ZIP code 92373

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

Search for an address

Report created October 27, 2026 at www.firezones.info/zip/92373

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    78% Very High

    Most of the Very High land is in the State Responsibility Area, where the State Fire Marshal's zones apply.

    Open map

  • Fire history

    Share of the land inside a recorded wildfire perimeter

    57% has burned

    Most recently the 2025 Oak Fire, which burned 46 acres here, one of 66 fires on record.

    Open map

  • Power line fire risk

    Share of the land in the High Fire-Threat District

    70% Extreme

    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.

    Open map

Land by hazard class

  1. Very High 19,904 acres · 11,099 state, 8,805 local 78%
  2. High 550 acres · <1 state, 550 local 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 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 Casco #2 Fire Of 6,234 acres in all 4,123 acres
  2. 1975 Unnamed fire Of 12,801 acres in all 3,677 acres
  3. 2005 Woodhouse Fire Of 6,533 acres in all · Cause: Railroad 3,648 acres
  4. 2017 Palmer Fire Of 3,872 acres in all · Cause: Miscellaneous 2,660 acres
  5. 1981 Roche Fire 2,301 acres
  6. 1957 El Casco Fire Of 2,031 acres in all 1,805 acres
  7. 1967 Roadside #43 Fire Of 2,396 acres in all 1,754 acres
  8. 1957 Unnamed fire Of 1,821 acres in all 1,719 acres
  9. 1968 Unnamed fire Of 1,633 acres in all 1,455 acres
  10. 1995 Pilgrim Fire Of 2,081 acres in all · Cause: Equipment use 1,444 acres

And 56 smaller fires. 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

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

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