The Post Chapel is located at the southeastern-most edge of the site. It is the only structure that was built during WWII, not during the original construction of the fort. The plans reflect a typical church design with small entry rooms at the front of the structure, followed by a nave that terminates at the chancel, sanctuary, and associated rooms. There is also a boiler room located at the rear of the chapel. There is a small balcony accessible from L-shaped stairs located in the cloak room adjacent to the entry. The Post Chapel is approximately 3,400 square feet.

The Gymnasium is central in the Fort Lawton site, situated in the northwestern quadrant. The building is a is a single-story structure with day-lit basement that originally contained a public space, storage rooms, office, lecture and reading rooms, and doubleheight gymnasium. The half-submerged basement contained a billiard room, lunch room, kitchen, and toilet and storage spaces. The Gymnasium is approximately 10,900 square feet.

The Band Barracks are central in the Fort Lawton site, situated in the northwestern quadrant. It is a two-story structure (with basement) that originally contained offices, store rooms, a kitchen and related storage, mess room, and practice room on the first floor. Dormitories were located on the second floor. The basement was originally used for storage, a lavatory, and a large boiler room and coal room. The Band Barracks building is approximately 5,800 square feet.

The Civilian Quarters are along the northwestern side of the Fort Lawton site. The building is a two-story structure (with basement) that originally contained a dining room, sitting room, kitchen, bedroom, pantry, and powder room on the first floor. The second floor contained two dormitory spaces connected by a shared toilet room. The basement was open as a cellar with coal storage for heating. The Civilian Quarters building is approximately 4,780 square feet.

The Stables comprise of two buildings at the northwestern edge of the Fort Lawton site. They are two-story buildings that contain large, open stable and storage space separated by bays of columns. There is an elevator shaft central in one of the buildings; the other has a central stair that reaches the second floor. The first and second Stables buildings are approximately 7,400 square feet and 7,300 square feet.

The Guard House is near the northwestern side of the Fort Lawton site. The building is a single-story structure (with basement) that originally contained a guard room, officer and sergeant rooms and lavatory, a prison room containing individual cages, and a prison lavatory. The basement contained a general cellar space with boiler, coal bin, and store room. The Guard House is approximately 3,500 square feet.