Couple happy with their alarms systems in Westchester NY
2014 Best of Yorktown Heights Award Marshall Alarm Systems has been selected for the 2014 Best of Yorktown Heights Award in the Security Alarm Systems category by the Yorktown Heights Award Program.

Alarm Systems in Westchester, NY

Marshall Alarm Systems, Inc does it all; from custom designed fire, security and video systems to installation, monitoring and inspections. Marshall Alarm Systems, Inc represents all major manufacturers allowing the versatility to service both new and existing alarm systems in Westchester NY.

Located in Yorktown Heights, NY, we are one of the foremost electronic security integrated solutions providers since 1976. See all locations we cover in the Tri-State area.


Are we doing a good job keeping valued customers like you happy? Please visit Marshall Alarms on Angie's List in order to grade our quality of work and customer service.

Licensed by the NYS Department of State
# 12000042586