Santa Clara County

County in California

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Report created October 27, 2026 at www.firezones.info/county/085/santa-clara

  • Fire hazard severity zones

    Share of the land in each CAL FIRE hazard class

    51% 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

    26% has burned

    Most recently the 2025 Dino Fire, which burned 12 acres here, one of 86 fires on record.

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  • Power line fire risk

    Share of the land in the High Fire-Threat District

    11% 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 423,778 acres · 408,846 state, 14,933 local 51%
  2. High 152,609 acres · 123,110 state, 29,499 local 18%
  3. Moderate 50,082 acres · 24,588 state, 25,494 local 6%
  4. Non-wildland 194,384 acres · Local Responsibility Area 23%
  5. Not mapped by CAL FIRE 11,247 acres · Mostly federal land 1%

832,101 acres of land in all, 556,543 in the State Responsibility Area and 264,310 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 Scu Lightning Complex Of 396,824 acres in all · Cause: Lightning 165,225 acres
  2. 2007 Lick Fire Of 47,748 acres in all · Cause: Debris burning 23,621 acres
  3. 1961 Bollinger Ridge Fire Of 32,866 acres in all 16,231 acres
  4. 1985 Lexington Fire Of 13,128 acres in all · Cause: Arson 12,420 acres
  5. 1961 Austrian Gulch Fire 9,032 acres
  6. 1952 Saunders Fire 7,219 acres
  7. 1955 Fletcher Fire 6,517 acres
  8. 2020 Crews Fire Cause: Playing with fire 5,513 acres
  9. 2003 Jump Fire Cause: Lightning 4,894 acres
  10. 2016 Loma Fire 4,465 acres

And 76 smaller fires. In all, 218,255 acres of Santa Clara County 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

Cities and towns in Santa Clara County

Unincorporated communities in Santa Clara County

ZIP codes in Santa Clara County

63

Neighboring counties

  1. Santa Clara County 51% Very High · this area
  2. Alameda County 25% Very High
  3. Merced County 9% Very High
  4. San Benito County 45% Very High
  5. San Joaquin County 10% Moderate · 4% Very High
  6. San Mateo County 21% Very High
  7. Santa Cruz County 9% Very High
  8. Stanislaus County 22% Very High