Suggest an update Name* Categories* State* Locality* ZIP* Street address* Phone* Website* Company description* Lawyer John D. Riordan, Practice Areas No known practice areas. is located in the city of Dennis, the state of Massachusetts. Attorney legal address 11 Linden LaneDennis, MA, 02638. For more information, please call (508) 385-3218 Your comments* (not for publishing) * — Required information John D. Riordan ← View details 11 Linden LaneDennis, MA, 02638, Dennis, Massachusetts (508) 385-3218