Suggest an update Name* Categories* State* Locality* ZIP* Street address* Phone* Website* Company description* Lawyer Stephen J. Costello, Practice Areas No known practice areas. is located in the city of Carpentersville, the state of Illinois. Attorney legal address 19 N. Western Ave.Carpentersville, IL, 60110-1730. For more information, please call (847) 428-4544 Your comments* (not for publishing) * — Required information Stephen J. Costello ← View details 19 N. Western Ave.Carpentersville, IL, 60110-1730, Carpentersville, Illinois (847) 428-4544