9-unit mixed-use new construction, zoned CMX5.
A 9-unit mixed-use building is set to rise at 737 Walnut St in Old City & Society Hill, the kind of by-right infill quietly reshaping the block. It was cleared to build in Dec 20, 2021.
The 1,890 sq ft site is zoned CMX5, which supports a building on the order of 5 stories by right. Records show the parcel last traded in 2019 for $1.0M. The plans call for new construction of a five (5) story plus mezzanine, visitor accomodations and vacant commercial (separate use & occupancy required) to include underpinning and horizontal exits as per approved plans. building to be fully sprinklered per nfpa 13. separate permits required for mep & fire suppression work. *2018 ibc review* amendment to add shoring plans. .
The owner of record is Sarah Investment LLC. The project's plan drawings are on file — worth a look for anyone underwriting the surrounding block.
It isn't rising in isolation. Within a half-mile, 1 other major projects have broken ground since 2022 — roughly 15 units of new supply — including the 15-unit project at 825 Bainbridge St. That kind of concentration is exactly what pulls land values, and buyer attention, toward a block.
We'll update this page as the project progresses — leasing, retail tenants, renderings, and construction milestones as they surface. The relevant question for investors and agents: what are the surrounding parcels worth to a builder now that this is coming?
📄 View the project's plan drawings (PDF)As this density arrives, InvestPHL is tracking 64 under-built parcels within a half-mile that a developer could still acquire and build — each carrying a builder's max bid. Addresses and figures are members-only.
Unlock the 64 nearby opportunities →Major (8+ unit) new-construction projects filed within a half-mile since 2022 — the density gathering around this site.