For Sale · Listing by Corcoran Group
457 6th Street
Park Slope, Brooklyn
$4,375,000
457 6th Street
MLS® #RLS20115297
Listing by Corcoran Group
- 6
- Bedrooms
- 4
- Baths
- 3,600
- Sq. Ft.
- 1910
- Year Built
Quick Summary
Property Highlights
- Views: Other
- Outdoor Space: Patio
- Character: Pre-war building (1910)
Property Details
Listing History
| Event | Date | Price | Change |
|---|---|---|---|
| Listed | Sep 23, 2026 | $4,375,000 | - |
| Currently | Sep 23, 2026 | $4,375,000 | - |
Description
20 Feet Wide. Four Stories. Lots to Work With. 457 6th Street is a handsome Park Slope brownstone with the kind of scale that makes townhouse people swoon. Four stories, over 3,600 square feet, a private garden and a flexible three-family configuration give this house plenty of possibilities, whether you’re thinking owner’s triplex, multi-generational living, rental income, or some combination thereof. There’s beautiful original character, generous proportions and room to put your own stamp on things. Set on a lovely Center Slope block, just moments from Prospect Park, this is a substantial house in a seriously enviable location.
Features & Amenities
Interior Features
Exterior Features
Building Amenities
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
96
Median Asking Price
$1.86M
Median $/Sqft
$1,382
Avg Days on Market
N/A
New This Week
19
Price Reduced
11%
Sold (30 Days)
37
Median Sale Price
$1.69M
Live data from RLS at REBNY • Updated 9/23/26, 5:38 PM EST
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Location
457 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)
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 $0 per month. Confirm the exact amount with Milton Coste 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 6 bedrooms and 4 full bathrooms.
The listed interior living area is 3,600 square feet. Verify dimensions independently during due diligence.
According to MLS records, the building was constructed in 1910, making it approximately 116 years old.
This listing is None
Pet policy requires confirmation with Milton Coste.
At the current list price of $4,375,000 for 3,600 sq ft, the asking price per square foot is approximately $1,215. 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 Corcoran Group - Jessica L Buchman
Listing Contact: (917) 579-8641
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 9/23/2026 at 9:38 PM UTC
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Quick Facts
Monthly Costs Estimate
$875,000
Source: Freddie Mac PMMS
Est. Monthly Payment
$0
Estimates only. Consult a lender for exact figures.
Mansion tax applies at this price point
New York State charges the buyer a mansion tax on residential purchases at $1,000,000 or more. At this asking price the tier is $3M to $4,999,999 at 1.50%, applied to the whole purchase price. It is due in cash at closing and cannot be financed.
Estimated mansion tax at asking
$65,625
Estimate based on the asking price. Confirm your own obligation with your real estate attorney.
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