Hours Of Operations ADT Maryland Clear Spring ADT Hours of Operation and Locations in Clear Spring, MD 4.7 - 140 votes 1 Locations in Clear Spring www.adt.com ADT Hours Category: Home & Garden ADT - Clear Spring, MD 21722 (301) 857-0060 View Store Details Explore Clear SpringView More Apparel Coach Sports Basic Basic 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