San Geronimo Private Security Guards & Services

 Hire Armed and Unarmed Security Guards In San Geronimo


Welcome to First Security Services, the best security guard company in San Geronimo!


San Geronimo is a small community in Marin County’s San Geronimo Valley with a population of around 500 residents. The area was previously known as Nicasio.


First Security Services, have provided the San Geronimo area with security guards for more than 30 years. The communities we serve are our priority and we are proud to be Marin County’s top rated security guard company.


San Geronimo Private Security Guards & Services

Call us at 1-800-778-3017 to book security guards in San Geronimo today, or you can get a free quote by filling out the online submission form!


Construction Site, Residential and Retail Security Guards


We use a rigorous hiring process to ensure that we hire only the best and brightest security guards in the security industry. All of our security guards are trained by leading security experts in their field and are equipped with the latest in security and communication technology.


Here are some of our most popular services in Marin County:


  • Construction site security guards

Our construction site security guards provide facilities and site security as well as alarm monitoring, mobile patrol and overnight security services. We are rated as one of the top construction site security companies in all of California and our combination of technology, experience and knowledge are unparalleled in the security industry.

  • Retail security guards

Loss prevention and retail security are important if you want to keep your business safe and protect your investment. Our armed and unarmed security guards both work in tandem with our award winning dispatch team, which operates around the clock to handle any issue that may arise.


  • Apartment complex and HOA security

Our security guards provide security for homeowner’s associations and apartment complexes in San Geronimo and throughout Marin County. We also have private security guards for individual residential properties.


For a free quote, fill out the submission form at the top of the page or call us at 1-800-778-3017 for a security consultation today!


San Geronimo’s Best Security Guard Contractors


As one of the leading security guard companies in San Geronimo, First Security Services offers a wide array of different security services. Here are just some of the options we offer:


  • Shopping mall, retail complex and community security guards
  • Armed and unarmed security guards
  • Alarm monitoring and loss prevention agents
  • Mobile patrol and security dispatch
  • Uniformed and plain clothes security officers
  • Executive protection and corporate bodyguards
  • Commercial and residential security
  • School, campus and university security guards
  • Security guards for festival and special events
  • Parking lot patrol and parking enforcement
  • Cannabis security


We also offer custom security solutions designed specifically to meet the needs of our clients that may need an extra level of security and safety for their home or business.


Call us today at 1-800-778-3017 to hire security guards in San Geronimo, or fill out the free online quote form and click submit!


Looking For Security Guard Jobs In San Geronimo?

At First Security Services, we are always looking for qualified security professionals to add to our talented team. Visit our San Geronimo 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