Fremont

City in Alameda County

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Report created October 27, 2026 at www.firezones.info/community/26000/fremont

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    6% High · <1% Very High

    Most of the High land is in the Local Responsibility Area, where the City of Fremont adopts the zones CAL FIRE recommends.

  • Fire history

    Share of the land inside a recorded wildfire perimeter

    <1% has burned

    The 1958 Overacker Fire burned 171 acres here.

  • Power line fire risk

    Share of the land in the High Fire-Threat District

    1% Elevated · <1% Extreme

    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

  1. Very High 108 acres · 1 state, 107 local <1%
  2. High 3,169 acres · 11 state, 3,158 local 6%
  3. Moderate 9,146 acres · 23 state, 9,123 local 18%
  4. Non-wildland 26,987 acres · Local Responsibility Area 53%
  5. Not mapped by CAL FIRE 11,605 acres · Mostly federal land 23%

51,015 acres of land in all, 35 in the State Responsibility Area and 39,375 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

  1. 1958 Overacker Fire Of 289 acres in all 171 acres

In all, 172 acres of Fremont 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
Fire history
CAL FIRE Fire and Resource Assessment Program
Published 28 July 2026
Power line fire risk
California Public Utilities Commission
Published 23 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

Nearby areas

ZIP codes in Fremont

Neighboring communities

  1. Fremont 6% High · <1% Very High · this area
  2. Hayward 17% High
  3. Milpitas 20% Moderate
  4. Newark No hazard zones
  5. San Jose 6% Very High
  6. Sunol 12% Very High
  7. Union City 49% High