ZIP code 92879

Riverside County, including Corona and Home Gardens

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Report created October 27, 2026 at www.firezones.info/zip/92879

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    17% Very High

    Most of the Very High land is in the Local Responsibility Area, where each city or county adopts the zones CAL FIRE recommends.

  • Fire history

    Share of the land inside a recorded wildfire perimeter

    15% has burned

    Most recently the 2010 Mckinley Fire, which burned 142 acres here, one of 5 fires on record.

  • Power line fire risk

    Share of the land in the High Fire-Threat District

    6% Elevated · 5% 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.

Land by hazard class

  1. Very High 1,060 acres · 101 state, 958 local 17%
  2. High 246 acres · Local Responsibility Area 4%
  3. Moderate 244 acres · Local Responsibility Area 4%
  4. Non-wildland 4,746 acres · Local Responsibility Area 75%

6,296 acres of land in all, 101 in the State Responsibility Area and 6,194 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

Fires that burned here

  1. 1980 Treemont Fire 474 acres
  2. 1975 Unnamed fire Of 1,954 acres in all 388 acres
  3. 2010 Mckinley Fire Of 1,028 acres in all · Cause: Equipment use 142 acres
  4. 1983 Mckinley Fire Of 1,607 acres in all · Cause: Playing with fire 95 acres
  5. 1979 Newman Fire Of 194 acres in all 79 acres

In all, 960 acres of ZIP code 92879 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 92879

Neighboring ZIP codes

  1. 92879 17% Very High · this area
  2. 92503 49% Very High
  3. 92505 32% Very High
  4. 92860 24% Very High
  5. 92880 29% Very High
  6. 92881 25% Very High
  7. 92882 27% Very High