Santa Clara County

Summary

• Fire hazard severity zones

  Share of the land in each CAL FIRE hazard class

  Map
  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 April 1, 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

• Fire history

  The 10 largest of 86 fires that burned here

  Map
  1. 2020 Scu Lightning Complex 396,824 acres in total · Cause: Lightning 165,225 acres here
  2. 2007 Lick Fire 47,748 acres in total · Cause: Debris burning 23,621 acres here
  3. 1961 Bollinger Ridge Fire 32,866 acres in total 16,231 acres here
  4. 1985 Lexington Fire 13,128 acres in total · Cause: Arson 12,420 acres here
  5. 1961 Austrian Gulch Fire 9,032 acres here
  6. 1952 Saunders Fire 7,219 acres here
  7. 1955 Fletcher Fire 6,517 acres here
  8. 2020 Crews Fire Cause: Playing with fire 5,513 acres here
  9. 2003 Jump Fire Cause: Lightning 4,894 acres here
  10. 2016 Loma Fire 4,465 acres here

  And 76 smaller fires. The most recent was the 2025 Dino Fire, which burned 12 acres here. 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