Suggest an update Name* Categories* State* Locality* ZIP* Street address* Phone* Website* Company description* Lawyer Margaret Hartwell Mackert, Practice Areas No known practice areas. is located in the city of Adamstown, the state of Maryland. Attorney legal address 3482 Downing CtAdamstown, MD, 21710-9420. For more information, please call (301) 874-0279 Your comments* (not for publishing) * — Required information Margaret Hartwell Mackert ← View details 3482 Downing CtAdamstown, MD, 21710-9420, Adamstown, Maryland (301) 874-0279