Atkinson House. 911 Walnut. One-story wood-frame dwelling; exterior walls with wood shingle siding; gable roof with composition shingles; exposed rafter ends with stick brackets; extended eaves; front elevation faces west; one interior and one exterior cobblestone chimney; wood-sash double-hung windows with 12/1 lights; two single-door entrances with transom; one-bay porch with gable roof inset within west elevation at south corner; tapered cobble-stone piers. Other noteworthy features include bungalow details; three-sided window bay on south elevation; etched-glass front door; transoms over windows on west elevation; shingled foundation skirt tapers outward; house is set back about 100 ft. from street. Outbuildings include two-story garage apartment with details similar to house, but with aluminum sash windows.