ZIP code 94903

Summary

• Fire hazard severity zones

  Share of the land in each CAL FIRE hazard class

  Map
  1. High 6,300 acres · 4,240 state, 2,060 local 49%
  2. Moderate 3,471 acres · 2,819 state, 652 local 27%
  3. Non-wildland 2,965 acres · Local Responsibility Area 23%
  4. Not mapped by CAL FIRE 2 acres · Mostly federal land <1%

  12,739 acres of land in all, 7,059 in the State Responsibility Area and 5,678 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 39 fires that burned here

  Map
  1. 1923 Uknown Fire 31,769 acres in total 4,286 acres here
  2. — Freitas Ranch Fire 1,003 acres here
  3. — Uknown Fire 1,494 acres in total 859 acres here
  4. — Uknown Fire 1,184 acres in total 640 acres here
  5. — Uknown Fire 525 acres here
  6. 1974 Marinwood Fire 423 acres here
  7. 1987 Big Rock Fire 407 acres in total 358 acres here
  8. — Uknown Fire 288 acres in total 259 acres here
  9. — Uknown Fire 228 acres here
  10. — Uknown Fire 225 acres in total 222 acres here

  And 29 smaller fires. The most recent was the 2000 Elvia Fire, which burned 5 acres here. In all, 7,414 acres of ZIP code 94903 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