Structure Type: built works - dwellings - housing - student housing

Designers: AAI Architecture and Interiors (firm); Bebb and Gould, Architects (firm); Van Slyck, Callison, Nelson, Architects (firm); Charles Herbert Bebb ; Anthony Callison (architect); Carl Freylinghausen Gould Sr. (architect); Gerald G. Van Slyck

Dates: constructed 1924

total floor area: 16,885 sq. ft.

1818 NE 47th Street
University District, Seattle, WA 98105-3315

OpenStreetMap (new tab)
Google Map (new tab)
click to view google map
Google Streetview (new tab)
click to view google map


The Seattle architectural firm of Bebb and Gould designed this Tudor Revival residential house for the Psi Upsilon Fraternity, completed in 1924. A rarity on the University of Washington's Fraternity Row, the same organization has occupied it since it opened.

Building Notes

Arrayed on three stories, this wood frame house contained 16,885 square feet in 2007, and occupied a lot of 12,960 square feet.

Appraised land value was $907,200 in 2007; appraised improvement value was $274,800 in the same year. King County Assessor's Parcel Number is 8823901630.


This large Tudor Revival Style fraternity house has had a number of additions and alterations. Harrison Overturf designed a large addition to rear (north side) of the dwelling in 1955. The Seattle architectsural firm of Van Slyck, Callison and Nelson supervised the alteration of spaces on the house's third floor in 1969. Changes were made in 1977 to bring the house up to code, and work occurred in 1979 to repair dmaage caused by fire.

Various nonstructural alterations were done on the interior and exterior of the house in 1991. AAI Architecture and Interiors modified the 1955 house's flat roof, creating a sloping one. All windows are not original.

Additional repairs to meet the housing code were made in 1977, and fire damage repair was undertaken in 1979. Nonstructural interior and exterior modifications were done in 1991. Most recently, AAI architecture and interiors changed the flat roof on the 1955 addition to a sloped roof, and virtually all windows have been replaced.

PCAD id: 8739