ZIP code 92373

San Bernardino and Riverside counties, including Redlands, Loma Linda, Yucaipa and others

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Report created October 31, 2026 at www.firezones.org/zip/92373

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    1. Very High 19,904 acres · 11,099 state, 8,805 local 78%
    2. High 550 acres · Local Responsibility Area 2%
    3. Moderate 480 acres · Local Responsibility Area 2%
    4. Non-wildland 4,712 acres · Local Responsibility Area 18%

    25,647 acres of land in all, 11,100 in the State Responsibility Area and 14,548 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 66 fires that burned here

    1. 1970 Casco #2 Fire 6,234 acres in total 4,123 acres here
    2. 1975 Unnamed fire 12,801 acres in total 3,677 acres here
    3. 2005 Woodhouse Fire 6,533 acres in total · Cause: Railroad 3,648 acres here
    4. 2017 Palmer Fire 3,872 acres in total · Cause: Miscellaneous 2,660 acres here
    5. 1981 Roche Fire 2,301 acres here
    6. 1957 El Casco Fire 2,031 acres in total 1,805 acres here
    7. 1967 Roadside #43 Fire 2,396 acres in total 1,754 acres here
    8. 1957 Unnamed fire 1,821 acres in total 1,719 acres here
    9. 1968 Unnamed fire 1,633 acres in total 1,455 acres here
    10. 1995 Pilgrim Fire 2,081 acres in total · Cause: Equipment use 1,444 acres here

    And 56 smaller fires. The most recent was the 2025 Oak Fire, which burned 46 acres here. In all, 14,556 acres of ZIP code 92373 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 92373

Neighboring ZIP codes

  1. 92373 78% Very High · this area
  2. 92223 60% Very High
  3. 92320 83% Very High
  4. 92324 48% Very High
  5. 92354 30% Very High
  6. 92374 17% Very High
  7. 92399 58% Very High
  8. 92408 17% Very High
  9. 92555 67% 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