30-unit residential new construction, zoned RM1.
A 30-unit residential building is set to rise at 4649 Umbria St in Manayunk, the kind of by-right infill quietly reshaping the block. It was cleared to build in Sep 1, 2020.
The 20,461 sq ft site is zoned RM1, which supports a building on the order of 4 stories by right. Records show the parcel last traded in 2019 for $1.1M. The plans call for for the erection of an attached structure to include light-framed combustible wall and floor framing, steel stud bearing walls and cmu bearing walls at the mezzanine/grd flr level, mezzanine construction, accessible type a & b units, spray-fire resistant material installation, structural steel welding, rated shaft enclosure, rated corridor walls, fireblocking within concealed spaces, and rated floor-ceiling assemblies. (ibc 2018) **additional efficiency package per iecc 2018, section c406: high hvac efficiency. separate permits to be required for mechanical, plumbing, electrical, and fire suppression system installations. separate pa dept of labor and industry permit to be required for installation of elevator hoistway.**.
The owner of record is Umbria Commons, 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 27 units of new supply — including the 27-unit project at 203 Leverington 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 12 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 12 nearby opportunities →Major (8+ unit) new-construction projects filed within a half-mile since 2022 — the density gathering around this site.