Ozaukee County Wisconsin (Vacant / Not In Use) has 2 places on the National Register of Historic Places including 1 place of Statewide significance. Significant places include Concordia Mill, Main Street Historic District.
Some of the country's most noteable architects helped create the Ozaukee County places including Edward H. Janssen. Prominent architectural styles found in Ozaukee Country are Late 19th And Early 20th Century American Movements and Queen Anne.