91 E 31ST Street, New York City, NY 11226

91 East 31st Street Flatbush, Brooklyn Development opportunity with clear upside in a transit-driven Flatbush location. CASH OFFERS ONLY -Situated on an 18′ x 100′ lot within an R6 zoning district, this two-family property offers a straightforward path to expansion or full repositioning.The existing structure spans approximately 2, 160 square feet and is configured as a two-family with an English basement, allowing for flexible layouts and multiple end-use scenarios. Whether delivered as a renovated multi-unit, owner-user with income, or expanded asset, the current configuration provides a usable base while plans are developed.The key value lies in the additional buildable square footage. With a maximum allowable build of approximately 3, 960 square feet, there is roughly 1, 800 square feet of unused FAR-creating a clear opportunity for vertical expansion or reconfiguration to maximize returns.Located in an Opportunity Zone and within close proximity to the 2/5 subway lines, the property benefits from strong rental fundamentals and long-term appreciation drivers.This is a clean, scalable project for developers seeking a manageable footprint with meaningful upside in a steadily growing Brooklyn submarket.

Key Development Facts:Lot: 18 ft x 100 ft (1, 800 SF)
Building: 18 ft x 40 ftExisting: 2, 160 SF
Configuration: Two-family + English basement
Zoning: R6
Max Buildable: 3, 960 SF
Additional FAR: 1, 800 SF
Stories: 2
Year Built: 1910T
Taxes: $6, 500 – Please independently verify
Opportunity Zone: Yes
Transit: 0.16 miles to 2/5