According to CoStar Realty Information The Philadelphia Local American Postal Workers Union, AFL-CIO sold its office building at 1904-10 Arch St. to a private investor known as 1904-1910 Arch Street Associates LP for $3.45 million, or $266 per square foot. The 12,930-square-foot building is on about a quarter-acre in Philadelphia’s Market Street West area. The […]