Set off in
1840 as Notipekago. Name changed to Mason in 1843.
County Seat: Ludington
Year Organized: 1855 from Ottawa and Oceana Counties
Neighboring Counties: Lake,
Manistee and Oceana Counties
Mason County Courthouse
304 East Ludington Avenue
Ludington, MI 49431-2121
Phone: (231) 843-8202
Fax: (231) 843-1972