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16 Best Private Security Companies in San Diego

Even the safest neighborhoods and cities need security — and there is no shortage of top-notch private security companies in San Diego.

Whether you need a company to provide vehicle patrols to a residential area, uniformed guards to help secure a large event, or unarmed security at a business or commercial vendor, there are a number of companies that can provide these services in San Diego.

Private Security Companies in San Diego

We’ve collected a list of the best private security companies in San Diego and organized them by neighborhood, so you can get private security wherever you live in the county.

North County Coastal Private Security Companies

If you need security in Oceanside, Encinitas, Carlsbad, or another one of the cities that dot the San Diego County coast, there are some great options. All you need to do is choose one of these private security companies in the North County Coastal region.

One Shield Security Services

One Shield Security Services is an Oceanside-based private security company that offers a full range of services, from unarmed security to CCTV monitoring. The company prides itself on providing a premium service through hiring and training the right people for the job.

• Address: 825 College Blvd., Suite 102 #328, Oceanside, CA 92057
• Phone: (760) 421-9038

Rancho Santa Fe (RSF) Security

Rancho Santa Fe Security Systems is a company that provides both residential and business security systems, as well as security patrols and alarm response. This provider of private security in San Diego is specifically located in the Encinitas region and is well-versed in best practices for access control.

• Address: 1991 Village Park Way #100, Encinitas, CA 92024
• Phone: (800) 303-8877

Calsec Services

Calsec is a Carlsbad-based private security company serving all of San Diego with services ranging from black-tie event security to rural location patrols. With a staff of highly qualified security officials, Calsec is a great choice for security guard services in San Diego.

• Address: 2100 Palomar Airport Rd., Suite 214, Carlsbad, CA 92009
• Phone: (800) 839-6906

Iron Wall Security Services

Based in Carlsbad but serving all of Southern California, Iron Wall Security Services is a company that provides private investigations, VIP protection, and armed guard patrols. Beyond its guard services, the firm also offers transportation, training, and risk analysis for corporate clients.

• Address: 2100 Palomar Airport Rd, Suite 204, Carlsbad, CA 92011
• Phone (760) 646-8864

North County Inland Private Security Companies

Those looking for private security services in San Diego, CA — and specifically the North County Inland region — will likely find the perfect company for their needs below.

Brothers in Arms Private Security

Brothers in Arms Private Security is a private security company in North County Coastal San Diego that was founded by a U.S. Marine with 12 years of military experience. The company offers security to properties — including security patrol vehicles — across California, including private office buildings and gated communities.

• Address: 830 East Vista Way, Suite 214, Vista, CA 92084
• Phone: (844) 458-1021

ASAP Security

ASAP Security is a company that provides patrol services, unarmed and armed security officers, and round-the-clock security monitoring. Like some other security guard companies in San Diego, many of its employees are former military or law enforcement with years of training and experience.

• Address: 106 S Grape St, Escondido, CA 9202
• Phone: (833) 272-7247

Knight Security

Knight Security is a company focusing on home and commercial security systems, including video surveillance. It also happens to be the only security system company in San Diego that has its own security guard division.

• Address: 2418 Auto Park Way Escondido, CA 92029
• Phone: (760) 745-3604

Central San Diego Private Security Companies

There are many private security companies in San Diego that provide their services to the central region of the city. Here are some of our picks for the best ones.

Westcoast Security & Investigative AGI

Westcoast Security & Investigative Agency is a San Diego-based provider of a range of security-related offerings. Whether you need plainclothes security officers, VIP protection guards, or loss prevention agents, this security agency has a service for pretty much any client.

• Address: 3650 Clairemont Dr, San Diego , CA 92117
• Phone: (888) 961-7776

Executive Protection & Security Agency

Executive Security isn’t just another private security company that offers unarmed and armed guards. Instead, Executive Security provides a number of services, from 24/7 executive protection to unarmed guards and fire watch security.

• Address: 2707 Garnet Ave suite 8-b, San Diego, CA 92109
• Phone: (888) 510-4423

East County Private Security Companies

Need a security guard service in East County? There are a number of options that provide unarmed and armed guards, as well as other related security products.

Security First

Whether you need a VIP protection officer or a vehicle to patrol a site, Security First in El Cajon has a number of different private security services. It offers real-time reporting through SilverTrac, which allows clients to view security activity in real-time.

• Address: 554 N. Second St., El Cajon, CA 92021
• Phone: (619) 243-3992

Bravo Three

Bravo Three is a security company founded on 75 years of experience in both the U.S. Military and law enforcement agencies. From residential security to VIP protection to firearms training, Bravo Three is among the full-range security companies in San Diego.

• Address: 8400 Magnolia Ave N, Santee, California 92071
• Phone: (619) 328-0671

BSE Security Service

BSE Security Service offers security training, private investigative services, and event security to San Diego clients. It’s 100% veteran-owned and based in Santee, and can provide both security guards and private investigators to customers.

• Address: 10765 Woodside Ave, Suite E, Santee, California 92071
• Phone: (619) 368-3119

South Bay Private Security Companies

If you’re looking for Chula Vista private security or similar services in the surrounding areas, here are some excellent picks.

JDS Security Services

JDS Security Services can help you shore up defenses across all areas of your life. The company has a range of offerings, including cybersecurity services, camera surveillance services, and drone-based patrolling.

• Address: 1075 Bay Blvd, Chula Vista, CA 91911
• Phone: (619) 374-4020

EagleEye International Protective Services

EageEye International Protective Services is a national company that provides security services to a number of different states. Don’t worry if you need private security in San Diego, this firm is headquartered in “America’s Finest City” and provides everything from private investigations to residential security.

• Address: 1045 Bay Blvd. B., Chula Vista, CA 91911
• Phone: (800) 372-8147

Unit Private Security

Unit Private Security offers uniformed guard services, event security, and vehicular security patrol in San Diego. This company prides itself on a rigorous hiring process and its confidence in every single guard that it hires and trains.

• Address: 2267 Poipu Way, San Diego, CA 92154
• Phone: (619) 654-4421

There’s a Security Option for Everyone in San Diego

No matter why you need private security in San Diego, there’s undoubtedly a service that can meet your specific needs and circumstances. With the services above, you’ll be able to find pretty much any security offering you need — from event security to private detective services

Now that you know about the best private security companies in San Diego, all you have to do is decide which service to go with based on proximity and requirements. And if you need cyber security services in San Diego, check out these top-rated companies.