259 21ST Street #4J
MLS® #RLS10045679
Listing by The Corcoran Group
2
Bedrooms
2
Baths
1,665
Sq. Ft.
2006
Year Built
Quick Summary
Property Highlights
- Views: City
- Outdoor Space: Building Terrace, Patio, Rooftop
- New Construction: Brand new building
Property Details
Description
Incredibly Rare! A Converted 3BR/2Bath PREWAR LOFT with Private parking and over 700 sqft of exclusive Private Roof Rights with sweeping unobstructed Manhattan Views!. This expansive gem equates to a one-family townhouse in a luxury condo! Literally, 1,665 SQ. FT, this 3BR/2BTH loft duplex is located on the top floor of St. Johns Condominium, the well-regarded elevator-condo conversion formerly a private grammar school. As the new owner(s) you will enjoy the added luxury of soaring 20 foot ceilings, oversized windows and 3 sun drenched exposures, stunning double-height living/ dining room and open gourmet kitchen with cherry wood cabinetry, high-end appliances, granite counter tops and table-sized granite breakfast bar for casual dining, beautifully restored original wood strip floors throughout and a Washer/Dryer in the unit. The lower duplex features: 2 large BRs, full guest bathroom and one adjoining bath. The 2nd floor of the duplex is an open 400 sq. ft. windowed loft that can serve as a spacious entertainment/ screening room or serve as extra guest room. If that wasnt enough, this apartment also comes with 700 SQ. FT. of PRIVATE ROOF RIGHTS and a covered parking space. Apartment Features: North exposure, West exposure, South exposure. R / M / F trains are a short distance away and highly regarded schools nearby live-in super, and J-51 tax abatement are in place. Apartment Features: Roof deck, Full city view, Floors - hardwood, Light - excellent, Windows - oversized, Modern kitchen, Great closet space, Washer/dryer Building Features: Roof deck
Features & Amenities
Interior Features
Exterior 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
95
Median Asking Price
$1.75M
Median $/Sqft
$1,408
Avg Days on Market
N/A
New This Week
16
Price Reduced
15%
Sold (30 Days)
17
Median Sale Price
$1.66M
Live data from RLS at REBNY • Updated 4/10/26, 5:47 AM EST
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Location
259 21ST Street #4J, Park Slope, Kings County • Near 5th Avenue & 6th Avenue
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 The Corcoran Group - Lakeisha Edwards
Listing Contact: (917) 531-2784
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RLS Data display by Keller Williams NYC. Data last updated on 4/10/2026 at 9:47 AM UTC