161 Washington

161 Washington St. | Conshohocken, PA 19428

Size: 346,659 RSF | Type: Office Building


Rising 16 stories and featuring a striking white precast and green Solex glass exterior, 161 Washington is the tallest office building in suburban Philadelphia and easily stands among the market’s most prestigious assets. The property overlooks the Schuylkill River, Downtown Conshohocken and West Conshohocken, offering scenic views and immediate access to amenities, and boasts a landscaped granite entry plaza, three-story marble lobby and on-site fitness center and café.


Fitness Center

Amenity center with breakfast and lunch service

Confernece Center

Nearby Dining Options: Lucky Dog Gastropub, Great American Pub, Jasper’s Backyard, Flanigan’s Boathouse, Southern Cross Kitchen and Coyote Crossing.


Tenant Portal

Main Property Number: (484) 243-1860


Tim Koeller | Regional Manager

Claudia Testa | Property Administrator

Rob Maxwell | Lead Engineer

Chelsea Fischer | Property Manager

Leasing Contacts:

John Susanin, Sr. VP | john.susanin@colliers.com | (610) 684-1860

Ina Sargen, Sr. VP | ina.sargen@colliers.com | (610) 557-0182

Kyle Hilbert, VP | kyle.hilbert@colliers.com | (610) 615-1836