Philadelphia's 19103 ZIP code, which encompasses Rittenhouse Square, recorded the fourth-most ultra-luxury sales in the Mid-Atlantic during the fourth quarter of 2024, according to Bright MLS.

PLYMOUTH MEETING, PA — Keystone has finalized $42 million in financing from Arbor Realty Trust to fund Monarq, a 149-unit luxury apartment ... such as The Lyndon in Philadelphia.