Hours Of Operations ADT Maryland Galesville ADT Hours of Operation and Locations in Galesville, MD 4.7 - 140 votes 1 Locations in Galesville www.adt.com ADT Hours Category: Home & Garden ADT - Galesville, MD 20765 (410) 741-2071 View Store Details Explore GalesvilleView More Apparel Coach 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