For Sale · Listing by Corcoran Group
150 6th Avenue
Park Slope, Brooklyn
$3,995,000
$3,995,000
150 6th Avenue
MLS® #RLS20114993
Listing by Corcoran Group
- 5
- Bedrooms
- 3.5
- Baths
- N/A
- Sq. Ft.
- 1901
- Year Built
Quick Summary
Property Highlights
- Exposure: East,West facing
- Character: Pre-war building (1901)
Property Details
Listing History
| Event | Date | Price | Change |
|---|---|---|---|
| Listed | Sep 14, 2026 | $3,995,000 | - |
| Currently | Sep 15, 2026 | $3,995,000 | - |
Description
Grand in scale and rich in original detail, 150 Sixth Avenue is a classic Park Slope townhouse offering expansive interiors, a deep rear garden, and a flexible three-family configuration. At an impressive 22 feet wide, the four-story home is currently configured with a one-bedroom, one-bath garden apartment, a grand 2.5-bedroom, 1.5-bath duplex on the parlor and third floors, and a two-bedroom, one-bath apartment on the top floor. The centerpiece of the home is the expansive duplex. Enter on the parlor floor, where soaring ceilings, oversized rooms, original moldings, decorative fireplace mantels, and beautiful hardwood floors speak to the scale and character of the house. The gracious layout provides distinct living and dining spaces with wonderful proportions and an easy flow for both everyday living and entertaining. A powder room and conveniently located kitchen complete this level. Upstairs, the bedroom floor offers 2.5 bedrooms and a full bath. Generous room sizes, high ceilings, and wonderful natural light continue throughout this level, while the home’s exceptional width gives each room an added sense of space. The garden level is configured as a one-bedroom, one-bath apartment with direct access to the large rear garden. The deep backyard, anchored by a mature flowering cherry tree, provides a wonderful extension of the living space and a peaceful retreat from the city. The top floor is currently arranged as a bright two-bedroom, one-bath apartment, providing additional rental income or flexibility for guests, extended family, or future incorporation into a larger owner’s residence. Original doors, moldings, plasterwork, marble fireplace mantels, hardwood floors remain throughout the house, providing a beautiful foundation for its next owner. A large unfinished cellar offers substantial additional storage. Located on a picturesque tree-lined block in prime Park Slope, 150 Sixth Avenue is moments from Barclays Center, Prospect Park and Grand Army Plaza, with the shops, restaurants, cafés, and neighborhood favorites of Fifth and Seventh Avenues all nearby. The Atlantic Avenue transportation hub is just a few blocks away. A special opportunity to own a substantial Park Slope townhouse with remarkable width and beautiful period detail, whether as an end-user seeking a gracious home with rental income or as an investment property with three distinct residences.
Features & Amenities
Interior 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
76
Median Asking Price
$2.00M
Median $/Sqft
$1,389
Avg Days on Market
N/A
New This Week
22
Price Reduced
14%
Sold (30 Days)
43
Median Sale Price
$1.70M
Live data from RLS at REBNY • Updated 9/14/26, 9:10 PM EST
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Location
150 6th Avenue, 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 $12,300, or roughly $1,025 per month. Verify the current assessment with your attorney before closing.
This property has 5 bedrooms and 3 full bathrooms and 1 half bathroom.
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 Milton Coste for weight limits or breed restrictions.
To schedule a private showing, contact Milton Coste at (917) 416-7433 or milton@miltoncoste.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 Corcoran Group - Jacqueline Torren
Listing Contact: (917) 287-4249
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 9/15/2026 at 1:10 AM UTC
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Quick Facts
Monthly Costs Estimate
$799,000
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
$59,925
Estimate based on the asking price. Confirm your own obligation with your real estate attorney.
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