1439 S 58th StUnder construction

A four-story, 21-unit mixed-use building is under construction at 1439 S 58th Street in Kingsessing, bringing a modest infill project to a corridor that hasn't seen much multi-family activity in recent years. The structure will top out at 38 feet with penthouses for stair access to roof decks, while the ground floor holds two vacant commercial shells that will require separate approvals before tenants move in. Eight bike parking spaces are planned along an accessible route, and the project is taking advantage of the green roof bonus provision to squeeze additional density from the site.

The lot measures just 1,296 square feet—tight even by Philadelphia infill standards—but the CMX2 zoning allows the developer to build by right without variance wrangling. 58th & Willows LLC picked up the site in 2020 and cleared construction hurdles by late September 2023, moving ahead on a property type that's become increasingly common in transitional commercial corridors across the city. The mix of 19 residential units and two retail bays suggests a bet on both neighborhood-serving ground-floor activity and demand for relatively affordable rental or condo inventory in a part of Southwest Philadelphia that hasn't attracted the same developer attention as University City proper.

What's notable here is the isolation: there are no comparable projects within a half-mile radius, making this one of the few recent efforts to add density along the 58th Street spine. The building's footprint and program are modest enough to fly under the radar, but the economics clearly penciled for at least one local investor willing to test the market. If rents or sales perform, similar CMX2 parcels nearby—and there are plenty of underbuilt commercial lots in Kingsessing—could start looking more attractive to developers hunting for sites that don't require drawn-out zoning fights.

The green roof bonus is a small but telling detail, indicating the team needed every inch of allowable density to make the numbers work on a sliver lot. Whether the two commercial spaces fill quickly will say a lot about whether this stretch of 58th Street can support neighborhood retail or if they'll sit dark while the upper floors carry the project. Either way, this is a rare test case for new construction in a neighborhood that's seen more demo and land banking than actual building over the past decade.