ZIP code 94515

Sonoma and Napa counties, including Calistoga

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Report created October 27, 2026 at www.firezones.info/zip/94515

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    76% Very High

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

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  • Fire history

    Share of the land inside a recorded wildfire perimeter

    79% has burned

    Most recently the 2025 Pickett Fire, which burned 1,684 acres here, one of 23 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    88% 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 56,861 acres · 54,483 state, 2,379 local 76%
  2. High 12,988 acres · 11,646 state, 1,342 local 17%
  3. Moderate 2,068 acres · 1,047 state, 1,020 local 3%
  4. Non-wildland 1,248 acres · Local Responsibility Area 2%
  5. Not mapped by CAL FIRE 1,433 acres · Mostly federal land 2%

74,598 acres of land in all, 67,176 in the State Responsibility Area and 5,989 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. 1964 C. Hanly Fire Of 55,961 acres in all 31,199 acres
  2. 2019 Kincade Fire Of 77,762 acres in all · Cause: Power lines 19,534 acres
  3. 2020 Glass Fire Of 67,484 acres in all 18,406 acres
  4. 2017 Tubbs Fire Of 36,702 acres in all 13,409 acres
  5. 1965 P.g.& E.#10 Fire Of 13,172 acres in all 9,110 acres
  6. 1982 Silverado Fire 6,219 acres
  7. 2004 Geysers Fire Of 12,244 acres in all · Cause: Equipment use 3,174 acres
  8. 1945 Unnamed fire 2,483 acres
  9. 2020 Hennessey Fire Of 305,352 acres in all · Cause: Lightning 2,026 acres
  10. 2025 Pickett Fire Of 6,822 acres in all 1,684 acres

And 13 smaller fires. In all, 59,002 acres of ZIP code 94515 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 94515

Neighboring ZIP codes

  1. 94515 76% Very High · this area
  2. 94508 76% Very High
  3. 94567 70% Very High
  4. 94574 58% Very High
  5. 95404 27% Very High
  6. 95448 44% Very High
  7. 95461 89% Very High