The Jasper County Courthouse in Rensselaer, Indiana is a building from 1898. It was listed on the National Register of Historic Places in 1983 and is located in the Rensselaer Courthouse Square Historic District. The Jasper County Courthouse was erected in 1898 at a total cost of $141,731.94. It is located in the center of the Courthouse Square bounded by Washington, Cull en, Harrison and Van Rensselaer Streets. The Courthouse Square, itself, is defined by a retaining wall of concrete, about 18" high and a foot wide. There are steps leading from the street to the walks leading to all four entrances to the building.The building stands on a bedrock. The building has four floors for a total of 348404sqft, plus a basement and the tower. The clock tower is 120ft high.The building is faced Bedford limestone, and features medieval elements. Entrances on the north and south sides are framed in two-story Tudor arches supported on clusters of columns. Flanking these entrances are three-story round towers. Centered over the entrance is a wall dormer, which is surmounted by the clock tower. The clock tower also has a wall dormer on each face of its pyramidal roof.On either side of the entrances and towers are five double-hung windows on each floor, with wall dormers over two bays. The corners have narrow, windowless turrets. The entrance bay, dormer, and flanking towers project from the building.The stone masonry support walls have arches between rooms. Each of the first three floors above the basement have terrazzo floors, marble wainscoting and oak woodwork, and the stairs have marble treads. The plaster columns in the stairwell have been decorated to look like marble. The stair rails are of hand-hammered iron with marble rails.