The newels have a pendant extending below the ceiling at each landing and floor. A wooden handrail is mounted on top of the iron railing. This same railing extends around the rotunda on the second and third floors. A metal spiral stairway with a pipe handrail extends from the second floor to the roof. The major passageways through the building have white and black mosaic tile flooring, bordered and patterned, with a marble base.
Some office spaces have vinyl asbestos tile floor covering and many have carpeting.
The basement floor is concrete. The walls and ceilings of the three main floors are of plaster, although some of the offices have modern wood paneling. Marble wainscoting extends along the walls of the first and second floors and in the stairwells. On the first floor the corridors have covered barrel vault ceilings. Plaster Sullivanesque decorated raibs between the coffers extension down the walls to pilasters capped with plaster Corinthian capitals.