Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433

SOLD FOR $3,750,000

· Closed July 14, 2017

634 3rd Street
Closed For Sale Multi Family

$3,750,000

634 3rd Street

Park Slope, Brooklyn

MLS® #RLS10058537

RLS at REBNY

Listing by The Corcoran Group

Studio

Bedroom

0

Bath

N/A

Sq. Ft.

1901

Year Built

Quick Summary

Bedrooms Studio
Bathrooms 0
Year Built 1901
Neighborhood Park Slope

Property Highlights

  • Style: Prewar architecture
  • Character: Pre-war building (1901)

Property Details

Type Multi Family
Baths null Full
Pets Yes
Year Built 1901
Architectural Style Prewar
Parcel # 01081-0036
Block/Lot 1081/36

Listing History

Event Date Price Change
Listed Apr 24, 2017 $3,850,000 -
Currently Apr 29, 2026 $3,750,000 -2.6%

Description

Located on one of Park Slopes loveliest blocks, this impressive 20 foot wide home stands four stories and features two duplex units each with its own private entrance. Set back from the street with a deep front yard, this home is a reflection of the finest in early 20th century architecture. Upon entering the garden level you'll find an elegant living room leading to a separate dining room that overlooks your beautiful garden. The eat-in kitchen, mudroom and full bath complete this level. Up one flight is the master bedroom and two additional bedrooms as well as a full bath. There is access to the upper duplex from this floor, providing a flexible layout if you wish to convert the property into a grand single family home.The top two floors comprise the lovely upper unit which includes the sun-filled living room, with two exposures and decorative fireplace and separate dining room with windowed kitchen. Upstairs are three bedrooms, a full bath, and plenty of closet space. Adding to the splendor, this home has a staircase with bulkhead leading to the roof making it perfect for the next owner to add an expansive roof deck with breathtaking views of Prospect Park and Manhattan.

Building Information

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

114

Median Asking Price

$1.74M

Median $/Sqft

$1,384

Avg Days on Market

N/A

New This Week

14

Price Reduced

17%

Sold (30 Days)

24

Median Sale Price

$1.64M

Live data from RLS at REBNY • Updated 4/29/26, 4:08 PM EST

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Location

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634 3rd Street, Park Slope, Kings County

Floor Plans

Floor Plan 1

Building Information

Official NYC property records for this building

1909
Year Built
117 years old
4
Floors
2
Residential Units
R7B
Zoning District
Two Family Dwellings Historic District: Park Slope Historic District

Tax & Assessment

Assessed Value: $292,800
Land Value: $44,640
Exemptions: $0

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

Lot Area: 1,948 SF
Building Area: 3,624 SF
Built FAR: 1.86
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

According to MLS records, the building was constructed in 1901, making it approximately 125 years old.

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: RLS10058537
First Listed: 4/24/2017
Price Changed: 7/16/2017
Closed: 7/14/2017
Contract Date: 4/24/2017

Listing Courtesy of The Corcoran Group - Jackie 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 at REBNY

RLS Data display by Keller Williams NYC. Data last updated on 4/29/2026 at 8:08 PM UTC

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