(781) 275-4200

Massachusetts DPL- License No. C-1111


Download Account Passcard

Online Bill Pay
Custom Alarm Monitoring
Professional Service and Repair

Lexington Alarm Systems makes your security and safety our top--and only--priority


When it comes to the safety and security of your home or business, you can't be too careful. We've built our reputation on the installation and monitoring of the industry's most comprehensive and technologically advanced security and life safety systems that keep the people and things most important to you safe.