ZIP code 94574

Napa and Sonoma counties, including St. Helena, Deer Park and Rutherford

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Report created October 27, 2026 at www.firezones.info/zip/94574

Summary

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    58% Very High

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

  • Fire history

    Share of the land inside a recorded wildfire perimeter

    59% has burned

    Most recently the 2021 Spring Fire, which burned 2 acres here, one of 31 fires on record.

  • Power line fire risk

    Share of the land in the High Fire-Threat District

    49% 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 47,103 acres · 45,795 state, 1,308 local 58%
  2. High 21,460 acres · 20,172 state, 1,288 local 27%
  3. Moderate 3,022 acres · 1,565 state, 1,457 local 4%
  4. Non-wildland 4,306 acres · Local Responsibility Area 5%
  5. Not mapped by CAL FIRE 4,913 acres · Mostly federal land 6%

80,805 acres of land in all, 67,533 in the State Responsibility Area and 8,359 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. 2020 Hennessey Fire Of 305,352 acres in all · Cause: Lightning 24,107 acres
  2. 2020 Glass Fire Of 67,484 acres in all 15,200 acres
  3. 1995 Priest Fire 5,109 acres
  4. 1954 County Roadside #19 Fire 3,488 acres
  5. 1983 Howell Mtn. Fire 2,335 acres
  6. 2017 Nuns Fire Of 55,798 acres in all 1,969 acres
  7. 1981 Atlas Peak Fire Of 33,606 acres in all · Cause: Arson 1,755 acres
  8. 1983 Pope Canyon Fire Of 1,682 acres in all · Cause: Equipment use 1,414 acres
  9. 2000 Berryessa Fire Of 4,860 acres in all · Cause: Vehicle 1,273 acres
  10. 1959 R. Wilson Fire Of 3,504 acres in all 1,229 acres

And 21 smaller fires. In all, 47,970 acres of ZIP code 94574 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 94574

Neighboring ZIP codes

  1. 94574 58% Very High · this area
  2. 94508 76% Very High
  3. 94515 76% Very High
  4. 94558 56% Very High
  5. 94567 70% Very High
  6. 94573 14% Very High
  7. 94576 100% Very High
  8. 95404 27% Very High
  9. 95409 37% Very High
  10. 95452 71% Very High