Please Review Us

No Title

July 17, 2018

Lenny does what he says he’s going to do and his guys are great.

Scott Smith

Highly Recommend

July 16, 2018

Been with Keystone since 2010. Jennifer is very friendly, helpful and efficient. Lenny, though always busy makes the time to answer all my questions in a way that I can understand. He worked with me until I got it right! Knowledgeable and professional.

Howard R.

RF Upgrade

July 16, 2018

Quick, efficient install and check out. Prompt support to get online.


Great Company, Best Choice for Home Security Around

July 16, 2018

I contracted for home security services with Lenny of Keystone Alarms back in 2004 and that decision remains among the best choices I made for our new home at that time. The staff is highly professional, courteous and friendly and, to me, their overall service ranks second to none. Of even more importance is that the company’s responsiveness to alerts, alarms and any and all concerns we have is right on the money and their pricing, the best I could find at the time, remains better than all their competitors. I would choose this company over and over again for anything I do with homes going forward.


Friendly people and great service

July 9, 2018

Everyone we have dealt with is very friendly! We never wait for an appointment and the tech’s are super nice and informative along with the office staff!


RF Installation

June 28, 2018

Due to a recent error due to our phone connection we changed to the RF system and the technician who came was courteous, told us all we needed to know and was here on time and did his work in the time he said it would take. We are very satisfied.

Dave Ricci

Prmpt Service

June 28, 2018

New customer and service has been wonderful! – Supercuts

Jeff and Marciin Springhouse

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

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