After occupying the building since 1988, Sweetwater Center for the Arts is set to take ownership of the historic Old Sewickley Post Office building.
The Old Sewickley Post Office Corporation (OSPOC) and Sweetwater have been working together over the past year and a half on the transition.
OSPOC is a nonprofit that was founded in the early 80s to purchase the post office and maintain the building as a National Historic Landmark…