Please Review Us

No Hassles!

October 18, 2018

The office,Easy to deal with and do what they say.The owner is a great guy and a man of his word!I would recommend Keystone to anyone looking for a security/camera/fire alarm/security system!

Craig LaCagnina

No Title

September 20, 2018

Excellent service ! Lenny the owner is always up to date on latest equipment !!

Financial Exchange Check Cashing


August 20, 2018

You call and Keystone Alarm Company is on there way. Top of the line service with the most up to date equipment. No comparison to the big companies out there. Keystone Alarms is the best for your burglar and fire alarm needs. A+++

Vicky 50/50

Years of Dependability

August 13, 2018

We’ve been customers of Keystone Alarms for years. Lenny, Jennifer and Mike always have our best interests at heart. They’re thorough, reliable and so easy to work with. Customer Service like this isn’t easy to come by these days, but I can ALWAYS count on Keystone to take care of our every security need.

Mary Dicciani

Great Customer Service

August 13, 2018

Great service. Nice People. Mike was very trusting and personable. Thank you!

Jodi DeBlasio

Excellent service and lovely people

August 9, 2018

Lenny and Jennifer were delightful and patient in helping us choose the components in our system and instructive in getting a system that fits our need. Mike was delightful and professional installing the system–very thorough, neat and efficient in installing features that we requested which are not routinely used. We have had several alarms in various houses over the years. The Keystone team was by far the best we have dealt with in all of those experiences.

Stuart Berkson

New Customer

July 23, 2018

Jennifer and Mike are great. The system is fabulous. Everyone is knowledgeable and professional.

Dave C.

Great Service and Support

July 23, 2018

Been with Keystone about 20 years, and have always found them to be professional and responsive. It’s great working with a local company with a personal touch.

Linda M.

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.

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