Contact us today!
At Keystone Alarms, we understand the unique security and monitoring issues that arise in this region because our staff not only works here, but they live here as well. Keystone Alarms is dedicated to offering our customers options that range from simple, affordable security and fire protection, to the most advanced security and fire technologies available, including web-based monitoring from a smart phone, tablet or computer and remote system access. We specialize in small to medium commercial properties, but also have extensive experience in residential and large commercial locations.

The right alarm system can save the day!

Our technicians are highly experienced and factory trained. We never use subcontractors, so the people who install your systems will be the same ones who will be there to service them, year after year.

Please contact us today about your security needs – from fire alarms to asset protection, we’ve got you covered! We proudly serve Bucks County, Montgomery County, Philadelphia & parts of New Jersey.


Members of:


Licensed by:

The Attorney General State of Pennsylvania Home Improvement #PA052419

Licensed Dealer of:

Honeywell, HIK Vision, SkyBell Systems

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