ZIP code 92570

Riverside County, including Mead Valley, Perris, Lake Mathews and others

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Report created October 31, 2026 at www.firezones.org/zip/92570

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    1. Very High 48,315 acres · 38,629 state, 9,686 local 71%
    2. High 2,590 acres · 1,592 state, 998 local 4%
    3. Moderate 4,396 acres · 3,542 state, 854 local 6%
    4. Non-wildland 9,338 acres · Local Responsibility Area 14%
    5. Not mapped by CAL FIRE 3,444 acres · Mostly federal land 5%

    68,084 acres of land in all, 43,763 in the State Responsibility Area and 20,877 in the Local. 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 90 fires that burned here

    1. 2004 Cerrito Fire 16,447 acres in total · Cause: Playing with fire 11,304 acres here
    2. 1944 Unnamed fire 12,473 acres in total 9,780 acres here
    3. 1960 Unnamed fire 5,277 acres here
    4. 1945 Unnamed fire 6,839 acres in total 5,188 acres here
    5. 1978 Estelle Fire 3,080 acres in total 2,649 acres here
    6. 1978 Unnamed fire 3,416 acres in total 2,600 acres here
    7. 1962 Unnamed fire 2,653 acres in total 1,985 acres here
    8. 1958 Morey Fire 2,662 acres in total 1,972 acres here
    9. 1960 Gavilan Peak Fire 1,904 acres here
    10. 1970 Terrace Hill Fire 1,846 acres here

    And 80 smaller fires. The most recent was the 2025 Crump Fire, which burned 55 acres here. In all, 30,088 acres of ZIP code 92570 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

Neighboring ZIP codes

  1. 92570 71% Very High · this area
  2. 92503 49% Very High
  3. 92504 21% Very High
  4. 92508 21% Very High
  5. 92518 38% Very High
  6. 92530 34% Very High
  7. 92532 87% Very High
  8. 92571 38% Very High
  9. 92585 27% Very High
  10. 92586 29% Very High
  11. 92587 50% Very High
  12. 92881 25% Very High
  13. 92883 54% 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