Seattle Duplex Construction Construction of a Duplex in Seattle, WA. Home 9 New Construction 9 Duplex 9 835 NW 53rd St, Seattle, WA 98107 w Ask An Expert (206) 552-9791 835 NW 53rd St Custom design and construction of a Duplex with 1,528 sq. ft. per unit. SALE PRICE: TBD ADDRESS: 835 NW 53rd St, Seattle, WA 98107 TYPE: Duplex COMPLETION DATE: September, 2023 PHOTOS: Exterior Interior Aerial Exterior Photos Interior Photos Aerial Photos