ZIP code 91355

Los Angeles County, including Santa Clarita

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Report created October 27, 2026 at www.firezones.info/zip/91355

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    48% 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.

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  • Fire history

    Share of the land inside a recorded wildfire perimeter

    53% has burned

    Most recently the 2018 Commerce Fire, which burned 14 acres here, one of 29 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    100% 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.

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Land by hazard class

  1. Very High 4,167 acres · 1,666 state, 2,501 local 48%
  2. High 466 acres · Local Responsibility Area 5%
  3. Moderate 408 acres · Local Responsibility Area 5%
  4. Non-wildland 3,553 acres · Local Responsibility Area 41%

8,594 acres of land in all, 1,666 in the State Responsibility Area and 6,929 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. 1962 Golden Fire Of 9,233 acres in all 1,687 acres
  2. 1979 Chiquita Fire Of 2,222 acres in all 1,512 acres
  3. 1988 Piru Fire Of 13,311 acres in all · Cause: Power lines 1,355 acres
  4. 1979 Wayside Fire Of 2,499 acres in all 903 acres
  5. 2017 Rye Fire Of 6,048 acres in all 812 acres
  6. 1943 Newhall No. 197 Fire Of 2,032 acres in all 775 acres
  7. 1921 Charlie Cyn Fire Of 5,324 acres in all 739 acres
  8. 1921 Unnamed fire 514 acres
  9. 1913 Unnamed fire Of 8,355 acres in all 467 acres
  10. 1958 Unnamed fire 454 acres

And 19 smaller fires. In all, 4,576 acres of ZIP code 91355 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 91355

Neighboring ZIP codes

  1. 91355 48% Very High · this area
  2. 91321 66% Very High
  3. 91350 80% Very High
  4. 91354 62% Very High
  5. 91381 92% Very High
  6. 91384 60% Very High