Suggest an update Name* Categories* State* Locality* ZIP* Street address* Phone* Website* Company description* Lawyer Roy J. Portenga, Practice Areas No known practice areas. is located in the city of Muskegon, the state of Michigan. Attorney legal address 450 Morris Ave Ste 300Muskegon, MI, 49440. For more information, please call (231) 722-6000 Your comments* (not for publishing) * — Required information Roy J. Portenga ← View details 450 Morris Ave Ste 300Muskegon, MI, 49440, Muskegon, Michigan (231) 722-6000