Wildfire Home Hardening & Defensible Space Contractors in California

California law (PRC 4291) requires 100 feet of defensible space around homes in fire hazard zones, and AB-38 requires compliance documentation when selling. This directory tracks 1842 vetted contractors — 1274 CSLB-licensed — across 9 high-fire-risk counties, with ratings, services, and license status from public sources.

Find contractors by county

• El Dorado County — 157 contractors
• Nevada County — 162 contractors
• Placer County — 165 contractors
• Butte County — 90 contractors
• Shasta County — 56 contractors
• Sonoma County — 202 contractors
• Napa County — 73 contractors
• Marin County — 127 contractors
• Los Angeles County — 782 contractors

What the law requires

• AB-38: compliance when selling a home
• Zone 0: the ember-resistant first 5 feet
• Insurance discounts for mitigation
• New wildfire laws in 2026