A luxurious bi-level penthouse in Old City Philadelphia hits the market for $4.4 million, offering modern amenities in a historic setting.

King of Prussia jeweler grows Old City portfolio, buying a 28-unit apartment building for $9.45 million as part of broader investment plans.

Tenants at Courtyard Apartments at Riverview in Queen Village are displaced for a second time this summer following another fire. Here's what we know.