ZIP code 91915

San Diego County, including Chula Vista

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Report created October 27, 2026 at www.firezones.info/zip/91915

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    53% 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

    15% has burned

    Most recently the 2003 Mine/Otay Fire, which burned 57 acres here, one of 6 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    66% 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 2,808 acres · 326 state, 2,482 local 53%
  2. High 373 acres · 107 state, 266 local 7%
  3. Moderate 288 acres · Local Responsibility Area 5%
  4. Non-wildland 1,847 acres · Local Responsibility Area 35%

5,316 acres of land in all, 433 in the State Responsibility Area and 4,883 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. 1994 Otay #4 Fire Of 2,983 acres in all · Cause: Campfire 451 acres
  2. 1979 Unnamed fire Of 212 acres in all · Cause: Miscellaneous 209 acres
  3. 1911 Unnamed fire Of 10,394 acres in all · Cause: Miscellaneous 62 acres
  4. 1945 Unnamed fire Of 1,022 acres in all 61 acres
  5. 2003 Mine/Otay Fire Of 44,734 acres in all · Cause: Miscellaneous 57 acres
  6. 1996 Otay #322 Fire Of 16,562 acres in all · Cause: Campfire 55 acres

In all, 782 acres of ZIP code 91915 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 91915

Neighboring ZIP codes

  1. 91915 53% Very High · this area
  2. 91911 16% Very High
  3. 91913 36% Very High
  4. 91914 53% Very High
  5. 92154 40% Very High