Suggest an update Name* Categories* State* Locality* ZIP* Street address* Phone* Website* Company description* Lawyer Donald J O Brien, Practice Areas No known practice areas. is located in the city of Simsbury, the state of Connecticut. Attorney legal address O'Brien Law FirmPo Box 218Simsbury, CT, 06070-0218. For more information, please call (860) 408-9600 Your comments* (not for publishing) * — Required information Donald J O Brien ← View details O'Brien Law FirmPo Box 218Simsbury, CT, 06070-0218, Simsbury, Connecticut (860) 408-9600