4-unit residential new construction, zoned RSA5.
A 4-unit residential building is set to rise at 1845-47 E Letterly St in Fishtown & East Kensington, the kind of by-right infill quietly reshaping the block. It was cleared to build in Jul 18, 2026.
The 1,752 sq ft site is zoned RSA5, which supports a building on the order of 3 stories by right. The parcel last changed hands in 2017. The plans call for new construction of a three (3) story building with basement and two (2) private roof decks with pilot houses for use as four (4) dwelling units as per approved plans. building to be fully sprinklered per nfpa 13. *2018 ibc review* **separate permits required for mep & fire suppression work**.
The owner of record is Sansan Development 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, 12 other major projects have broken ground since 2022 — roughly 543 units of new supply — including the 108-unit project at 2000-20 E Hagert St, the 18-unit project at 2520 N Front St, the 60-unit project at 2221 N Front 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 120 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 120 nearby opportunities →Major (8+ unit) new-construction projects filed within a half-mile since 2022 — the density gathering around this site.