Union County Courthouse, County courthouse in Elizabeth, US

The Union County Courthouse is a Neoclassical complex in Elizabeth, New Jersey, whose 17-story tower rises 238 ft (73 m), the tallest building in the city. It was designed by Oakley and Son and completed in 1931. The complex also takes in a 3-story portion, a 7-story annex from 1927, a 5-story annex from 1964 and an 8-story courtroom building from 1932.

An earlier courthouse by Ackerman & Ross opened in April 1905, its marble entrance engraved with tablets recording work begun in February 1903. The present Neoclassical tower, designed by Oakley and Son, was completed in 1931, with a seven-story annex added in 1927, an eight-story courtroom building in 1932 and a five-story annex in 1964. The complex is a contributing property to the Mid-Town Historic District.

The courthouse's name and role come from Union County, whose seat is Elizabeth; the 1931 tower made it the city's tallest building. Visitors can look for the marble entrance tablets of the earlier 1905 courthouse, engraved with its start in February 1903, completion in April 1905 and the architects Ackerman & Ross. Since May 2015 peregrine falcons have nested on the building.

The complex sits in Elizabeth's Mid-Town Historic District, with the 1931 tower, a 3-story portion, a 7-story annex from 1927, a 5-story annex from 1964 and an 8-story courtroom building from 1932. Enter from Broad Street and allow time to pass security screening. Court business is handled on weekdays, so confirm the office and floor you need beforehand.

Since May 2015, peregrine falcons have nested on the courthouse, a detail most visitors walking past on Broad Street never notice. The birds use the upper ledges of the 17-story tower, the tallest structure in Elizabeth at 238 ft (73 m).