Suggest an update Name* Categories* State* Locality* ZIP* Street address* Phone* Website* Company description* Lawyer Gretchen L. Olsen, Practice Areas Personal Injury Lawyers. is located in the city of Petoskey, the state of Michigan. Attorney legal address Plunkett Cooney303 Howard StPetoskey, MI, 49770-2413. For more information, please call (231) 347-1200 Your comments* (not for publishing) * — Required information Gretchen L. Olsen ← View details Plunkett Cooney303 Howard StPetoskey, MI, 49770-2413, Petoskey, Michigan (231) 347-1200