ZIP code 91935

San Diego County, including Jamul

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Report created October 27, 2026 at www.firezones.info/zip/91935

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    82% Very High

    All 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

    97% has burned

    Most recently the 2025 Springs 3 Fire, which burned 50 acres here, one of 92 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    97% 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 55,190 acres · State Responsibility Area 82%
  2. High 221 acres · State Responsibility Area <1%
  3. Moderate 41 acres · State Responsibility Area <1%
  4. Not mapped by CAL FIRE 12,038 acres · Mostly federal land 18%

67,490 acres of land in all, 55,452 of it in the State Responsibility Area. 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. 1970 Laguna Fire Of 174,162 acres in all · Cause: Campfire 46,929 acres
  2. 2007 Harris 2 Fire Of 90,728 acres in all 33,157 acres
  3. 1926 Unnamed fire Of 10,371 acres in all · Cause: Miscellaneous 10,044 acres
  4. 1945 Unnamed fire Cause: Miscellaneous 9,816 acres
  5. 1912 Unnamed fire Cause: Miscellaneous 6,929 acres
  6. 2003 Mine/Otay Fire Of 44,734 acres in all · Cause: Miscellaneous 6,460 acres
  7. 2020 Valley Fire Of 16,390 acres in all 5,526 acres
  8. 1943 Unnamed fire Of 4,836 acres in all · Cause: Miscellaneous 4,776 acres
  9. 1915 Unnamed fire Of 4,836 acres in all 4,719 acres
  10. 1982 Dulzura Fire Of 4,950 acres in all · Cause: Debris burning 3,760 acres

And 82 smaller fires. In all, 65,465 acres of ZIP code 91935 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 91935

Neighboring ZIP codes

  1. 91935 82% Very High · this area
  2. 91901 53% Very High
  3. 91917 51% Very High
  4. 91978 26% Very High
  5. 92019 59% Very High
  6. 92154 40% Very High