Welcome to Biddeford's City Theater City Theater in Biddeford Maine is a fully restored 1890's Opera House offering theater, music, dance and more to the surrounding southern Maine communities. Our 2011 season includes: Edges, Always... Patsy Cline, Gypsy and Don't Dress for Dinner. We are a performing arts venue as well, and welcome inquiries for musical performances. Built in 1860, this community theater is listed on the National Register of Historic Places.