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ADT, your trusted Home Security Provider in Melville, NY
ADT provides professional home security installation and 24/7 monitoring to homeowners across Melville, New York, and the surrounding Suffolk County area on Long Island. The ADT Melville team serves neighborhoods throughout the mid-Island region, including Huntington, Dix Hills, Commack, East Northport, and the communities along Route 110 and the Long Island Expressway.
ADT has six company-operated 24/7 monitoring centers, the largest presence in the industry. All of our monitoring centers are based in the U.S. and are not outsourced.
50 Republic Rd
Melville NY 11747
United States
(516) 986-2349
Nearby Cities
Mon-Fri: 8AM - 4PM
Sat-Sun: Closed
Mon-Fri 7AM to 9PM
Saturday 8AM to 6PM
Sunday 9AM to 6PM
Happy Customers in the Melville Area
Elizabeth
Huntington, NY
“ADT is a great company and their representatives and repairmen are professional and courteous. Would definitely recommend them to anyone. When I had my home alarmed with another company, ADT upgraded the existing system without question. They were wonderful to work with.”
Francisco
Bronx, NY
“Well, I'm a new customer, but in the short time that I been with ADT I'm very satisfied with the service they provide me and I know that I will be continue getting a fine service because ADT is a great way to protect our properties. Honestly I recommend ADT to any one for the best protection...”
Cynthia
Melville, NY
“Very professional service. Although the account info had been cancelled, and the tech had to review our whole system, he acted very professional and got the job done (upgrade) in a timely manner. I will definitely recommend your company to other people that I know.”

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Melville, NY Service Area & Local Process
The ADT Melville branch provides professional installation of the ADT Smart Home System throughout Suffolk County and Nassau County on Long Island, including Huntington, Commack, Smithtown, Babylon, and Islip.
Long Island experiences nor’easters, coastal storms, and heavy snow in winter, along with hurricane season from June through November. The ADT Smart Home System includes backup battery power to help keep the system powered during a power outage. If internet service is disrupted, cellular backup may help keep the system connected to ADT monitoring, as long as you have an active ADT monitoring plan and cellular service is available. Water and temperature sensors are a practical addition for Long Island homes, where coastal flooding, storm surge risk, and freeze damage are seasonal concerns.
Melville, NY Local Regulations & Requirements
Contact the Suffolk County Police Department or your local village or town government to verify current alarm permit and registration requirements. New York municipalities set their own alarm ordinances, and requirements vary across Long Island. Your ADT professional installation technician can provide guidance during your consultation.
Homeowners in apartments, condominiums, and townhomes in the Melville area should verify installation permissions with their property management or HOA before scheduling professional installation.
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You have questions, we've got you covered
Do I need an alarm permit in Melville, New York?
Contact the Suffolk County Police Department or your local town government to verify current alarm permit and registration requirements. New York municipalities set their own alarm ordinances. Your ADT professional installation technician can provide guidance during your consultation.
How does ADT help protect Long Island homes during nor’easters?
ADT’s 24/7 professional monitoring is available 24/7 during Long Island’s nor’easters, coastal storms, and hurricane season. The ADT Smart Home System includes backup battery power to help keep the system powered during a power outage. If internet service is disrupted, cellular backup may help keep the system connected to ADT monitoring, as long as you have an active ADT monitoring plan and cellular service is available. Water and temperature sensors can provide early notifications for flooding and moisture intrusion.
What areas near Melville does ADT serve?
The ADT Melville branch serves homeowners throughout Suffolk and Nassau counties on Long Island, including Huntington, Commack, Smithtown, Babylon, Islip, Dix Hills, and East Northport.
How long does ADT installation take in Melville?
Installation times depend on the home, system configuration, equipment selected, and installation conditions.
Does ADT install in Melville apartments and condos?
ADT offers professional installation for apartments, condos, and townhomes on Long Island. Before scheduling, verify with your property management that security system installation is permitted.
Can I add cameras or smart home devices after installation?
ADT customers in Melville can add cameras, smart locks, smart lighting, and additional sensors to their ADT Smart Home System at any time.