Brea, CA
Brea wildfire risk explained
Brea sits at the 93rd percentile nationally for wildfire risk to structures — in USFS's highest wildfire-risk band nationally — per USFS's Wildfire Risk to Communities model, built from its 13,842 counted buildings, not vegetation cover alone. (Source: USFS's Wildfire Risk to Communities methodology.)
Separately from the risk score above, Brea's burn probability — fire likelihood with no building count factored in — sits at the 93rd percentile nationally.
What "at risk" means for the buildings here
USFS puts 64.3% of Brea's 13,842 buildings in the Indirect exposure zone, versus 2.6% Direct and 33.1% Minimal — a place where the fire doesn't need to reach the structure directly for embers to. At 13,842 buildings, this is a substantial built environment, so the shares below describe a real population of structures, not a handful of edge cases.
Where Brea ranks
Inside California, Brea sits at just the 70th percentile even though it scores 93rd nationally — the state's overall wildfire exposure is high enough to make this a relatively quiet corner of it. Among the 31,521 US communities USFS scores, Brea ranks 2,067 for wildfire risk (1 is highest) and 1,094 by building count (1 is largest). Within California alone, it ranks 479 of 1,570 places by risk. See the full county-by-county picture for California on its state page.
Brea and the insurance market
Because Brea is in California, a wildfire-hazard disclosure is legally required before a sale closes here — unusual nationally, since only these two states mandate it. The state's FAIR Plan alone carried 668,609 policies by the end of 2025. Full detail in the disclosure-law guide.
What would actually reduce this score
Brea's 64.3% Indirect-exposure share points at embers, not flame contact, as the main pathway — ember-resistant vents and non-combustible roofing rank ahead of defensible space here. Detail in the home-hardening guide.
Where Brea's figures come from
The methodology guide shows exactly how USFS turned 13,842 counted buildings into the percentiles shown above for Brea. The exposure-zones guide covers what Brea's dominant indirect exposure actually means, with real examples from across the dataset.