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Thank you for visiting the website of Sentry Security Services. Contact us today to request a free quote or estimate for our first-rate security services. You may also fill out the form on this page to send us your comments or inquiries.

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Service Areas

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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
  • Kern County
  • Santa Barbara County
  • Los Angeles County
  • Ventura County
  • Orange County
  • San Bernardino County
  • Riverside County
  • San Diego County
  • Imperial County

Contact Information

Sentry Security Services

Phone: 1-888-SENTRY-1

Email: [email protected] 

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