At First Security Services, Service Is First.

First Security Services has been a leading provider of comprehensive security services since 1966, offering security solutions throughout the Bay Area and surrounding counties. Among our clients are local businesses, property management companies, individuals and municipalities.



We offer a range of services including but not limited to:

  • Private Security Guards
  • Vehicle Patrol
  • Alarm Response
  • Armed & Unarmed Security
  • Residential Security
  • Office & Construction Site Security
  • Loss Prevention
  • Special Event Security
  • Executive Protection & Corporate Security
  • Bodyguards

View The Full List Of Our Services



The private security officers of First Security Services offer around-the-clock communications support of the highest caliber, a service for which we have been rated as the best in all of California.



Our services have been independently audited and evaluated by CALSAGA, the California Association of Licensed Security Agencies, Guards and Associates. First Security Services was awarded the highest professional rating of “Certified Security Services Provider” by CALSAGA and we are the only contract security company in all of California to have received such a rating.



With a focus on safety, protection, confidentiality and discretion, our services cater directly to the needs of our clients. We view our customers as an integral part of the community and put their needs first, as opposed to becoming a lost statistic in a vast national database.



In short, if you have a security need, First Security Services can offer a highly capable and trusted solution.



For a free quote or other related questions, contact us at 1-800-778-3017 or complete the short form to the right and click submit.