Suggest an update Name* Categories* State* Locality* ZIP* Street address* Phone* Website* Company description* Attorney Michael J. Schaffer, practice areas Civil Litigation Attorneys. Is located in the city of Sioux Falls, the state of South Dakota. Legal address 412 West 9th StreetSuite 1, Sioux Falls, SD 57104. For more information, please call Not available Your comments* (not for publishing) * — Required information Michael J. Schaffer ← View details 412 West 9th StreetSuite 1, Sioux Falls, SD 57104, Sioux Falls, South Dakota Not available