SOLD FOR $6,300,000
Listed at $6,500,000 · Sold 3.1% below asking · Closed October 22, 2025
448 6th Street
MLS® #RLS20044725
Listing by Sothebys International Realty
5
Bedrooms
3.5
Baths
3,476
Sq. Ft.
1901
Year Built
Quick Summary
Property Highlights
- Views: City
- Exposure: East,North,South,West facing
- Outdoor Space: Building Deck, Building Patio, Deck, Patio, Balcony
Property Details
Listing History
| Event | Date | Price | Change |
|---|---|---|---|
| Listed | Aug 27, 2025 | $6,500,000 | - |
| Currently | May 8, 2026 | $6,500,000 | - |
Description
Park Slope Perfection! A meticulously renovated 1901 townhouse on an idyllic tree-lined street, only 2 blocks from Prospect Park. The handsome brick & brownstone facade is distinguished by a 3-story bay with windows topped with leaded glass panels. In move-in condition, this special home includes 4/5 Bedrooms, 3 newly renovated full Bathrooms and 2 Powder Rooms. The versatile layout includes 3,500 interior square feet across 4 floors. A full 712 square foot finished Basement includes an enormous Laundry Room and excellent Storage. A lush garden is lined with hydrangeas. The magical roof deck is a stunning addition to a house designed for entertainment, with captivating views of sunsets over the Statue of Liberty and New York City skyline. There is a total of 1,200 square feet of beautifully landscaped and fully-irrigated outdoor space. An impressive stoop leads to a gracious double-door Entry. The Parlor Floor boasts soaring ceilings and fine original architectural detail with beautifully restored moldings, hardwood floors, and the original hand-carved center stair banister. The Front Parlor is anchored by a gas fireplace with an antique marble mantlepiece reclaimed from the Plaza Hotel. A well-proportioned paneled Living Room is finished with custom millwork, coffered ceilings, and superb storage. A pair of sliding glass doors open to a balcony overlooking a dramatic double-height (20+ feet) glass-enclosed Solarium overlooking the south-facing Garden. A well-placed Powder Room completes the Parlor Floor. The Garden Floor features a spacious Dining Room and a large Kitchen. The Eat-In Chef’s Kitchen includes a suite of top-of-the-line appliances, a solid hand-carved marble sink designed to blend perfectly with the massive island, and a walk-in Pantry. The Kitchen is outfitted with a vented 48” Wolf double oven with a 6-burner plus griddle gas range top; a Wolf microwave and a Wolf warming drawer; a Sub-Zero 36” refrigerator, two under-counter Sub-Zero freezer drawers, a Sub-Zero wine cooler; a Bosch dishwasher and abundant storage. The Kitchen opens directly to an impressive 2-story Solarium, ideally suited for indoor/outdoor dining. The Solarium is temperature-controlled with mechanically operated windows for air circulation. The attractively landscaped garden is stone-paved and lined with a border of mature hydrangeas. The Dining Room is paneled with wainscoting and features a second gas fireplace. A second Powder Room and a secondary Entry with double doors complete the Garden Level. Upstairs, the 3rd Floor includes a large Bedroom with a bay window seat and a newly renovated full en-suite Bathroom as well as 2 south-facing Bedrooms and a second newly renovated full Bathroom. A cedar Linen Closet completes this floor. The 4th Floor functions as a Primary Bedroom Suite. A spacious Primary Bedroom with a gas fireplace and a bay reading nook overlooks the treetops of bucolic Sixth Street. A large, custom-designed, walk-through closet opens to a luxurious, newly renovated Primary Bathroom with a double vanity sink, oversized rain shower, and a large opaque privacy window. An Office/5th Bedroom may serve as a private work space, a Dressing Room or a Nursery. A glass-enclosed stairway leads to a glorious stone-paved roof garden with breathtaking views of the Manhattan skyline, the New York Harbor and the Statue of Liberty and a picturesque wisteria-covered pergola and a rose garden, an outdoor Kitchen with a full barbecue and bar. The Basement, with a large Laundry Room with a chute and oversized ironing table and a large storage room, easily converted to a gym. Fully renovated, with a new 3-zone central air conditioning system, new windows, and a new security system. Located near Brooklyn's beloved Prospect Park and rich in original architectural detail and scale, ideal for the discerning buyer in search of a historic home in true turnkey condition.
Features & Amenities
Interior Features
Exterior Features
Appliances
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
116
Median Asking Price
$1.59M
Median $/Sqft
$1,407
Avg Days on Market
N/A
New This Week
18
Price Reduced
16%
Sold (30 Days)
25
Median Sale Price
$1.59M
Live data from RLS at REBNY • Updated 5/7/26, 8:41 PM EST
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Location
448 6th Street, Park Slope, Kings County
Floor Plans
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)
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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.
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Frequently Asked Questions
Common questions about this property
The current listed common charges are $0 per month. Confirm the exact amount with the listing broker before making an offer.
The current listed annual property tax is $9,156, or roughly $763 per month. Verify the current assessment with your attorney before closing.
This property has 5 bedrooms and 3 full bathrooms and 2 half bathrooms.
The listed interior living area is 3,476 square feet. Verify dimensions independently during due diligence.
According to MLS records, the building was constructed in 1901, making it approximately 125 years old.
This listing is None
Pets are permitted at this property. Contact the listing broker for weight limits or breed restrictions.
At the current list price of $6,500,000 for 3,476 sq ft, the asking price per square foot is approximately $1,870. 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 [email protected]. 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 Sothebys International Realty - Roberta Golubock
Listing Contact: (212) 606-7704
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 5/8/2026 at 12:41 AM UTC