Spring Valley

Community in San Diego County

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Report created October 27, 2026 at www.firezones.info/community/73696/spring-valley

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    32% 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

    37% has burned

    Most recently the 2025 Lodge Fire, which burned 77 acres here, one of 13 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    29% 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 1,498 acres · 754 state, 744 local 32%
  2. High 243 acres · 8 state, 235 local 5%
  3. Moderate 228 acres · <1 state, 228 local 5%
  4. Non-wildland 1,984 acres · Local Responsibility Area 42%
  5. Not mapped by CAL FIRE 769 acres · Mostly federal land 16%

4,722 acres of land in all, 763 in the State Responsibility Area and 3,190 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. 1970 Laguna Fire Of 174,162 acres in all · Cause: Campfire 928 acres
  2. 1945 Unnamed fire Of 708 acres in all 625 acres
  3. 1911 Unnamed fire Of 10,394 acres in all · Cause: Miscellaneous 253 acres
  4. 1998 Jamacha Fire 148 acres
  5. 1950 Wet Back Fire Of 3,955 acres in all 78 acres
  6. 2025 Lodge Fire Cause: Campfire 77 acres
  7. 1980 Trace Fire 57 acres
  8. 1981 Assist #11 Fire Of 261 acres in all · Cause: Miscellaneous 51 acres
  9. 2001 Jamacha Fire Cause: Playing with fire 40 acres
  10. 2007 Harris 2 Fire Of 90,728 acres in all 34 acres

And 3 smaller fires. In all, 1,727 acres of Spring Valley 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

ZIP codes in Spring Valley

Neighboring communities

  1. Spring Valley 32% Very High · this area
  2. Casa de Oro-Mount Helix 1% Moderate · 1% Very High
  3. Jamul 77% Very High
  4. La Mesa 4% High
  5. La Presa 40% Very High
  6. Lemon Grove 1% Moderate · 1% High
  7. Rancho San Diego 55% Very High