ZIP code 91768

Los Angeles County, including Pomona

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Report created October 27, 2026 at www.firezones.info/zip/91768

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    18% High · 4% Very High

    Most of the 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

    4% has burned

    Most recently the 1995 Lanterman Fire, which burned 8 acres here, one of 9 fires on record.

  • Power line fire risk

    Share of the land in the High Fire-Threat District

    7% Elevated

    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 198 acres · 64 state, 135 local 4%
  2. High 936 acres · 297 state, 639 local 18%
  3. Moderate 334 acres · 74 state, 260 local 6%
  4. Non-wildland 3,780 acres · Local Responsibility Area 72%

5,248 acres of land in all, 435 in the State Responsibility Area and 4,814 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. 1957 Unnamed fire Of 90 acres in all 89 acres
  2. 1970 Ganesha Fire 69 acres
  3. 1929 Le Claire No. 67 Fire Of 162 acres in all 31 acres
  4. 1989 Onyx Fire Of 326 acres in all 15 acres
  5. 1927 Phillips No. 51 Fire Of 364 acres in all 10 acres
  6. 1995 Lanterman Fire 8 acres
  7. 1929 Ryan 116 Fire Of 543 acres in all 8 acres
  8. 1985 Bonelli Fire Of 169 acres in all 5 acres
  9. 1946 Unnamed fire Of 44 acres in all 5 acres

In all, 222 acres of ZIP code 91768 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 91768

Neighboring ZIP codes

  1. 91768 18% High · 4% Very High · this area
  2. 91724 29% Very High
  3. 91750 29% Very High
  4. 91765 55% Very High
  5. 91766 15% High
  6. 91767 No hazard zones
  7. 91773 33% Very High
  8. 91789 17% Very High