Serving Greater Boston Since 1978


Sprint Security has been protecting homes and businesses since 1978.  Founded by Greg Smizer, our commitment to providing personal safety and peace of mind for each of our valued clients remains paramount. Our reliable state of the art systems are customized to meet your requirements and since the best system is only as good as the service provided, we pledge to give you our best…24 hours a day!

Our Services

• 24 Hour Priority Service

• Security Systems

• Fire Alarm Systems

• Central Station Monitoring

• Intercom Systems

• Home Theater

• Multi-room Audio

• Home Networking

• Surveillance Systems

• Networked cameras

• WiFi Thermostats

• WiFi Smart Locks

• Lighting Control

The Sonos Wireless HiFi System delivers all the music on earth, in every room, with warm, full-bodied sound that’s crystal clear at any volume.

As seen on This Old House for over 14 years

The Charlestown House

The Charlestown project wraps up. Episode 8 included: restoring the exterior with a new dormer, windows, shutters and front entry; System Integrator Greg Smizer of Sprint Security Systems will be testing the security system and showing the new wireless music system; visiting the mechanical room in the basement; spotlighting the completed master suite. Greg has worked on the set of This Old House since 2000 when he installed the security system for the Charlestown project. To learn more about installing the featured Sonos System in your home contact us today! (more)


Courtesy PBS show "This Old House"


Sprint Security Systems    738 Main Street, Waltham, MA 02451-0616    781-891-6633 
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Sprint Security is a member of the Massachusetts System Contractors Association (MSCA), a group of over 280 companies whose members strive to provide professional installation and services. Sprint Security abides by the MSCA code of ethics. We maintain the highest standards of installation.