Here's the data. I'm curretnly doing a probate in Washtenaw County. Probate didn't make the move downtown with many other offices a couple of years ago. Washtenaw County Probate Court 101 E. Huron St., P.O.Box 8645 Ann Arbor, MI 48107-8645 (734) 994-2474 Wayne County Probate Court 1307 Coleman A. Young Municipal Center 2 Woodward Ave. Detroit, MI 48226 (313) 224-5706 Good Luck, Jim Crawford