Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

SOLD FOR $799,000

· Closed September 29, 2020

91 6th Avenue #1
Closed For Sale Co-op

$799,000

91 6th Avenue #1

Park Slope, Brooklyn

MLS® #RLS10641019

RLS at REBNY

Listing by Compass

1

Bedroom

1

Bath

N/A

Sq. Ft.

1905

Year Built

Quick Summary

Bedrooms 1
Bathrooms 1
Year Built 1905
Ownership Co-op
Maintenance $549/mo
Neighborhood Park Slope
Floor 2 of 4

Property Highlights

  • Style: Prewar architecture
  • Character: Pre-war building (1905)

Property Details

Type Co-op
Ownership Stock Cooperative
Total Rooms 5
Baths 1 Full
Floor 2 of 4
Pets Yes
Cross Street Saint Marks Avenue/Prospect Place
Year Built 1905
Architectural Style Prewar
Parcel # 00936-0003-00091-000-0000001
Block/Lot 936/3

Listing History

Event Date Price Change
Listed Jun 22, 2020 $799,000 -
Currently Apr 26, 2026 $799,000 -

Description

Classic pre-war style with a private terrace. This 1 bedroom plus sleeping loft is located on a beautiful tree-lined street in prime Park Slope. Situated on the parlor level of a 20 foot wide brownstone this apartment has an effortless flow with beautiful pre-war detail offering the best of Brooklyn living. An expansive living room featuring 12-foot ceilings and custom built in shelves flows into an open kitchen. Complete with new appliances and a center island offering ample space for cooking and entertaining. Large oversized windows overlook a lush backyard garden. The private terrace offers a serene escape and ideal setting for a morning cup of coffee or meals enjoyed outside. Two large custom closets frame the entryway to the bedroom that includes a flexible loft space that could be used for additional storage, home office or library. Bike storage has been thoughtfully designed in the entryway of the apartment, and large storage space is included in the basement, as well as laundry. Ideally located only 1 block from the Bergen 2/3 trains, 2 blocks from the 7th Ave Q/B stations, and a short distance from Atlantic Terminal. Enjoy the farmers market on the weekends at Grand Army Plaza, Prospect Park, Barclays Center and dining options like al di la, James, Blueprint and Fausto. This pet friendly co-op has no underlying mortgage offering low maintenance making this the perfect package and place to call home.

Features & Amenities

Interior Features

Den

Building Information

Financial Details

Maintenance $549/mo
Sale Price $799,000

Park 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 Neighborhood

Active Listings

110

Median Asking Price

$1.70M

Median $/Sqft

$1,376

Avg Days on Market

N/A

New This Week

15

Price Reduced

16%

Sold (30 Days)

20

Median Sale Price

$1.66M

Live data from RLS at REBNY • Updated 4/26/26, 9:39 AM EST

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Location

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91 6th Avenue #1, Park Slope, Kings County • Near Saint Marks Avenue/Prospect Place

Building Information

Official NYC property records for this building

1874
Year Built
152 years old
3
Floors
4
Residential Units
R6B
Zoning District
Walk-Up Apartments Historic District: Park Slope Historic District Extension II

Tax & Assessment

Assessed Value: $1,211,850
Land Value: $8,100
Exemptions: $156,696

Note: Individual unit taxes may differ. Verify current tax bills with NYC DOF.

Lot Area: 2,000 SF
Building Area: 3,680 SF
Built FAR: 1.84
Allowed FAR: 2

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

Frequently Asked Questions

Common questions about this property

The current listed monthly maintenance are $549 per month. Confirm the exact amount with the listing broker before making an offer.

This property has 1 bedroom and 1 full bathroom.

According to MLS records, the building was constructed in 1905, making it approximately 121 years old.

This listing is a co-op (stock cooperative). Buyers purchase shares in a corporation rather than real property, and the board must approve all sales.

Pet policy requires confirmation with the listing broker.

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) 416-7433
MLS® ID: RLS10641019
First Listed: 6/22/2020
Closed: 9/29/2020
Contract Date: 6/23/2020

Listing Courtesy of Compass - Amanda McAvena

Listing Contact: (614) 364-2123

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 at REBNY

RLS Data display by Keller Williams NYC. Data last updated on 4/26/2026 at 1:39 PM UTC

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