Metro Detroit’s Premier Security, Audio/Video, Smart Home, & Networking Company

Custom Solutions For Residential & Commercial Properties

For Homes & Businesses, we’re the only company you need for your security, home theater, A/V, and smart home automation needs in Metro Detroit.

Home Theaters

Create your dream entertainment experience in your home.

Outdoor Audio

Enhance your outdoor living space through quality audio equipment.

New Construction Low Voltage Wiring

Consider all of your audio, video, and smart home set up in your new construction or remodels from the outset.

Security Systems

Gain peace of mind knowing your home is protected and secure.

Business Security Systems

Protect your business and your commercial property.

Security Cameras

Placing cameras to protect every angle.

Fire Alarm Systems

If a fire happens, know your business is protected whether your team is there or not.


Setting up conference rooms, speakers throughout your building, & more
Access Control: Be in control of who enters your building.

What our Customers are Saying

"William at Castle is awesome! He is extremely knowledgable, friendly, reliable, courteous, and respo..."

Dana Moceri

"The two guys that came and installed my systems on both houses did a tremendous job. They answered a..."

Joe Ferry

"Very happy with all service provided. Affordable camera installation and top-notch customer service...."

Kristy Benson

"Highly recommend Castle for your install! Very informative, and professional crew. They installed a ..."

Douglas Collins

"Excellent customer service before, during and after the installation. Castle answered all of my ques..."


"I was VERY pleased with the camera system, and the professionalism shown by Castle Surveillance. The..."

Timothy Bednard

"Castle surveillance installed seven cameras around by house about a year ago. I had to call him toda..."

Heidi Wurzinger

"The guys at Castle are great! Let me start by saying that I oversee a few multi family properties th..."

Dawn Gyde Harrison

"5 out of 5 Stars! I am extremely pleased with Castle! Very kind & knowledgeable staff members that ..."

Dennis Granowicz

We are more than just a security company.

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