WildfireRiskFinder

Wilton, CA

Wilton, CA's wildfire risk, in USFS's own numbers

Very High
90thpercentile nationally

USFS scores Wilton at the 90th national percentile for wildfire risk to structures (in USFS's highest wildfire-risk band nationally), a figure built from 4,804 real buildings rather than raw vegetation cover. (Source: USFS's Wildfire Risk to Communities methodology.)

Separately from the risk score above, Wilton's burn probability — fire likelihood with no building count factored in — sits at the 92nd percentile nationally.

Wilton's building exposure, zone by zone

4,804Total buildings
97.7%Direct exposure
2.3%Indirect exposure
0%Minimal exposure

USFS classifies 97.7% of Wilton's buildings as Direct exposure, higher than its 2.3% Indirect share and far above its 0% Minimal share — a profile where 4,694 structures sit close enough to vegetation that lot clearing matters most.

How Wilton compares

Wilton's 90th national percentile looks worse in isolation than its 62nd ranking inside California does — this place is on the milder end for its own state, by 28 points. Among the 31,521 US communities USFS scores, Wilton ranks 3,142 for wildfire risk (1 is highest) and 3,553 by building count (1 is largest). Within California alone, it ranks 606 of 1,570 places by risk. See the full county-by-county picture for California on its state page.

Shopping for coverage in Wilton

Because Wilton 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.

Hardening a home in Wilton

With 97.7% of Wilton in Direct exposure, defensible-space clearing and ember-resistant construction (vents, Class-A roofing) address the exposure this page's own numbers describe, not a generic checklist. See the home-hardening guide.

Where Wilton's figures come from

Every one of the two percentiles behind Wilton's 3,142-place national rank traces to USFS's Wildfire Risk to Communities dataset — see the methodology guide. The exposure-zones guide covers what Wilton's dominant direct exposure actually means, with real examples from across the dataset.