ZIP code 91902

San Diego County, including Bonita, Chula Vista, National City and others

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Report created October 31, 2026 at www.firezones.org/zip/91902

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    1. Very High 1,887 acres · 703 state, 1,184 local 24%
    2. High 1,371 acres · 49 state, 1,322 local 17%
    3. Moderate 513 acres · 61 state, 452 local 6%
    4. Non-wildland 2,492 acres · Local Responsibility Area 31%
    5. Not mapped by CAL FIRE 1,666 acres · Mostly federal land 21%

    7,928 acres of land in all, 813 in the State Responsibility Area and 5,449 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

  • Fire history

    Fires CAL FIRE has recorded here

    1. 1911 Unnamed fire 10,394 acres in total · Cause: Miscellaneous 2,769 acres here
    2. 2007 Harris 2 Fire 90,728 acres in total 1,859 acres here
    3. 1970 Laguna Fire 174,162 acres in total · Cause: Campfire 1,388 acres here
    4. 1979 Unnamed fire 51 acres in total · Cause: Miscellaneous 50 acres here
    5. 2013 Miguel Fire 44 acres here
    6. 1950 Wet Back Fire 3,955 acres in total 40 acres here
    7. 2024 Bonita Fire Cause: Playing with fire 4 acres here
    8. 1985 Miller Fire 8,270 acres in total · Cause: Miscellaneous 2 acres here

    The most recent was the 2024 Bonita Fire, which burned 4 acres here. In all, 3,595 acres of ZIP code 91902 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 91902

Neighboring ZIP codes

  1. 91902 24% Very High · this area
  2. 91910 12% High · 1% Very High
  3. 91913 36% Very High
  4. 91914 53% Very High
  5. 91950 No hazard zones
  6. 91977 29% Very High
  7. 91978 26% Very High
  8. 92114 No hazard zones
  9. 92139 <1% Moderate

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