ZIP code 92561

Riverside County, including Mountain Center

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Report created October 31, 2026 at www.firezones.org/zip/92561

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    1. Very High 15,454 acres · State Responsibility Area 15%
    2. High 1,150 acres · State Responsibility Area 1%
    3. Moderate 1,811 acres · State Responsibility Area 2%
    4. Not mapped by CAL FIRE 86,415 acres · Mostly federal land 82%

    104,830 acres of land in all, 18,414 of it in the State 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

    The 10 largest of 56 fires that burned here

    1. 1994 Palm Fire 19,422 acres in total · Cause: Lightning 15,333 acres here
    2. 2013 Mountain Fire 27,524 acres in total · Cause: Miscellaneous 13,566 acres here
    3. 2018 Cranston Fire 13,229 acres in total · Cause: Arson 9,675 acres here
    4. 1924 Unnamed fire 18,433 acres in total 6,521 acres here
    5. 1940 Unnamed fire 12,728 acres in total 6,295 acres here
    6. 1980 Dry Falls Fire 41,756 acres in total 5,519 acres here
    7. 1924 Unnamed fire 17,174 acres in total 4,622 acres here
    8. 1975 Lake Hemet Fire 5,215 acres in total · Cause: Playing with fire 4,333 acres here
    9. 1943 Unnamed fire 10,110 acres in total 3,956 acres here
    10. 1999 Mixing Fire Cause: Arson 3,264 acres here

    And 46 smaller fires. The most recent was the 2025 Rosa Fire, which burned 1,630 acres here. In all, 65,204 acres of ZIP code 92561 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

Communities in ZIP code 92561

Neighboring ZIP codes

  1. 92561 15% Very High · this area
  2. 92253 19% Moderate · 5% High
  3. 92260 34% Moderate · 1% Very High
  4. 92264 16% Moderate · 3% Very High
  5. 92539 61% Very High
  6. 92544 55% Very High
  7. 92549 27% 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