Take Advantage of Our Free Quotes and Estimates





Click here to add a short description

LEARN MORE

Get in Touch With Us

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.

Service Areas

Page subtitle


We serve the following counties in California:


  • Alameda
  • Contra Costa
  • Napa
  • San Joaquin
  • Santa Clara
  • Solano
  • San Mateo County

Contact Information

Sentry Security Services

Phone: 1-888-SENTRY-1

Email: [email protected] 

Edit button text

Inquiry Form


What type of job site or property do you need security for?
How long do you expect to have our services for?
This site uses Google reCAPTCHA technology to fight spam. Your use of reCAPTCHA is subject to Google's Privacy Policy and Terms of Service.

Thank you! Your message was sent successfully.

Sentry Security Services, Inc.

3350 Clayton Rd., Suite 220, Concord, CA 94519

Phone: 1-888-SENTRY-1

Email: [email protected]

Insured and Licensed PPO #120678

/