WildfireRiskFinder

Johnstonville, CA

How exposed is Johnstonville to wildfire?

Very High
95thpercentile nationally

Johnstonville's 908 buildings earn a 95th-percentile wildfire-risk score nationally under USFS's model — in USFS's highest wildfire-risk band nationally. (Source: USFS's Wildfire Risk to Communities methodology.)

USFS's separate burn-probability score — fire likelihood alone, before counting what's built there — puts Johnstonville at the 96th percentile, close to its 95th-percentile risk score.

Where Johnstonville's buildings actually sit

908Total buildings
76.7%Direct exposure
23.4%Indirect exposure
0%Minimal exposure

76.7% of Johnstonville's 908 buildings sit in USFS's Direct exposure zone, roughly 696 structures close enough to burnable vegetation for flame contact, not just embers — 23.4% fall in the Indirect, ember-only zone and 0% are Minimal.

How Johnstonville compares

Johnstonville ranks lower within California (73rd percentile statewide) than its 95th national percentile suggests alone — a calmer spot in a state where wildfire risk generally runs high. Among the 31,521 US communities USFS scores, Johnstonville ranks 1,723 for wildfire risk (1 is highest) and 12,653 by building count (1 is largest). Within California alone, it ranks 434 of 1,570 places by risk. See the full county-by-county picture for California on its state page.

Johnstonville and the insurance market

Johnstonville's 95th-percentile score lands in California, the only two states requiring a wildfire disclosure at sale. California's surplus-lines homeowners market passed 300,000 policies for the first time in 2025, driven by carriers pulling back from wildfire-exposed areas statewide. The disclosure-law guide covers what it requires.

Hardening a home in Johnstonville

Johnstonville's 76.7% Direct-exposure share means lot clearing around the structure typically outweighs any single material upgrade here. The home-hardening guide ranks the options for a place shaped like this.

More on how this number was built

Every one of the two percentiles behind Johnstonville's 1,723-place national rank traces to USFS's Wildfire Risk to Communities dataset — see the methodology guide. For more on what direct exposure implies beyond Johnstonville, see the exposure-zones guide.