San Luis Obispo, CA
San Luis Obispo wildfire risk explained
USFS's Wildfire Risk to Communities model puts San Luis Obispo at the 95th national percentile for risk to structures, in USFS's highest wildfire-risk band nationally — a score built from 18,588 actual buildings. (Source: USFS's Wildfire Risk to Communities methodology.)
Separately from the risk score above, San Luis Obispo's burn probability — fire likelihood with no building count factored in — sits at the 95th percentile nationally.
Where San Luis Obispo's buildings actually sit
Most of San Luis Obispo's buildings (90.7%) sit in the Indirect zone, where wind-blown embers rather than flame front are the mechanism USFS is scoring — ember-resistant vents and non-combustible roofing are the interventions this pattern favors, more than defensible space alone. At 18,588 buildings, this is a substantial built environment, so the shares below describe a real population of structures, not a handful of edge cases.
San Luis Obispo against the rest of the country
San Luis Obispo's 95th national percentile looks worse in isolation than its 74th ranking inside California does — this place is on the milder end for its own state, by 21 points. Among the 31,521 US communities USFS scores, San Luis Obispo ranks 1,567 for wildfire risk (1 is highest) and 767 by building count (1 is largest). Within California alone, it ranks 412 of 1,570 places by risk. See the full county-by-county picture for California on its state page.
San Luis Obispo and the insurance market
Because San Luis Obispo 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
Because 90.7% of San Luis Obispo's buildings sit in the Indirect zone, sealing the ember pathway (vents, roofing, gutters) is the intervention this page's data actually supports — see the home-hardening guide.
More on how this number was built
Every one of the two percentiles behind San Luis Obispo's 1,567-place national rank traces to USFS's Wildfire Risk to Communities dataset — see the methodology guide. For more on what indirect exposure implies beyond San Luis Obispo, see the exposure-zones guide.