Hours Of Operations ADT Maryland Bivalve ADT Hours of Operation and Locations in Bivalve, MD 4.7 - 140 votes 2 Locations in Bivalve www.adt.com ADT Hours Category: Home & Garden ADT - Bivalve, MD 21814 (410) 873-0043 View Store Details ADT - Bivalve, MD 21814 (301) 359-7046 View Store Details 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