| Name | Styles | Significance | Periods |
|---|
Raphael Kirshbaum Building (NW corner Columbia and W. Pearl Sts.) | Italianate | commerce, architecture | 1900-1924, 1925-1949, 1875-1899 |
Union City Commercial Historic District (Roughly bounded by W. Oak, N. Union, W. Smith, and N. Howard Sts.) | Italianate, Romanesque | architecture, commerce, transportation | 1875-1899, 1925-1949, 1900-1924, 1850-1874 |
Union City Passenger Depot (Howard St.) | Prairie School, Stick, Eastlake | transportation | 1875-1899, 1850-1874, 1900-1924 |
Union City Public Library (408 N. Columbia St.) | Classical Revival | architecture, education | 1925-1949, 1900-1924, 1950-1974 |
William Kerr House (501 N. Columbia St.) | Queen Anne | commerce, architecture | 1925-1949, 1875-1899, 1900-1924 |