ZIP code 92021

San Diego County, including Harbison Canyon, Crest, El Cajon and others

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Report created October 27, 2026 at www.firezones.info/zip/92021

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    72% Very High

    Most of the Very High land is in the State Responsibility Area, where the State Fire Marshal's zones apply.

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  • Fire history

    Share of the land inside a recorded wildfire perimeter

    79% has burned

    Most recently the 2025 Coches 2 Fire, which burned 5 acres here, one of 48 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    30% 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.

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Land by hazard class

  1. Very High 12,956 acres · 12,133 state, 824 local 72%
  2. High 1,940 acres · 1,614 state, 326 local 11%
  3. Moderate 296 acres · 13 state, 283 local 2%
  4. Non-wildland 2,859 acres · Local Responsibility Area 16%
  5. Not mapped by CAL FIRE 6 acres · Mostly federal land <1%

18,057 acres of land in all, 13,760 in the State Responsibility Area and 4,292 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

Largest fires

  1. 2003 Cedar Fire Of 270,686 acres in all · Cause: Equipment use 9,356 acres
  2. 1970 Laguna Fire Of 174,162 acres in all · Cause: Campfire 6,427 acres
  3. 1950 Valley View Fire Of 2,445 acres in all 2,399 acres
  4. 1940 Unnamed fire Of 3,160 acres in all · Cause: Miscellaneous 2,084 acres
  5. 1940 Unnamed fire Of 2,017 acres in all · Cause: Miscellaneous 1,519 acres
  6. 1965 Suncrest Fire Of 1,434 acres in all 1,408 acres
  7. 1953 Tunnel Hill Fire 1,299 acres
  8. 1958 Valley View #2 Fire 1,205 acres
  9. 1957 Chocolate Fire Of 3,549 acres in all · Cause: Miscellaneous 844 acres
  10. 1942 Unnamed fire 625 acres

And 38 smaller fires. In all, 14,231 acres of ZIP code 92021 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 92021

Neighboring ZIP codes

  1. 92021 72% Very High · this area
  2. 91901 53% Very High
  3. 92019 59% Very High
  4. 92020 5% High · 1% Very High
  5. 92040 62% Very High
  6. 92071 61% Very High