Contact Us At Security First we are dedicated to your satisfaction and safety.
Contact Us at Security First, an ADT Authorized Dealer, 24 hours a day, 7 days a week
ADT, LLC. – America’s leading Security Company, was founded over a century ago. For years, ADT has been the number one trusted source of protection for millions of families, homes and businesses. By signing up for ADT monitoring, you are ensuring that trained professionals with the most sophisticated and innovative security devices are monitoring your home at all times, 24 hours a day, 7 days a week.
Address: 40 Glen Street Glen Cove, NY 11542
Business Hours: 24/7