whether traffic through the subdivision should be limited. Because Travis County has no zoning power under Texas law (counties regulate land through Local Government Code Chapter 232 platting, not Chapter 211 zoning), this access-street standard, not a mapped 'wildfire zone,' is the mechanism that actually controls development in the county's fire-prone hill country. The rule sits inside Chapter 482, Subchapter B, Subdivision Standards, and applies countywide outside city limits and city ETJs, where a municipality's own subdivision rules can control instead.

Right-of-way minimums under the same section run from 50 feet for curb-and-gutter streets up to widths set by the metropolitan transportation plan for major thoroughfares, all factored into how a wildfire-area subdivision is laid out before a plat can record.

Violations & Fines

Subdivision standards violations, including a plat that ignores the dual-access/wildfire-rating requirement, can be enjoined or result in the County recovering the cost of bringing the development into compliance under Texas Local Government Code Sec. 232.005. A knowing or intentional violation of the standards is a Class B misdemeanor. In practice, noncompliant layouts are stopped earlier: the Transportation and Natural Resources Department and County Executive can refuse to approve a preliminary plan or final plat that fails the access-street test, which blocks recording and any building permits tied to the plat.

Frequently Asked Questions

Does Travis County map official wildfire zones?
No. Texas counties have no general zoning authority, so Travis County does not maintain a mapped wildfire-hazard zoning overlay. Instead, Code Sec. 482.202(e) folds wildfire risk into subdivision road design, using the NFPA 299 wildland fire protection rating to decide whether a new subdivision can rely on a single access street or must build two.
Can a subdivision in a high-fire-risk area still use one entrance road?
Only if the County Executive finds the road avoids high wildland fire-rated land, meets the flood, width, and length limits in Sec. 482.202(e), and Commissioners Court does not require a second access after weighing fire and flood safety, topography, and density under the same section.
Who enforces this rule and what happens if it is ignored?
The Transportation and Natural Resources Department reviews plats against Sec. 482.202 before approval; Sec. 482.104 lets the County enjoin noncompliant construction, recover abatement costs under Local Gov't Code Sec. 232.005, and charge a Class B misdemeanor for a knowing violation.
Does this apply inside Austin's ETJ areas of Travis County?
Where land sits in a municipality's extraterritorial jurisdiction, that city's own subdivision rules can govern instead of, or alongside, the county's; Sec. 482.202(b) points to the metropolitan transportation plan and city concurrence for street classification in the ETJ.

Sources & Official References

Other rules in Travis County

All Travis County rules

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