It was designed by popular local architect Thornton M. Niven in a Greek Revival style, meant to be a twin of the one he had already built in Newburgh, which at that time shared seat duties with the larger city.

[3] During construction of the building, the remains of American Revolutionary War Loyalist guerrilla leader Claudius Smith were rumored to have been found on the site and his skull embedded in the masonry above the front door.

[5] It was used as a courthouse until 1970, when the recently constructed Orange County Government Center made more space available.

[6] In 2011, after the Orange County Government Center was damaged by Hurricane Irene, three Supreme Court judges relocated their cases to the courthouse.

[7] In 2015, county officials announced a $2.9 million plan to improve insulation and handicap accessibility over the course of approximately a year.