D.C. Home Security | Free* System with Camera Purchase

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The Best Home Security Company in D.C.

Backed by experts passionate about keeping people and communities safe, we offer custom smart security solutions easily integrated with home automation and managed from our mobile app.

Award-winning Monitoring

Free Professional Installation

Custom Home Security Packages

Guardian Solutions for Washington, D.C.

Customized to fit your home, budget, and most importantly, your security needs.

Call 410.760.4836

Professionally installed security systems
Award-winning 24/7 monitoring
Backed by a team of security experts

Your Partner in Protection

Recognized as a top 10 security company nationwide, Guardian Protection has been helping keep the Greater Washington, DC metro area safe for decades.

We offer the very best smart home security and business security solutions — installed by experts, monitored 24/7 by people who care and elevated with automation technology.

In short, we’ve got DC covered.

Guardian Protection – Washington, DC
9125 Guilford Road
Columbia, MD 21046
410.760.4836

Call 410.760.4836

Home Security van parked in front of a residential home

Smart Security Service Areas in the Greater D.C. Area

Guardian Protection – Columbia, MD

9125 Guilford Road

Columbia, MD 21046

Sales Hours

Monday – Saturday from 8:30 AM – 5:00 PM ET

410.760.4836

Service Hours

Monday – Friday from 8:00 AM – 5:00 PM ET

800.857.5027

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D.C. Outdoor Camera Rebate Program

We have great news if you want to add cameras to your security system! D.C. residents can now be reimbursed up to $200 per outdoor camera! Whether you’re looking for an outdoor camera for your home or business, registering your new device with the Metropolitan Police Department makes adding this camera to your security system even easier.

Find Your Outdoor Camera!

Guardian Protection outdoor security camera with video footage shown on a smartphone below camera

True Experiences From True Customers

With more than 70 years of experience, we've helped saved many customers during their time of need through our monitoring services. Read a few of our customers' stories.

"I love this security system! I wouldn't use anyone else. The picture is clear, and the person that did the installation walked me through everything and was very nice. I am definitely satisfied!"

April S.

My family and I are well pleased with Guardian. We have set off our alarm system by mistake a few times and Guardian responded quickly to make sure we were safe or needed help.

Charles M

"I LOVE GUARDIAN! I feel extremely safe, my surround sound is awesome, my video doorbell is so convenient when I’m not home! My guests are always impressed! 10 stars!"

Lauren G.

"I found Guardian to be very responsive to my needs. They scheduled my installation within a day of my request. The technician was pleasant and efficient."

Angela G.