9-unit residential new construction, zoned RM1.
A 9-unit residential building is set to rise at 1258 S 45th St in University City & Powelton, the kind of by-right infill quietly reshaping the block. It was cleared to build in Nov 5, 2026.
The 1,552 sq ft site is zoned RM1, which supports a building on the order of 3 stories by right. The parcel last changed hands in 2003. The plans call for new construction of a three (3) story building with private roof decks and pilot houses for use as nine (9) dwelling units as per approved plans. building to be fully sprinklered. *2018 ibc review* **separate permits required for mep & fire suppression work**.
The owner of record is University Of The Science. 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 12 units of new supply — including the 12-unit project at 4820 Chester Ave. 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 21 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 21 nearby opportunities →Major (8+ unit) new-construction projects filed within a half-mile since 2022 — the density gathering around this site.