Suggest an update Name* Categories* State* Locality* ZIP* Street address* Phone* Website* Company description* Lawyer John H. Grondwalski, Practice Areas No known practice areas. is located in the city of Tarentum, the state of Pennsylvania. Attorney legal address 512 W 8th AveTarentum, PA, 15084-1346. For more information, please call (724) 224-1068 Your comments* (not for publishing) * — Required information John H. Grondwalski ← View details 512 W 8th AveTarentum, PA, 15084-1346, Tarentum, Pennsylvania (724) 224-1068