Last updated on Apr 3, 2026

427 Seventh Avenue

Recent Sales (2) $1,108 Avg. price/ft²
All Units in Building (4)

Apt. COM2

$520,000

May 20, 2025

Apt. RES3

1 bed

1 bath

650 ft²

$720,000

$1,108

Oct 20, 2022

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Overview of 427 Seventh Avenue

427 Seventh Avenue is a charming co-op building located in the heart of Park Slope, Brooklyn, just two blocks from Prospect Park. This self-managed, pet-friendly building consists of seven units and features no underlying mortgage, making it an attractive option for potential buyers. The building is conveniently situated near the F, G, and R subway lines, as well as a variety of shops, restaurants, and bars along vibrant 7th Avenue. The apartments at 427 Seventh Avenue are characterized by their unique duplex layouts, high ceilings, and hardwood floors. Many units boast a wood-burning fireplace, in-unit washer/dryer, and spacious outdoor spaces, including private gardens and rooftop terraces with stunning views of the Manhattan skyline. The interiors often feature modern kitchens equipped with premium appliances, such as Bosch stainless steel units, and ample storage options, including walk-in closets and additional basement storage. Residents enjoy a blend of classic Brooklyn charm and modern conveniences, with features like bay windows that allow for excellent natural light and cozy living spaces perfect for entertaining. The building's intimate setting and well-maintained environment contribute to its appeal, making it a desirable choice for those looking to experience the vibrant Park Slope lifestyle.

Doorman

None

Type

Condo

Year Built

1924

Apartments

4 (view all units)

Floors

Neighborhood

Park Slope (Brooklyn)

Min Down

20%

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at 7th Ave and 9th 0.27 miles

at 4th Ave and Prospect Ave 0.48 miles

Sales History

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Alternate Addresses

427A Seventh Avenue
427B Seventh Avenue

255 East 77th Street

between Second Avenue & Third Avenue

Lenox Hill

A masterwork by Robert A.M.Stern on the UES. Two- to six-bed condos with grand proportions and Central Park views. Selling Quickly | 2026 Occupancy.

5 beds starting at $8,150,000
6+ beds starting at $25,770,000

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RLS IDX Data display by CityRealty.com, LLC. This 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. IDX information is provided exclusively for consumers’ personal, non-commercial use and it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

All information furnished regarding property for sale, rental or financing is from sources deemed reliable, but no warranty or representation is made as to the accuracy thereof and same is submitted subject to errors, omissions, change of price, rental or other conditions, prior sale, lease or financing or withdrawal without notice. All dimensions are approximate. For exact dimensions, you must hire your own architect or engineer and for no listing shall the number of bedrooms listed be considered a legal conclusion.

All closed sales data has been provided by the New York City Department of Finance via the Automated City Register Information System (ACRIS). No warranty or representation is made as to the accuracy of any data provided by ACRIS or any other sources.

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An equal housing opportunity

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427 Seventh Avenue

Overview of 427 Seventh Avenue

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