The C-house is a 1 story duplex with basement similar to a B house. Interior floors are softwood fir with linoleum in the kitchen and bathroom. The D-house is one and a half stories with a basement. Interior floors are hardwood oak with linoleum in the kitchen and bathroom. The E-house is one story tall with basement.
Interior floors are hardwood with linoleum in the kitchen and bathroom.
The F-house is two stories with basement. Typical examples have wood clapboard siding horizontally on the top floor and shingles on the bottom. Interior floors are hardwood oak with linoleum in the kitchen and bathroom. The F house is unique in that it is probably the most highly decorated letter house with its classical segmental pediment over the front door. The G-house is two stories with a basement.