Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

SOLD FOR $790,000

Listed at $799,000 · Sold 1.1% below asking · Closed March 6, 2019

91 6th Avenue #3A
Closed For Sale Co-op

$799,000

91 6th Avenue #3A

Park Slope, Brooklyn

MLS® #RLS10426723

RLS at REBNY

Listing by The Corcoran Group

2

Bedrooms

1

Bath

N/A

Sq. Ft.

1905

Year Built

Quick Summary

Bedrooms 2
Bathrooms 1
Year Built 1905
Ownership Co-op
Maintenance $475/mo
Neighborhood Park Slope
Floor 3 of 3

Property Highlights

  • Exposure: East,West facing
  • Style: Prewar architecture
  • Climate Control: Window Units

Property Details

Type Co-op
Ownership Stock Cooperative
Total Rooms 4
Baths 1 Full
Floor 3 of 3
Exposure East,West
Cooling Window Units
Pets Yes
Cross Street Saint Marks Avenue & Prospect Place
Year Built 1905
Architectural Style Prewar

Listing History

Event Date Price Change
Listed Sep 5, 2018 $825,000 -
Currently Apr 28, 2026 $799,000 -3.2%

Description

Classic Brownstone living in prime North Park Slope! Move right into this turn key convertible 2 Bedroom/1 Bath floor-through apartment with 9.5' ceilings, renovated kitchen and bathroom, open concept living/dining/kitchen space, beautiful tin ceiling, and views of tranquil tree tops and gardens. All this and an extremely low monthly maintenance of $475/month makes it hard to rent when you could buy this unit for the same monthly cost. Located on the top floor (only 2 flights up) of a historic brownstone, this unit boasts brand new Bosch dishwasher, quartz counter-tops, updated bathroom with detailed marble and subway tiling, large eat-in kitchen with custom cabinetry, master bedroom large enough for a king sized bed and wardrobes, and a bonus windowed room which can be used as a 2nd bedroom, nursery, home office or den. With eastern and western exposures, the apartment is filled with light throughout the day, and the durable double pane windows keeps the apartment pin drop quiet. With free laundry and storage in the basement, you could not ask for anything more of this perfect starter apartment. Located on the northern side of Park Slope, 91 6th Avenue is a boutique brownstone coop with only 4 units. Around the corner from multiple subway lines, including the 2/3/4 at Bergen or the B/Q at 7th Avenue, or a short walk to the Atlantic Avenue Terminal, which has every subway line and the LIRR. Within minutes Prospect Park, Grand Army Plaza (and the weekly Green Farmer's Market!), The Brooklyn Public Library, Brooklyn Museum, Brooklyn Botanic Gardens, and Prospect Park Zoo. Enjoy the best of Park Slope, Prospect Heights and Downtown Brooklyn in this super convenient location, with top eateries and shopping all within a 10 minute walk, along Flatbush Avenue, and within 300 Ashland (Whole Foods 365, Gotham Market, Apple Store) and Atlantic Avenue Mall. You do not want to miss out on this special apartment!

Features & Amenities

Interior Features

Eat In Kitchen Building Washer Dryer Install Allowed Common Area

Building Information

Building Data View Compliance & Permits
Total Units 4
Stories 3
Style Prewar

Financial Details

Maintenance $475/mo
Original Price $825,000
Sale Price $790,000
Previous Price $825,000

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

112

Median Asking Price

$1.71M

Median $/Sqft

$1,376

Avg Days on Market

N/A

New This Week

12

Price Reduced

17%

Sold (30 Days)

21

Median Sale Price

$1.66M

Live data from RLS at REBNY • Updated 4/27/26, 8:37 PM EST

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Location

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91 6th Avenue #3A, Park Slope, Kings County • Near Saint Marks Avenue & Prospect Place

Floor Plans

Floor Plan 1

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 $475 per month. Confirm the exact amount with the listing broker before making an offer.

This property has 2 bedrooms 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.

Pets are permitted at this property. Contact the listing broker for weight limits or breed restrictions.

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: RLS10426723
First Listed: 9/5/2018
Price Changed: 9/30/2018
Closed: 3/6/2019
Contract Date: 9/5/2018

Listing Courtesy of The Corcoran Group - Jennifer Lee

Listing Contact: (516) 740-1710

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 4/28/2026 at 12:37 AM UTC

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