ZIP code 94931
Sonoma County, including Cotati and Penngrove
Search for an addressReport created October 27, 2026 at www.firezones.info/zip/94931
Summary
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Fire hazard severity zones
Share of the land in each CAL FIRE hazard class
73% Moderate
Most of the Moderate land is in the State Responsibility Area, where the State Fire Marshal's zones apply.
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Fire history
Share of the land inside a recorded wildfire perimeter
2% has burned
Most recently the 2020 Stony Fire, which burned 6 acres here, one of 4 fires on record.
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Power line fire risk
Share of the land in the High Fire-Threat District
39% Elevated
Utilities may shut off power in the CPUC High Fire-Threat District in fire weather, and homes outside it can lose power when their lines run through it.
Land by hazard class
4,958 acres of land in all, 2,450 in the State Responsibility Area and 2,507 in the Local. State zones are the ones the State Fire Marshal designated, in effect since 1 April 2024. Local zones are CAL FIRE's 2025 recommendation, which each city or county adopts by ordinance and can make stricter. How to read fire zones
Fires that burned here
In all, 89 acres of ZIP code 94931 have burned. Acres are the land each fire burned here, and fires that crossed less than an acre are not counted. Some older or smaller fires may be missing, and a fire perimeter can include unburned patches. How to read fire history
Sources
- Fire hazard severity zones
- CAL FIRE Office of the State Fire Marshal
- State map published 27 June 2025, local map 2 February 2026
This site is independent and not affiliated with CAL FIRE or the CPUC, so for an official determination, check with the agency or your city or county. How we read the data