Connect with Top-Rated Security System Installers in Yorktown Heights!

Marshall Alarm Systems, Inc. is one of the foremost electronic security integrated solutions providers in the Tri-State area since 1976. From custom designed and engineered fire, security, video and access control system installation, as well as central station monitoring, there is no job too small or too big. We represent all major manufacturers, allowing the versatility to service both new and existing systems. We provide professionally designed systems using state of the art equipment, a qualified and knowledgeable technical team, and a personal approach to provide our clients with the best solutions. For over 47 years, Marshall Alarm Systems, Inc. has based our business on honesty and integrity. Our highly trained and skilled staff meets with every prospective customer to educate them on the various security options to fit their specific needs. Every system we install is custom designed to meet our customer's expectations. Our #1 goal is quality, integrity and excellent service.