San Anselmo Private Security Guards & Services

Welcome to First Security Services, the leading security guard contractor in San Anselmo.


San Anselmo is a town in Marin County with a population just over 12,000. Snugly nestled in Ross Valley, San Anselmo has a small town charm and views of the scenic hills of Ross Valley.


Much of the land in San Anselmo was used for farming cattle until the development of the North Pacific Coast Railroad in 1875, when the town became a junction for the route between Sausalito and Tomales.




Submit the free online quote form or call us at 1-800-778-3017 and start protecting your investment today!


Hire Security Guards in San Anselmo


Our Mission is to deliver top of the line security to all aspects of business and industries in the Marin County. From our local offices, we can facilitate comprehensive security solutions and the most highly trained security guards for personal, residential, commercial and corporate security.


  • Overnight security guards

Our overnight security guards are among the best in the industry and  have been protecting businesses and individuals in San Anselmo for more than 30 years. We are proud to protect the residences, business, offices and construction sites of San Anselmo.


  • Armed and unarmed security guards

We offer both armed and unarmed security guards in San Anselmo and all of our security professionals are trained and equipped with the latest in security and communication technology. Our award winning dispatch team operates around the clock to protect the businesses and residential interests of San Anselmo.


  • Retail loss prevention security guards

Our retail security guards and loss prevention agents have extensive training and operate as an extra layer of protection for local businesses in San Anselmo. They have constant contact with our     dispatch team to ensure that all security needs are addressed immediately.


For a free quote, submit the no obligation quote form at the top of the page or call us at 1-800-778-3017!

Property Crime Index

Property Crime Index


San Anselmo’s Best Security Professionals


First Security offers a wide range of professional security guard services to the area. Here are some of more popular services offered in San Anselmo:


  • Armed and unarmed security guards
  • Uniformed and plain clothes security guards
  • Crowd security and parking enforcement
  • Outdoor and indoor event security guards
  • Mobile patrol and alarm monitoring
  • Hospital, bank and government building security
  • Retail security guards and loss prevention
  • Construction site and security guards
  • Overnight security guards and patrol
  • Cannabis security solutions


We also offer security guards for services not listed here and can accommodate virtually any security requirement in San Anselmo. We understand that the security needs of every client are not the same and we offer custom security solutions to meet the needs of our customers.


Crime Rate Indexes

Crime Rate Indexes


Call us for a free security consultation at 1-800-778-3017 or fill our the  online form to get a free quote today!


Looking For Security Guard Jobs In San Anselmo?

At First Security Services, we are always looking for qualified security professionals to add to our talented team. Visit our San Anselmo security guard jobs page to apply today!


Our Santa Rosa Office Location

North Bay

1240 Briggs Avenue
Santa Rosa, CA 95401

Telephone – (707) 584-1110


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