24-unit mixed-use new construction, zoned CMX2.


A 24-unit residential building is under way at 900-08 McKean Street in Pennsport, rising four stories over a cellar on a 6,755-square-foot lot. The project includes a common roof deck, pilot houses, and a green roof, with shell commercial space on the ground level that will require separate use and fit-out permits before tenants can occupy. The developer is leveraging green roof and mixed-income housing bonuses to reach the unit count on the CMX2-zoned site, which allows this kind of mixed-use density by right.
JWN 1 LLC, the owner of record, picked up the parcel in 2022 and moved quickly through approvals, clearing the way to build by early 2026. The four-story scale threads a familiar needle in Pennsport, where the zoning overlay encourages multifamily housing along commercial corridors without overwhelming the rowhouse fabric a block or two inland. The mixed-income component reflects an increasing strategy among developers working in CMX2 districts—trading affordability units for additional height or density while keeping construction costs manageable on relatively modest lots.
What's notable here is the absence of nearby competition within a half-mile radius, at least among recently tracked projects. That suggests McKean Street may be ahead of the curve rather than riding a concentrated wave of multifamily development. The commercial shell on the ground floor remains the wild card; without a committed tenant, it's unclear whether the space will draw neighborhood retail or something more specialized, but the fit-out requirement gives future occupants flexibility to shape the use.
The project's timeline and bonus utilization offer a template for other underused parcels in the area, particularly along similar commercial stretches where CMX2 zoning applies. If JWN 1 LLC delivers smoothly, expect developers with an eye on Pennsport's quieter blocks to take notes on how green roof and affordability incentives can pencil out on mid-sized lots without requiring assemblage or zoning relief.
📄 View the project's plan drawings (PDF)As this density arrives, InvestPHL is tracking 14 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.
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