It was added to the National Register of Historic Places in 1998.

[1] Designed by the noted Youngstown architectural firm of Owsley & Boucherle, this historic structure was built between 1910 and 1911.

It is a three-story, rectangular, red brick and light sandstone building that was created in the Beaux-Arts style.

Also located on the property are two contributing resources: the Mercer County Soldiers' Monument and old Mercer County Jail, or South Court House Annex.

[2] It was added to the National Register of Historic Places in 1998.