ZIP code 95945

Nevada County, including Grass Valley

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Report created October 27, 2026 at www.firezones.info/zip/95945

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    89% 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

    29% has burned

    Most recently the 2021 Bennett Fire, which burned 50 acres here, one of 14 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    72% 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 35,399 acres · 32,773 state, 2,626 local 89%
  2. High 1,289 acres · 939 state, 349 local 3%
  3. Moderate 438 acres · 223 state, 214 local 1%
  4. Non-wildland 126 acres · Local Responsibility Area <1%
  5. Not mapped by CAL FIRE 2,446 acres · Mostly federal land 6%

39,698 acres of land in all, 33,936 in the State Responsibility Area and 3,316 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. 1917 Unnamed fire Of 6,269 acres in all 6,003 acres
  2. 1916 Unnamed fire Of 3,923 acres in all 2,292 acres
  3. 2015 Lowell Fire Of 2,316 acres in all 1,087 acres
  4. 2021 River Fire Of 2,619 acres in all 1,044 acres
  5. 1951 Rattlesnake Fire Of 586 acres in all 557 acres
  6. 1953 Sunshine Valley Fire 335 acres
  7. 2021 Bennett Fire 50 acres
  8. 2006 Rollins Fire Of 43 acres in all · Cause: Playing with fire 42 acres
  9. 2016 Auburn Fire Cause: Arson 24 acres
  10. 1960 Newnan Lightning #9 Fire Of 739 acres in all 16 acres

And 4 smaller fires. In all, 11,440 acres of ZIP code 95945 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 95945

Neighboring ZIP codes

  1. 95945 89% Very High · this area
  2. 95713 69% Very High
  3. 95714 90% Very High
  4. 95946 42% Very High
  5. 95949 48% Very High
  6. 95959 59% Very High
  7. 95975 65% Very High