SOLD FOR $1,150,000
· Closed October 16, 2014
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
Listing History
| Event | Date | Price | Change |
|---|---|---|---|
| Listed | Oct 22, 2012 | $1,200,000 | - |
| Currently | May 4, 2026 | $1,150,000 | -4.2% |
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
108
Median Asking Price
$1.62M
Median $/Sqft
$1,376
Avg Days on Market
N/A
New This Week
12
Price Reduced
17%
Sold (30 Days)
23
Median Sale Price
$1.59M
Live data from RLS at REBNY • Updated 5/3/26, 9:38 PM EST
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Location
259 21ST Street #4J, Park Slope, Kings County • Near 5th Avenue & 6th Avenue
Building Information
Official NYC property records for this building
Tax & Assessment
Note: Individual unit taxes may differ. Verify current tax bills with NYC DOF.
Source: NYC PLUTO (Primary Land Use Tax Lot Output), NYC Department of City Planning (data.cityofnewyork.us)
Want help estimating ownership costs or understanding building compliance? Let's discuss
Listing Data
RLS® at REBNY (Real Estate Board of New York) via Trestle API. Updated in real-time.
Building Data
NYC PLUTO (Primary Land Use Tax Lot Output), NYC Department of City Planning. Updated quarterly.
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.
All data is provided for informational purposes only and should be independently verified. See our Data Sources Policy for more information.
Frequently Asked Questions
Common questions about this property
The current listed common charges are $799 per month. Confirm the exact amount with the listing broker before making an offer.
The current listed annual property tax is $12, or roughly $1 per month. Verify the current assessment with your attorney before closing.
This property has 2 bedrooms and 2 full bathrooms.
The listed interior living area is 1,665 square feet. Verify dimensions independently during due diligence.
According to MLS records, the building was constructed in 2006, making it approximately 20 years old.
This listing is a condominium. Buyers receive a deed to their individual unit and own their space outright, subject to condo association rules.
Pets are permitted at this property. Contact the listing broker for weight limits or breed restrictions.
At the current list price of $1,150,000 for 1,665 sq ft, the asking price per square foot is approximately $691. This figure is for reference only and may differ from appraised or assessed values.
To schedule a private showing, contact Milton Coste at (917) 416-7433 or mcoste@kwnyc.com. Per REBNY guidelines effective 2025, a Buyer Representation Agreement is required before a buyer's broker can show you properties. You may attend open houses independently without one.
Have a question not answered here?
(917) 416-7433Listing Courtesy of The Corcoran Group - Lakeisha Edwards
Listing Contact: (917) 531-2784
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.
Buyer Notice: Planning to work with a buyer's broker? A Buyer Representation Agreement is required before your broker can show you properties, per REBNY/UCBA guidelines (effective 2025). You may attend open houses independently without one.
RLS Data display by Keller Williams NYC. Data last updated on 5/4/2026 at 1:38 AM UTC