The Carl Roethke House is a one-and-one-half-story gable-front building.
The first floor is covered with  uncoursed cobblestones; the gables on the second story are covered with patterned wood shingles.
The house has two porches: one at the front and one at the rear.
A gable
dormer with flaring eaves is located on the west slope of the roof, with a three-sided bay window projecting below on the house's first floor.
On the east side is a two-story bay, with a gable roof with flaring eaves above and an entrance on the first floor below.

The windows inf the house are asymmetrically placed.
On the first floor, the windows and doors are set in segmentally arched frames.
On the second floor,  a row of three, single-pane windows separated by Tuscan columns is located in the peak of the front gable, above a pair of double-hung, one-over-one windows.
Four multi-light windows in a small dormer are behind the gable roof of the two-story bay.
The Carl Roethke House is a one-and-one-half-story gable-front building. The first floor is covered with  uncoursed cobblestones; the gables on the second story are covered with patterned wood shingles. The house has two porches: one at the front and one at the rear. A gable
dormer with flaring eaves is located on the west slope of the roof, with a three-sided bay window projecting below on the house's first floor. On the east side is a two-story bay, with a gable roof with flaring eaves above and an entrance on the first floor below. 
The windows inf the house are asymmetrically placed. On the first floor, the windows and doors are set in segmentally arched frames. On the second floor,  a row of three, single-pane windows separated by Tuscan columns is located in the peak of the front gable, above a pair of double-hung, one-over-one windows. Four multi-light windows in a small dormer are behind the gable roof of the two-story bay.
Roethke Houses