Please Review Us

Service Call

May 17, 2018

Keystone immediately responded to our call due to a error code with sure professionalism and explained everything. We couldn’t be happier. Highly professional.

Dave Ricci

Great Service.

May 9, 2018

Just ordered an new alarm system and the service was great from install to customer service.


Keystone is excellent!

May 3, 2018

Local company – Excellent service for 18 years Prompt & Professional. Our updated security system works great from the iPhone App!! Highly recommended.

Robert in Horsham

20 year Customer

May 1, 2018

I have been a happy Keystone Business Customer for 20 years. Always professional and always available 😊

Dr. Colona Roberts

Keystone ='s Da Man!

April 27, 2018

New house just got wired by the BEST in the Biz! Thanks to Lenny and his professional Crew.


Unbeatable Service

April 25, 2018

I have been a customer for 14 years. There has never been a time I have been taken care of. I am upgrading my system and with all the options out there, their service and approach keeps me a very happy customer.


Great Service

April 25, 2018

We have used Keystone for around 3 years now. We have never had an issue with them and they are extremely easy to work with. I would recommend them to anyone looking for an alarm system

Ryan E. (Bouncing Off The Walls)

Absolutely Exceptional

April 2, 2018

We have Keystone Protective Services for almost 20 years (since Jan 1999) and their service has been truly exceptional. Thank you KPS at Southampton, PA!

S & L Tsin.

Security Professionals

April 2, 2018

Life just got easier for my security needs. All from one app on any of my smart devices, I can control my alarms see my property and unlock My front door and see and record any event. Lenny is one of the best professionals in security. I met with a few other competitors and they don’t even come close to Keystone Alarms. On time on budget and Mike one of their Techs a real pro. Very satisfied with Keystone, I give them 10 stars!

Bruce H Barron III


March 26, 2018

Great service , Great techs, good pricing . Very clean and professional.

Mitch Hordon

Copyright © 2017 Keystone Alarms | Designed by Search Friendly Videos | Service Categories | Locations