a company affiliated with the New York State Common Retirement Fund, in 1993. Hines and the CalPERS retirement system purchased 1001 Fourth Avenue Plaza in May 2005 for $162 million, with plans for $30 million in renovations to attract a new major client. Safeco Insurance Company of America leased of the building on May 23, 2006, to be its headquarters after moving from its former building in the University District and consolidating its Redmond office. The company subsequently renamed it to Safeco Plaza. In 2015, Safeco announced that it would consolidate more offices into the tower, increasing its lease from 17 to 26 floors. In July 2016, German firm GLL Real Estate Partners GmbH and South Korean firm Vestas Investment Management bought Safeco Plaza for $387 million. The firms sold the building in 2021 to Boston Properties for $465 million. Major tenants Safeco Insurance Bank of America Riddell Williams Helsell Fetterman Fehr & Peers Interior Architects Business Service Center, Inc See also Seafirst Bank List of tallest buildings in Seattle References External links Safeco Plaza at Hines Interests Limited Partnership NBBJ buildings Hines Interests Limited Partnership Skyscraper office buildings in Seattle Office buildings completed in 1969 1969 establishments in Washington (state) Downtown Seattle