Why Us?

With over 50 years of experience, First Security Services has emerged as an industry leader in providing comprehensive security solutions for industrial complexes, businesses, school districts, and government and healthcare facilities.

Starting out as a modest security force in Santa Cruz County, First Security Services has grown into the premier contract security provider in California, serving counties from Sonoma to Monterey. Headquartered in Silicon Valley, the company now has a security force of over 2,000 highly trained professionals and a presence in virtually every major city in the state.

As a trusted and dependable security option, First Security Services offers customized solutions that cater specifically to the safety needs of our customers.

For a free quote or to learn more about the wide range of services that we provide, call us at 1-800-778-3017.

First Security Services Corporate Headquarters
1731 Technology Drive #800
San Jose, CA 95110
Telephone +1-800-778-3017

San Jose
2025 Gateway Place Suite 262
San Jose, CA 95110
Telephone (408) 452-5780

Santa Cruz County
1111 Estates Drive
Aptos, CA 95003
Telephone – (831) 685-1110

Monterey/San Benito Counties
1473 N. Davis Road
Salinas, CA 93906
Telephone – (831) 758-1110