ZIP code 95391
Alameda and San Joaquin counties, including Mountain House
Search for an addressReport created October 31, 2026 at www.firezones.org/zip/95391
Summary
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Fire hazard severity zones
Share of the land in each CAL FIRE hazard class
17,506 acres of land in all, 10,868 in the State Responsibility Area and 6,382 in the Local. State zones are the ones the State Fire Marshal designated, in effect since April 1, 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
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Fire history
The 10 largest of 21 fires that burned here
And 11 smaller fires. The most recent was the 2024 Flynn Fire, which burned 73 acres here. In all, 4,512 acres of ZIP code 95391 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
Nearby areas
Communities in ZIP code 95391
Neighboring ZIP codes
Sources
- Fire hazard severity zones
- CAL FIRE Office of the State Fire Marshal
- State map published June 27, 2025, local map February 2, 2026
This site is independent and not affiliated with CAL FIRE, so for an official determination, check with the agency or your city or county. How we read the data