Suggest an update Name* Categories* State* Locality* ZIP* Street address* Phone* Website* Company description* Lawyer Mark J. O'Brien, Practice Areas No known practice areas. is located in the city of Bradford, the state of Massachusetts. Attorney legal address 39 William AvenueBradford, MA, 01835. For more information, please call (978) 771-5448 Your comments* (not for publishing) * — Required information Mark J. OBrien ← View details 39 William AvenueBradford, MA, 01835, Bradford, Massachusetts (978) 771-5448