90 LOCKWOOD, Gladwin, MI 48612, Gladwin, MI, 48612 is has 2,800 sqft. of livable floor space. This listing for sale has 4 bedrooms, and 3 baths. 90 LOCKWOOD, Gladwin, MI 48612 is a 7,841 size lot located in Gladwin is active on the market for $187,500. This listing for sale is located in Gladwin in the zipcode 48612.