Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

SOLD FOR $1,522,000

Listed at $1,495,000 · Sold 1.8% above asking · Closed December 3, 2019

920 UNION Street #3F
Closed For Sale Co-op

$1,495,000

920 UNION Street #3F

Park Slope, Brooklyn

MLS® #RLS10572959

RLS at REBNY

Listing by The Corcoran Group

2

Bedrooms

1.5

Baths

N/A

Sq. Ft.

1920

Year Built

Quick Summary

Bedrooms 2
Bathrooms 2 full, 1 half
Year Built 1920
Ownership Co-op
Maintenance $1,331.95/mo
Neighborhood Park Slope

Property Highlights

  • Outdoor Space: Rooftop
  • Style: Prewar architecture
  • Climate Control: Central Air

Property Details

Type Co-op
Ownership Stock Cooperative
Total Rooms 4
Baths 1 Full, 1 Half
Cooling Central Air
Pets Yes
Cross Street 8th Avenue & Prospect Park West
Year Built 1920
Architectural Style Prewar
Parcel # 01066-0032-00920-000-000003F

Listing History

Event Date Price Change
Listed Jun 5, 2019 $1,495,000 -
Currently Apr 27, 2026 $1,495,000 -

Description

920 Union Street, Apt 3FSpacious two bedroom duplex with large private roof deck in Art Nouveau elevator building with spectacular Grand Army Plaza views and Prospect Park at your doorstep.The recently renovated open kitchen has high-end finishes including Subzero refrigerator, Wolf oven and stove top, quartz counters, walnut custom cabinets and a Liebherr wine fridge. The living space features a wood burning fireplace and convenient half bath. There are split air conditioning units for climate control, 10 foot ceilings and hardwood floors throughout.Up the stairs, the expansive master bedroom has great closets and custom blinds. The second bedroom, currently used as an office, has a large motorized skylight which closes automatically when it senses rain. The bathroom includes marble counters and a washer and vented dryer. Built-in bookshelves line the upstairs hallway. The private roof deck was built to last with Ipe wood and high performance Trex. It includes a shed for gardening supplies and winter storage, as well as built in lighting, electrical outlets and running water.Once the headquarters of the exclusive Long Island Automobile Club, this elevator coop building has extra storage and a bicycle room in the basement. In a prime location, moments from the trains and all the convenience and charm that Park Slope has to offer, Prospect Park, the Grand Army farmers market, Public Library, Brooklyn Museum and Botanic Gardens.Elevator Split A/C unitsWasher/Dryer (vented to exterior)Excellent storage as well as basement storage and bicycle roomPublic Transportation 2, 3, B, Q, N, RPS 321

Features & Amenities

Interior Features

Building Washer Dryer Install Allowed

Exterior Features

Rooftop

Building Information

Building Data View Compliance & Permits
Total Units 17
Stories 4
Style Prewar

Financial Details

Maintenance $1,331.95/mo
Sale Price $1,522,000

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

14

Price Reduced

16%

Sold (30 Days)

20

Median Sale Price

$1.66M

Live data from RLS at REBNY • Updated 4/27/26, 5:27 AM EST

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Location

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920 UNION Street #3F, Park Slope, Kings County • Near 8th Avenue & Prospect Park West

Floor Plans

Floor Plan

Building Information

Official NYC property records for this building

1920
Year Built
106 years old
4
Floors
17
Residential Units
R7B
Zoning District
Elevator Apartments

Tax & Assessment

Assessed Value: $1,705,950
Land Value: $66,150
Exemptions: $13,740

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

Lot Area: 4,750 SF
Building Area: 18,000 SF
Built FAR: 3.79
Allowed FAR: 3

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 $1,331.95 per month. Confirm the exact amount with the listing broker before making an offer.

This property has 2 bedrooms and 1 full bathroom and 1 half bathroom.

According to MLS records, the building was constructed in 1920, making it approximately 106 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: RLS10572959
First Listed: 6/5/2019
Closed: 12/3/2019
Contract Date: 6/5/2019

Listing Courtesy of The Corcoran Group - Charlie Pigott

Listing Contact: (917) 771-5346

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 4/27/2026 at 9:27 AM UTC

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