ZIP code 94403

San Mateo County, including San Mateo

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Report created October 31, 2026 at www.firezones.org/zip/94403

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    Map
    1. Moderate 367 acres · Local Responsibility Area 10%
    2. Non-wildland 3,338 acres · Local Responsibility Area 90%

    3,705 acres of land in all, 3,704 of it in the Local Responsibility Area. 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

  • Fire history

    Fires CAL FIRE has recorded here

    No recorded fires

    CAL FIRE has no record of a fire that burned an acre or more here.

    Map

Nearby areas

Communities in ZIP code 94403

Neighboring ZIP codes

  1. 94403 10% Moderate · this area
  2. 94002 40% Moderate · 2% Very High
  3. 94010 21% Very High
  4. 94065 No hazard zones
  5. 94401 No hazard zones
  6. 94402 6% High · <1% Very High
  7. 94404 No hazard zones

Sources

Fire hazard severity zones
CAL FIRE Office of the State Fire Marshal
State map published June 27, 2025, local map February 2, 2026
Fire history
CAL FIRE Fire and Resource Assessment Program
Published July 28, 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