Great River Security, Surveillance & Home Automation Services


Greensite Great River security and home services proudly provide New York City, Long Island, and New Jersey residential and commercial customers with professionally installed low-voltage security, high-resolution surveillance, home automation, and home safety maintenance services. For both Great River residential and commercial Greensite installed security systems, the Greensite Central Home Monitoring center is UL Listed, CSAA Five Diamond Certified and FDNY Approved. Greensite is well reviewed, visit the Greensite Yelp page, and we are proud to have over 15 years experience.

Honeywell Certified Installer Long Island home services

Greensite is a Honeywell Certified Installer. Choose from a variety of product lines including the Honeywell Lynx Touch, Honeywell Tuxedo Touch, Lyric Touch, Keypad Alarms, Fire & CO Alarms and Central Monitoring.

Z-Wave Home Automation

Z-Wave is the new standard among home automation systems. Z-wave devices create a mesh network and thereby eliminate the need for a large antenna and power draw. Lights, locks, thermostats and more can be controlled by the touch of your phone or tablet. Learn more.

Best Home Automation Brands

Great River Home Security

The professionals at Greensite provide Great River residential and commercial security system installation and maintenance. Honeywell Certified Installer.

Great River Home Surveillance

For both Great River homeowners and business owners, Greensite Surveillance Installations provide reliable and quality, reliability and economy.

Great River Home Automation

Z-Wave home automation installation is here, and Greensite offers our Great River customers both turnkey and custom solutions. Lights, locks, thermostats and more.

Great River Home Maintenance

Get dryer duct cleaning and roof gutter cleaning and maintenance for your Great River property. Proper cleaning and maintenance are essential to preventing damage.