ZIP code 92003

San Diego County, including Bonsall

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Report created October 27, 2026 at www.firezones.info/zip/92003

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    63% 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

    55% has burned

    Most recently the 2025 Lilac 2 Fire, which burned 6 acres here, one of 15 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    99% 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 6,278 acres · State Responsibility Area 63%
  2. High 3,549 acres · 3,535 state, 14 local 36%
  3. Moderate 8 acres · <1 state, 8 local <1%
  4. Non-wildland 78 acres · Local Responsibility Area 1%

9,913 acres of land in all, 9,813 in the State Responsibility Area and 100 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. 2017 Lilac Fire Of 4,081 acres in all 3,534 acres
  2. 1953 Pueblitos Canyon Fire Of 1,158 acres in all 1,124 acres
  3. 1938 Unnamed fire Of 1,706 acres in all 800 acres
  4. 1957 Clancy Fire Of 612 acres in all 591 acres
  5. 1935 Unnamed fire 519 acres
  6. 2014 Highway Fire Of 441 acres in all 220 acres
  7. 2007 Vuelta Fire Of 215 acres in all 120 acres
  8. 1941 Unnamed fire 115 acres
  9. 1975 Unnamed fire Of 67 acres in all · Cause: Miscellaneous 66 acres
  10. 1968 Unnamed fire Of 51 acres in all · Cause: Miscellaneous 50 acres

And 5 smaller fires. In all, 5,498 acres of ZIP code 92003 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 92003

Neighboring ZIP codes

  1. 92003 63% Very High · this area
  2. 92026 74% Very High
  3. 92028 65% Very High
  4. 92057 7% High · 4% Very High
  5. 92084 63% Very High