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Service Areas

Page subtitle

San Mateo County
We serve the following counties in California:


  • Alameda County
  • Contra Costa County
  • Napa County
  • Santa Clara County

    Solano County

  • Sonoma County

  • San Joaquin County
  • Fresno County
  • Madera County
  • Kings County
  • Tulare County
  • NEW! Kern County
  • NEW! Santa Barbara County
  • NEW! Los Angeles County
  • NEW! Ventura County
  • NEW! Orange County
  • NEW! San Bernardino County
  • NEW! Riverside County
  • NEW! San Diego County
  • NEW! Imperial County

Contact Information

Sentry Security Services

Phone: 1-888-SENTRY-1

Email: [email protected] 

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