Areas Served

Take control of your home or business security with California Security®.


Your Complete Alarm Company – UL Approved Central Monitoring Station, Owned and Operated Since 1971.


Areas we cover:


  • San Francisco and East Bay
  • Santa Clara and San Jose
  • Truckee
  • Napa and Sonoma Valleys
  • Sonora and Twain Harte


Make Sure Your Home and Business are Protected with California Security®!