Casa de Oro-Mount Helix

Community in San Diego County

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Report created October 31, 2026 at www.firezones.org/community/11691/casa-de-oro-mount-helix

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    Map
    1. Very High 35 acres · Local Responsibility Area 1%
    2. High 29 acres · Local Responsibility Area 1%
    3. Moderate 59 acres · Local Responsibility Area 1%
    4. Non-wildland 4,263 acres · Local Responsibility Area 97%

    4,386 acres of land in all, 4,386 of it in the Local Responsibility Area. State zones are the ones the State Fire Marshal designated, in effect since April 1, 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

  • Fire history

    Fires CAL FIRE has recorded here

    Map
    1. 1943 Unnamed fire 624 acres here

    In all, 624 acres of Casa de Oro-Mount Helix 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

Nearby areas

ZIP codes in Casa de Oro-Mount Helix

Neighboring communities

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

Sources

Fire hazard severity zones
CAL FIRE Office of the State Fire Marshal
State map published June 27, 2025, local map February 2, 2026
Fire history
CAL FIRE Fire and Resource Assessment Program
Published July 28, 2026

This site is independent and not affiliated with CAL FIRE, so for an official determination, check with the agency or your city or county. How we read the data