4-unit residential new construction, zoned RM1.
A 4-unit residential building is set to rise at 2757 N 13th St in Fairhill, the kind of by-right infill quietly reshaping the block. It was cleared to build in Sep 9, 2026.
The 1,483 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 2026 for $65K. The plans call for **2018 ibc review** for the erection of an attached 3-story structure with roof access structure for access to an occupiable roof deck. structure for use as multi-family household living four (4) dwelling units. the building is fully sprinklered in accordance with nfpa 13r. all work to be done per approved plans. if field conditions vary contact design engineer prior to the start of any work. separate permiits to be obtained for all other work. **excavation permit required** **project includes underpinning** **a covered walkway or sidewalk closure shall be required within 9 feet of the building facade in accordance with section 3306 of the 2018 ibc. separate building and/or streets department permit required prior to the start of any work.
The owner of record is Thedoor 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, 2 other major projects have broken ground since 2022 — roughly 68 units of new supply — including the 28-unit project at 3120 N Park Ave, the 40-unit project at 1510 W Allegheny 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 146 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 146 nearby opportunities →Major (8+ unit) new-construction projects filed within a half-mile since 2022 — the density gathering around this site.