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Protecting Homes and Businesses for Over 50 Years
Specializing in the installation of home & commercial security systems, surveillance systems, fire alarms, and much more.
Give us a call at (610) 494-9100.
We Provide Peace of Mind

Delco Alarm Systems is a second generation family-owned and operated security installation and monitoring company based in Aston, Pennsylvania. We have a reputation for high-quality security system installations and friendly reliable service for over four decades.
We stand by our promise to provide personalized, timely service to our customers. From commercial buildings to residential homes and apartments, schools, and industrial buildings, our team of specialists offers personalized solutions utilizing state of the art technology.
Give us a call at (610) 494-9100. Our main service area covers Delaware and Chester County as well as parts of the state of Delaware including Aston, Media, Springfield, West Chester, Chadds Ford, Kennett Square, Newtown Square, Glen Mills, Malvern, Exton, Downingtown, and everything between.
Explore Our Products & Services
Residential Solutions
Commercial Security
Home Automation
Fire Systems

We will meet you’re local, state and national fire codes for your company and home residence.
Access Systems

Your business can manage the activity of your employees and visitors to your place of business
Camera Systems

We offer a wide range of surveillance systems, all offering the industry’s leading technology.
We Service Delaware, Pennsylvania, & New Jersey
Our main service area covers Delaware and Chester County as well as parts of the state of Delaware and Pennsylvania including Aston, Media, West Chester, Chadds Ford, Springfield, Kennett Square, Newtown Square, Glen Mills, Malvern, Exton, Downingtown, and everything between.
Delco Alarm Systems also services the state of Maryland and New Jersey in addition to Pennsylvania and Delaware.