United Security Services, Your Best Choice for Security Services in San Marcos, CA

United Security Services San Diego is one of the best security guard service providers in San Diego. We have a quick and efficient security service which we are inevitably providing 24/7 so as to avoid any attacks and crimes from happening.
We are dedicated to delivering security guard services at a minimal price per hour rate and with no long-term deal. We would like you to know that your assets and property are in safe hands when they are with United Security Services San Diego. Also, we can establish an existence at your store, or provide event security at any place you want us to be in San Maros.
  • All of our guards are licensed by California’s BSIS and receive ongoing, in-depth security training from retired police officers.
  • We have one of the most thorough interviewing and screening processes for hiring new security guards.
  • We verify guard patrols using a state-of-the-art, GPS enabled app system.
  • Supervisors are able to provide regular patrol checks of our guards when they are on assignment.
  • We are able to monitor the effectiveness of our security services on an ongoing basis and adjust them as needed so that they are as effective as possible at minimizing crime and unwanted behaviors.
  • Our guards always arrive on time, in uniform, and with everything they need to perform their post duties

Our Security Services of San Marcos

United Security Services is a licensed private patrol operator. We’re members of CALSAGA, the Better Business Bureau, and our local area Chamber of Commerce. We exceed the state’s requirements for commercial auto liability, general liability and worker’s compensation, but can also increase our limits as needed by our clients.

Security Services for San Marcos, California, Manufacturing Companies, Storage Facilities, Warehouses and More

United Security Services also serves the City of San Marcos, where there's an abundance of industrial, commercial, and residential properties in need of additional security support.

We secure and protect these sites using custom-designed security plans, standing guard services, alarm system installation/monitoring, and more. Call us today for a free quote. Our rates are always low, but if you are able to get a written quote from a competitor with a lower price, we guarantee to match or beat it.

We Offer a Full Selection of Private Security Services in San Marcos, California

As a full-service private security company, United Security Services is able to support a full range of security needs in San Marcos, California.

though San Marcos has a moderate crime rate when compared to many Southern California cities, San Marcos rates for violent and property crime are still higher than several nearby cities, including Carlsbad, Encinitas, San Marcos, and Santee.

That's why many businesses and HOAs decide to invest in private security. Call today to learn more about our affordably priced security services for the San Marcos area.

Why You Should Hire a Private Security Company in San Marcos, California

Private security companies offer San Marcos, California, residents a range of benefits. On-site guards can make a residential or business community feel safer, put patrons at ease, improve customer loyalty, reduce liabilities, enforce private parking regulations, keep crowds under control, and more.

Further, by choosing United Security Services, you can trust that we are qualified to customize our private security services to suit almost any security need or budget. Call now.


1750 CALIFORNIA Ave Ste 210
Corona, CA 92881


402 West Broadway Suite 400
San Diego, CA 92101
515, South Flower St. Suite
1900 Los Angeles, CA 90071

2400 Barranca Parkway Suite,
440, Irvine, CA 92606