WildfireRiskFinder

Lucas Valley-Marinwood, CA

Lucas Valley-Marinwood, CA's wildfire risk, in USFS's own numbers

Very High
92ndpercentile nationally

USFS's Wildfire Risk to Communities model puts Lucas Valley-Marinwood at the 92nd national percentile for risk to structures, in USFS's highest wildfire-risk band nationally — a score built from 2,268 actual buildings. (Source: USFS's Wildfire Risk to Communities methodology.)

Fire likelihood alone (USFS's burn-probability figure) ranks Lucas Valley-Marinwood at the 93rd national percentile — 1 points above its risk-to-structures score, a gap driven by how much is actually built there.

Where Lucas Valley-Marinwood's buildings actually sit

2,268Total buildings
12.4%Direct exposure
87.6%Indirect exposure
0%Minimal exposure

87.6% of Lucas Valley-Marinwood's 2,268 buildings fall in USFS's Indirect exposure zone — ember cast rather than direct flame — against 12.4% Direct and 0% Minimal. Vent screens and roofing material matter more here than lot clearing alone.

How Lucas Valley-Marinwood compares

Inside California, Lucas Valley-Marinwood sits at just the 66th percentile even though it scores 92nd 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, Lucas Valley-Marinwood ranks 2,574 for wildfire risk (1 is highest) and 6,772 by building count (1 is largest). Within California alone, it ranks 537 of 1,570 places by risk. See the full county-by-county picture for California on its state page.

Shopping for coverage in Lucas Valley-Marinwood

Because Lucas Valley-Marinwood 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 Lucas Valley-Marinwood

Because 87.6% of Lucas Valley-Marinwood'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.

Where Lucas Valley-Marinwood's figures come from

The methodology guide shows exactly how USFS turned 2,268 counted buildings into the percentiles shown above for Lucas Valley-Marinwood. The exposure-zones guide covers what Lucas Valley-Marinwood's dominant indirect exposure actually means, with real examples from across the dataset.