Permits have been issued for the construction of a single-family home at 3935 Folsom Street in Mantua, West Philadelphia. The property sits within an RSA-5 zoning district and is located near the intersection of Folsom Street and North 39th Street. The development will replace a vacant lot with a two-story attached structure spanning 1,135 square feet. Turn Key Realty LLC is listed as the contractor. Parallel Architecture Studio is the architect.
Construction costs are listed at $218,000. The reported cost breakdown includes $156,000 for general construction, $30,000 for excavation, $16,000 for plumbing work, $8,500 for mechanical work, and $7,500 for electrical work.

3935 Folsom Street Plan via Parallel Architecture Studio
The approved scope of work calls for the erection of an attached two-story structure for use as single-family household living. The building will be sprinklered throughout in accordance with NFPA 13D. The structure is classified as Type V-B construction and will include R-3 residential occupancy across a basement, first floor, and second floor.
Zoning documents show a 1,022-square-foot lot with a proposed 532-square-foot building footprint, resulting in 52 percent occupied area. The project includes a 9-foot-2-inch front setback and a 30-foot-10-inch rear yard. No off-street parking is proposed.

3935 Folsom Street Front Elevation via Parallel Architecture Studio
The drawings depict a narrow two-story attached home measuring 14 feet wide at the front elevation and rising 24 feet to the roof line. The front facade includes a covered porch, exterior steps, a simple railing system, a first-floor entry door, paired front windows, and two second-floor windows. The elevation presents a straightforward masonry-faced design with a flat roof and minimal ornamentation.
The project will add a compact single-family residence to a small infill lot on Folsom Street. With zoning approval and building permit details in place, the development moves forward as a modest residential addition within an established rowhouse block in Mantua.
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