19-unit residential new construction, zoned CMX4.
A 19-unit residential building is set to rise at 225-27 N 12th St in Washington Square & Chinatown, the kind of by-right infill quietly reshaping the block. It was cleared to build in Feb 2, 2021.
The 3,159 sq ft site is zoned CMX4, which supports a building on the order of 6 stories by right. Records show the parcel last traded in 2020 for $762K. The plans call for for the erection of an attached structure with roof deck and access by a pilothouse with elevator overrun with balconies. for a multi-family household living ( 19 dwelling units) with seven(7) 1a class bicycle spaces in an accessible route. six(6) off-site parking spaces including with one(1) van accessible space provided as per code section 14-802(9) from 222 marvine st with easement agreement. building to be fully sprinklered. separate approval required from pa l&i for elevator installation. separate permits required for m.e.p.s work. amendment to include 2hr shafts to enclose the standpipes within the stairs as per approved plans. amendment to revise the elevator shaft, stairways, corridors and utilities' room&closet as per approved revised plans. amendment to the first floor plan to reflect the changes to include - modify the fire pump room 107a extents - eliminate electrical closet 101b .
The owner of record is Rm 12th Street Partners 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, 4 other major projects have broken ground since 2022 — roughly 186 units of new supply — including the 81-unit project at 225 N 13th St, the 31-unit project at 326 N 12th St, the 51-unit project at 217 N 9th 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 153 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 153 nearby opportunities →Major (8+ unit) new-construction projects filed within a half-mile since 2022 — the density gathering around this site.