Which county in California has the lowest wildfire risk?

San Francisco has the lowest wildfire risk in California, at 10.8.

What is the wildfire risk in San Francisco?

San Francisco is ranked #1 in California for wildfire risk, at 10.8.

What are the top counties in California for wildfire risk?

San Francisco (10.8), then Los Angeles (19.7), and Santa Clara (27.7). The full top 25 is in the table on this page.

How is this wildfire risk ranking calculated?

Counties in California are ranked by wildfire risk (FEMA National Risk Index, FEMA NRI v1.20), lowest first. Values describe the county, not an individual property. Source vintage is shown on the page.

How does California compare to the rest of the US for wildfire risk?

This list is California only. See the national ranking of the lowest counties for wildfire risk at hearthmap.app/best/lowest-wildfire-risk.

Lowest Wildfire Risk Counties in California (2026)

Lowest counties for wildfire risk in California

Top 25 of 58 counties with data.

Ranked by wildfire risk (FEMA National Risk Index, FEMA NRI v1.20), lowest first.

Lowest counties for wildfire risk in California

Rank	County	Value
01	San Francisco10.8 County page
02	Los Angeles19.7 County page
03	Santa Clara27.7 County page
04	Alameda28.0 County page
05	Orange28.9 County page
06	Sacramento29.7 County page
07	San Joaquin33.3 County page
08	Stanislaus37.5 County page
09	San Mateo38.0 County page
10	Yolo38.1 County page
11	Fresno40.7 County page
12	Kern43.6 County page
13	San Diego49.1 County page
14	Sutter53.0 County page
15	Solano54.3 County page
16	Contra Costa54.7 County page
17	Monterey55.2 County page
18	Kings56.4 County page
19	Napa58.7 County page
20	Imperial58.7 County page
21	Ventura59.0 County page
22	Tulare59.7 County page
23	San Bernardino60.2 County page
24	Santa Barbara60.3 County page
25	Merced60.9 County page

How this ranking works

This page ranks California counties by wildfire risk, sorted so the lowest places appear first. Click any county to see its housing, schools, crime, and demographics in detail.

For wildfire risk, a lower value is generally more favorable, so the top of the list is the lowest. Want to weigh wildfire risk against schools, taxes, commute, and more at once? Use the live map to build a custom match.

Data comes from public sources. Source attribution and the exact data vintage are shown above and on the full map of wildfire risk.

Frequently asked questions

Which county in California has the lowest wildfire risk?: San Francisco has the lowest wildfire risk in California, at 10.8.
What is the wildfire risk in San Francisco?: San Francisco is ranked #1 in California for wildfire risk, at 10.8.
What are the top counties in California for wildfire risk?: San Francisco (10.8), then Los Angeles (19.7), and Santa Clara (27.7). The full top 25 is in the table on this page.
How is this wildfire risk ranking calculated?: Counties in California are ranked by wildfire risk (FEMA National Risk Index, FEMA NRI v1.20), lowest first. Values describe the county, not an individual property. Source vintage is shown on the page.
How does California compare to the rest of the US for wildfire risk?: This list is California only. See the national ranking of the lowest counties for wildfire risk at hearthmap.app/best/lowest-wildfire-risk.