Hours Of Operations ADT Massachusetts Watertown ADT Hours of Operation and Locations in Watertown, MA 4.7 - 140 votes 1 Locations in Watertown www.adt.com ADT Hours Category: Home & Garden ADT - Watertown, MA 02472 550 Arsenal St(617) 500-8741 View Store Details Explore WatertownView More Apparel MarshallsH & MCarharttCarter'sFoot Locker Sports TargetSports AuthorityNikeGolfsmithOlympia Sports Jewelry MarshallsZalesClaire's OutletAnn Taylor OutletBon-Ton Recommend For You Stacy Furniture Build-A Bear Workshop J. C. Penney 84 Lumber A.C. Moore Arts & Crafts Adams Golf American Standard American TV & Appliance Andersen Windows & Doors Andronico's Market