421 18th Street
MLS® #RLS10057477
Listing by Keller Williams Realty Empire
3
Bedrooms
3
Baths
1,512
Sq. Ft.
1915
Year Built
Quick Summary
Property Highlights
- Style: Prewar architecture
- Character: Pre-war building (1915)
Property Details
Description
Modern, light-filled, 3 bedroom, 3 bath triplex townhome. Legal 2 family used as 1, smartly reconfigured for optimum utilization of space. The main level offers an open concept floorplan with comfortable living and dining areas, an updated kitchen and half bath. The second level offers two nice sized bedrooms both with terrific closet space and European bath. The third level offers a private master bedroom with en-suite bath and custom walk-in closet. Oak floors, vaulted ceiling and skylights. Back yard with deck and pool. Finished basement with laundry area and space for playroom or home office. Home�¢s total square footage was measured at 1350. Opportunity for additional buildable square footage with maximum. FAR of 1.35 (current FAR .88).
Features & Amenities
Interior Features
Building Information
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
92
Median Asking Price
$1.74M
Median $/Sqft
$1,422
Avg Days on Market
N/A
New This Week
8
Price Reduced
15%
Sold (30 Days)
20
Median Sale Price
$1.68M
Live data from RLS at REBNY • Updated 4/8/26, 10:16 AM EST
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Location
421 18th Street, Park Slope, Kings County • Near 7th Avenue/8th Avenue
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Listing Data
RLS® at REBNY (Real Estate Board of New York) via Trestle API. Updated in real-time.
Market Data
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Map & Location
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Listing Courtesy of Keller Williams Realty Empire - Loretta Nastasi Rivera
Listing Contact: (917) 837-0774
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RLS Data display by Keller Williams NYC. Data last updated on 4/8/2026 at 2:16 PM UTC