1. DCD Security

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Diamond Bar, CA

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DCD Security

5.0 (11 reviews)
Closed • 9:00 am - 6:00 pm

Services - DCD Security

Security system installation

Security system repair

Security monitoring services

DCD Security Photos

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Recommended Reviews - DCD Security

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Photo of Nelson R.
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8 years ago

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15 years ago

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7 years ago

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5 years ago

Just get some camera from this shop it's the best quality and very good service thank alot.

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12 years ago

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11 years ago

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10 years ago

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11 years ago

Outstanding customer service and product knowledge. Richard is extremely knowledgeable and helpful. I highly recommend.

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10 years ago

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11 years ago

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15 years ago

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Review Highlights - DCD Security

“Richard understood my security concerns and made sure I got the right equipment to meet and exceeded my needs.”

Mentioned in 8 reviews

Read more highlights

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TCI Security Cameras - EYEMAX HD 8MP 4K Security Camera - Starlight Night Vision - True WDR - Tripwire Detection - Active Human Detection - Smartphone Alerts

TCI Security Cameras

(163 reviews)

If you're looking for a professional business to install security cameras around your house and…read moreproperty , grab a pencil and write this phone number down +1 (562) 922-3497 That's what I did. Here's what happened. I called Bobby at a company called : TCI Security Cameras at +1 (562) 922-3497 He returned my call within a few hours and scheduled an in home appointment for the following morning. Bobby is not only a personable, pleasant young man to work with, he is also extremely knowledgeable when it comes to security cameras I price checked his bid with three other competitors and his price was right in the middle of the others who supplied a quote. I awarded Bobby and his crew the job; Bobby showed up with one helper within the week and completed the entire installation in one day My Rating......A++. I wish you good luck finding someone better. JF

10/10!! the BEST camera installation you can ever find in the OC/LA area!…read more I can't say enough good things about TCI! We were looking around for a security camera installer and stumbled upon their fantastic reviews on Yelp and Google and they did not disappoint! I gave them a call and they came the same following week! We had 8 CCTV cameras installed, and the quality of both the equipment and the installation is high quality and truly top-notch. What impressed me most was the speed and professionalism. They got all 8 cameras installed and set up within 4 hours!! The last place that did my installation took almost a week to complete lol. Pricing is fair, you get what you pay for! Bobby handled our install, and he was absolutely knowledgeable and professional from start to finish. He clearly knew his stuff and made the whole process smooth and easy! 1000% would recommend to everyone looking for reliable, high-quality camera installation. Again THANKKK YOU Bobby + the TCI team!

DPS Security Services - ADT Authorized Dealer

DPS Security Services - ADT Authorized Dealer

(285 reviews)

My existing security provider shut down their service so it was time to find a replacement. ADT…read morelooked like the best option but 9 years ago I tried them and it didn't turn out well, but time for a second chance. Ruben came out and he still provides an excellent sales experience. But the BIG difference was that this time Miguel, the service technician, actually knew what he was doing! He worked in a timely fashion, went over everything prior to the install, made sure everything was working properly (even double checked) and answered all my questions. Could not be happier with the experience this time. So five star review! One of my pet peeves with Yelp reviewers in general is that everybody is afraid to share pricing info. I'm sure readers are dying to know how much their requested service "should" cost. Often they say "reasonable", "better than another quote" etc. - which are all totally useless. Give us actual numbers! Reviewers seem to have love affairs with their service people and cost just isn't that important, at least in their reviews. For this service (think ADT pricing is pretty standard) - equipment cost for 5 motion detectors, 5 sensors and security panel $200 + tax including install. Wish they had cameras, but it was suggested that Ring is best for those. Monitoring charge is $45/month for a two year contract.

I recently got ADT Security via DPS Security Services. They…read morewere terrific ! First Ruben came to the house and assessed my needs. Then Miguel came out for the installation. I was very impressed with them both and especially want to thank Miguel for not only his work installing the system but also all the time he took patiently explaining to us the features of the system and how to use it.I feel I made a good choice with our new security system.

San Marino Security Systems - San Marino's Best Home and Business Security Systems

San Marino Security Systems

(236 reviews)

San Marino Security Systems installed both an alarm system and a camera system. After a brief,…read moreunpleasant encounter with the other security company P--t, we realized that we needed a security company that would "not just send a sales person " but a company that would do the job. After all, we are talking about home protection, not selling shoes here. The alarm installers showed up on time, introduced themselves, and were very easy to work with. Thank you, Ulysses, Marlin, and Edison. Then we had San Marino replace our old camera system. They did a fantastic job of getting all the cameras to cover the strategic areas. I was impressed! Thank you Dennis, Victor, and Chris. I will soon replace my alarm system and cameras at my business, and recommend San Marino Security Systems to anyone who may be serious about protecting their home with an alarm and camera system. They are the best in the business!

I just had my security system upgraded with new equipment and new technology by San Marino Security…read moreSystems. This company is top notch, both in service and quality of work. Phil (owner) is super knowledgeable and patient, explaining all the functions and different details of the system to my wife and me. The technicians, Dave & Ulysses, were very professional and respectful during the whole installation. They arrived on time, wore shoe covers inside the house, and cleaned up after themselves at the conclusion of the install. They answered all of our questions and finished in a timely manner. Everything with this process was seamless working with SMSS. From administrator Jenny, technicians Dave and Ulysses, to owner Phil, everyone showed why this company has been around for decades and will be around for decades more!

Security Eco

Security Eco

(181 reviews)

This is the second system we had Security Eco put in our home. The first was years ago and our…read moremonitor finally went out. After losing all contact and information with their company I went to yelp to try to find a security company to install a system, I called their number and Elihu remembered me and asked is this Lucy? OMG!!! WOW!!! I found them! Well Elihu came out to our home again and gave us a GREAT system and price this time more upgraded and more features. During install we did have a failure of communication regarding one camera being placed in the wrong spot, after the job was done I noticed it and I told them that this was the wrong spot and they were more than gracious to place it where I wanted and needed it after the whole job was done and spending more than 8 hours working they still went out of their way to place the camera where I had asked them to without it being a problem. Thank you so very much for being here for us AGAIN! Anyone looking for a great security camera system look NO further Elihu and his crew are great and they do a great job!

Elihu and his team are completely professional and extremely hardworking. We needed a serious…read moreupgrade to our home security system and Security Eco stepped up 1st to the job. They conducted an in-home assessment and quoted a price within hours. Unknown to Elihu, I did some serious AI analysis on his proposal and the equipment and labor charges were better than fair. When his guys showed up on time yesterday, they worked extra hours to finish the job before sundown and ran me through a compete tutorial on the system. Moreover, they were happy to make camera adjustments to meet my satisfaction even when that meant extra time high up on ladders and in the attic in almost 100 degree heat! All I can say is I'm thrilled with the job they performed and I fully recommend them!

DCD Security - securitysystems - Updated November 2026

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