91 E 31ST Street
MLS® #RLS20080482
Listing by Corcoran Group
5
Bedrooms
3
Baths
2,160
Sq. Ft.
1910
Year Built
Quick Summary
Property Highlights
- Views: Other
- Outdoor Space: Patio
- Character: Pre-war building (1910)
Property Details
Description
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
Features & Amenities
Interior Features
Exterior Features
Building Amenities
Appliances
Building Information
Financial Details
About Flatbush
View All Flatbush ListingsFlatbush features one of Brooklyn's most varied housing stocks, including grand detached Victorians along Ocean Avenue, limestone and brownstone rowhouses, prewar apartment buildings, and brick townhomes within landmarked districts like Prospect Park South and Ditmas Park. The Q, 2, and 5 trains connect the neighborhood to Manhattan, while Prospect Park's 526 acres of green space border the northern edge. The restored Kings Theatre, a 1920s-era landmark performance venue, and Erasmus Hall High School, founded in 1786, are among the area's most notable architectural features.
Flatbush Live Market Data
View NeighborhoodActive Listings
41
Median Asking Price
$525K
Median $/Sqft
$466
Avg Days on Market
N/A
New This Week
3
Price Reduced
34%
Sold (30 Days)
4
Median Sale Price
$464K
Live data from RLS at REBNY • Updated 3/31/26, 4:24 PM EST
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Location
91 E 31ST Street, Flatbush, Kings County
Floor Plans
Listing Data
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Market Data
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Listing Courtesy of Corcoran Group - Mary Smith
Listing Contact: (347) 233-4676
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RLS Data display by Keller Williams NYC. Data last updated on 3/31/2026 at 8:24 PM UTC