318 21st Street
MLS® #RLS20062762
Listing by Laffey Real Estate NYC LLC
5
Bedrooms
3
Baths
2,300
Sq. Ft.
1940
Year Built
Quick Summary
Property Highlights
- Style: Prewar,WalkUp architecture
- Climate Control: Window Units
- Character: Pre-war building (1940)
Property Details
Description
Prime Park Slope South Opportunity! A rare 17'-wide property offering 2,278 SQFT across 3 levels with an RGB Zoning FAR of 2, Perfect for those looking to renovate, convert, or redevelop in one of Brooklyn’s neighborhoods. The Property is being sold as-is and delivered vacant, providing a clear path for your vision. An opportunity not to be missed!
Features & Amenities
Interior Features
Building Information
Financial Details
About Park Slope
View All Park Slope ListingsPark Slope is a well-known Brooklyn neighborhood, recognized for its tree-lined streets and preserved brownstones. Bordering the western edge of Prospect Park, the neighborhood offers convenient access to green space. The real estate market features a mix of historic townhouses, cooperatives, and modern condominiums, within walking distance of the park.
Park Slope Live Market Data
View NeighborhoodActive Listings
67
Median Asking Price
$1.79M
Median $/Sqft
$1,374
Avg Days on Market
N/A
New This Week
2
Price Reduced
18%
Sold (30 Days)
22
Median Sale Price
$1.60M
Live data from RLS at REBNY • Updated 2/15/26, 11:35 PM EST
Location
318 21st Street, Park Slope, Kings County • Near 6th Avenue/7th Avenue
Listing Data
RLS® at REBNY (Real Estate Board of New York) via Trestle API. Updated in real-time.
Market Data
RLS® at REBNY (Real Estate Board of New York). Live data updated in real-time.
Map & Location
OpenStreetMap contributors via Leaflet. Geocoding via Nominatim.
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Listing Courtesy of Laffey Real Estate NYC LLC - Philip C Laffey
Listing Contact: (516) 626-1500
Listing information for certain New York City properties provided courtesy of the Real Estate Board of New York's Residential Listing Service (the "RLS"). The information contained in this listing has not been verified by the RLS and should be verified by the consumer. The listing information provided here is for the consumer's personal, non-commercial use. Retransmission, redistribution or copying of this listing information is strictly prohibited except in connection with a consumer's consideration of the purchase and/or sale of an individual property. This listing information is not verified for authenticity or accuracy and is not guaranteed and may not reflect all real estate activity in the market. ©2026 The Real Estate Board of New York, Inc., all rights reserved. This advertisement does not suggest that the broker has a listing in this property or properties or that any property is currently available.
Broker Commission Disclosure: Broker commissions are not set by law and are fully negotiable.
RLS Data display by Keller Williams NYC. Data last updated on 2/16/2026 at 4:35 AM UTC