The 11-story, 180,000-sf Lafayette Building at 433-437 ChestnutStreet was built in 1907. It is located across from the LibertyBell at Independence Mall and has park area on two sides. Theproperty is expandable by adding stories aggregating approximately57,000 sf on top of the existing structure.

The 24-story, 152,000-sf Architects Building at 117 S. 17thStreet was built in 1931 and is the current headquarters of thePhiladelphia chapter of the American Institute of Architects. AnAIA store occupies the ground floor. "The location, one block fromRittenhouse Square, ideally positions it for a condominium orluxury hotel conversion," says Joseph Morningstar, senior managingdirector in the New York office of HFF.

He and Andrew Scandalios, managing director in the same office,are heading the investment sales team. Citing a confidentialityagreement, both men declined to disclose any further details aboutthe properties.