Fire Regulations in Twain Harte, CA (2026)
2 verified fire regulations for Twain Harte, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Brush Clearance
California Public Resources Code 4291 requires 100 feet of defensible space around structures in State Responsibility Areas. Most of Twain Harte is in SRA, making Cal Fire defensible-space inspections routine and enforcement strict.
100-Foot Defensible Space Required
Some RestrictionsCalifornia Public Resources Code §4291 — 100-foot defensible space in State Responsibility Area
4291. (a) A person who owns, leases, controls, operates, or maintains a building or structure in the state responsibility area shall at all times do all of the following: (1) (A) Maintain defensible space of 100 feet from each side and from the front and rear of the structure, but not beyond the property line, except as provided in subparagraph (B). The amount of fuel modification necessary sha...
Wildfire Zones
All of Twain Harte falls within the Wildland-Urban Interface, so new construction and major remodels must meet California Building Code Chapter 7A ignition-resistant standards enforced by Tuolumne County Building.
Twain Harte WUI Building Standards
Significant RestrictionsCAL FIRE Office of the State Fire Marshal - Fire Hazard Severity Zones (Cal. Pub. Res. Code Sec. 4201-4204)
The State Fire Marshal is mandated to classify lands within State Responsibility Areas into Fire Hazard Severity Zones (FHSZ). Fire Hazard Severity Zones fall into one of the following classifications: Moderate High Very High The California laws that require Fire Hazard Severity Zones include California Public Resources Code 4201-4204, California Code of Regulations Title 14, Section 1280 and C...
Looking for Tuolumne County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Twain Harte city rules.
Fire Regulations in Tuolumne County →