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99% Recommended

23 Years In Business

Company Details

  • Verified Licenses


482 West Arrow Highway, Unit D
San Dimas, CA 91773


  • Mon: Open 24 Hours
  • Tue: Open 24 Hours
  • Wed: Open 24 Hours
  • Thu: Open 24 Hours
  • Fri: Open 24 Hours
  • Sat:
  • Sun:
View All Details & Credentials


Service Details

    Areas of Expertise

    • Install and Repair Residential and Business Security Cameras Systems
    • Install and Repair Residential and Business Alarm Security Systems
    • Install and Repair Residential amd Business Fire Systems
    • Install and Repair Residential and Business Intercoms, Access Control
    • Custom Design Senior Medical Alert Systems
    View All Offerings and Cities Served

    Cost Information

    • Free Estimates
    • Warranty Offered
    • Credit Cards Accepted


    103 Verified Reviews
    • 5
    • 4
    • 3
    • 2
    • 1

    Highly rated for

    • Quality
    • Value
    • Customer Service
    Showing 1-10 of 103 reviews Showing 0 reviews
    5.0 Cara H. Los Angeles, CA

    RMS was fantastic, extremely professional, very thorough. I would highly recommend them!

    5.0 Arvon L. Simi Valley, CA

    The tecks where very professional. They explained all i needed to know about the system. The quality of the cameras was better than i expected .


    This project went so smoothly. Starting with John taking all the time he needed to answer all of my questions. The installation of the cameras went flawlessly. Time was taken to explain all I needed to know about the use of the camera system. John has reassured me he is a phone call away if I need any help in the furture.

    5.0 Charlie M. Santa Clarita, CA

    Very professional people. Ethical, straight forward and delivered the job excellently and in a very timely manner. Tip-top performance

    5.0 Jose A. Winnetka, CA

    They’re very profesional and very good on the job they know what the best location to have a best result for your equipment

    5.0 Randy H. Los Angeles, CA

    The install went flawless. The product(s) absolutely work as described! You can see what you need to and easily find what you need if you need to get back to an event. RSM is certainly not the cheapest, but the quality of all aspects is worth every penny.

    5.0 Donald D. Redondo Beach, CA

    Professional from contact to installation. Needed additional camera installed months later, same professional experience. Was able to view cameras from Italy while on vacation. Quite the security comfort.

    5.0 Robin C. Agoura Hills, CA

    I interviewed several companies and went with RSM and I'm glad I did. They gave me exactly what I needed without overselling things I wouldn't need. They were professional and made sure that I understood how the system worked. I definitely recommend them.

    5.0 Craig S. Calabasas, CA

    They were prompt and thorough with there job. They kept me informed as to what they were doing and made sure it was what I wanted. At one point, even though I was satisfied with my camera reception, they weren’t and made the proper adjustments until it met their standards.

    5.0 Linda S. Sunland, CA

    John was great. He worked with me due to my tight schedule and explained all my options so I did not spend money on unnecessary items. His crew was professional and friendly. They showed up on time and completed the job as scheduled. I looked at many companies and got the run around and heavy sales pitch. Not with RSM....they didn't play games or get pushy. I am happy with my choice of going with RSM Security.

    Showing 1-10 of 103 results Showing 0 of 0 results


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