[7] The 17 story, 238 ft (73 m) tall Neoclassical building, completed in 1931, is the tallest in the city.

[6] The courthouse building with 17-story tower was designed by the architect Oakley and Son and completed in 1931.

[9] An earlier courthouse building was designed by the architects Ackerman and Ross.

In May 1905, according to one newspaper, "The work of engraving two tablets at the marble entrance to the new courthouse is in progress.

The tablet on the right will read 'Union County Courthouse Commenced February 1903; Completed April 1905...Architects, Ackerman & Ross..."[10]