ZIP code 91902

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

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Report created October 27, 2026 at www.firezones.info/zip/91902

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    24% Very High

    Most of the Very High land is in the Local Responsibility Area, where each city or county adopts the zones CAL FIRE recommends.

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  • Fire history

    Share of the land inside a recorded wildfire perimeter

    45% has burned

    Most recently the 2024 Bonita Fire, which burned 4 acres here, one of 8 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    28% 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.

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

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

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

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