4-unit residential new construction, zoned RM1.
A 4-unit residential building is set to rise at 4139 Westminster Ave in University City & Powelton, the kind of by-right infill quietly reshaping the block. It was cleared to build in Jun 25, 2025.
The 1,710 sq ft site is zoned RM1, which supports a building on the order of 3 stories by right. Records show the parcel last traded in 2024 for $80K. The plans call for for the erection of an attached structure with a roof deck and pilot house. structure for use as four (4) dwelling units. sprinklered through per nfpa 13. separate permits required for plumbing, mechanical, electrical and fire suppression. a covered walkway or sidewalk closure shall be required in accordance with section 3306 of the ibc. **underpinning to be monitored by a pa licensed pe at all times** **amendment 3/5/2026 to raise the height of structure, and eliminate the scope of work for underpinning.**.
The owner of record is Ycy314 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, 12 other major projects have broken ground since 2022 — roughly 160 units of new supply — including the 10-unit project at 4129 Ogden St, the 9-unit project at 871 N Preston St, the 9-unit project at 871 N Preston 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 112 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 112 nearby opportunities →Major (8+ unit) new-construction projects filed within a half-mile since 2022 — the density gathering around this site.