One PNC Plaza is a high-rise office building located in the Golden Triangle neighborhood of the Central Business District of Pittsburgh, Pennsylvania, United States. Constructed in 1972, it is 129.24 m 30 stories. It houses the general offices for PNC Financial Services. The building is the former location of PNC's corporate headquarters before completion of the Tower at PNC Plaza. The building was constructed on the site of the former First National Bank Building, a 26-story 1912 beaux-arts tower, that was only 11 m shorter.