It was built in 1896 for the housing of the Windham County Courthouse and the Willimantic City Government.
[3] It is made out of 1.25 million bricks, cost $73,000 (1895) to make, and contains a large clock donated by James Hayden.
[5] Warren Richard Briggs was the architect for the building, as he had made other courthouses similar to this in the state.
At one point the building house county courtrooms, The city of Willimantic government, the local Grand Army of the Republic group, and the Town of Windham government.
[6] The police station, the county courthouse, and the city library relocated in 1977.