Second & Seneca Building

Click an image to view larger version.


Height: Architectural 96 m / 315 ft
Height: To Tip 96 m / 315 ft
Floors Above Ground 22
Tower GFA 39,160 m² / 421,515 ft²
# of Parking Spaces 553


Official Name Second & Seneca Building
Other Names Ban Roll-On, R2D2 Building
Structure Type Building
Status Completed
Country United States
City Seattle
Street Address & Map 1191 2nd Avenue
Postal Code 98101
Building Function office
Structural Material composite
Construction Start 1989
Completion 1991

Companies Involved

Owner Tishman Speyer Properties
Design Zimmer Gunsul Frasca Partnership
Structural Engineer
Design KPFF Consulting Engineers
MEP Engineer
Design Bouillon Christofferson & Schairer
Main Contractor Lease Crutcher Lewis, LLC
Other Consultant
• Civil KPFF Consulting Engineers
Façade KPFF Consulting Engineers

To submit more information or donate images for this project, please use our submission portal.