Last updated on Apr 3, 2026

184 21st Street

Overview of 184 21st Street

184 21st Street is a modern condominium located in the vibrant neighborhood of Greenwood Heights/South Slope. The building features a selection of one-bedroom apartments, each designed to maximize space and light. Common attributes include generous living areas, oversized windows, and private balconies that offer stunning views of the New York Harbor and the Statue of Liberty. The apartments are equipped with stainless steel appliances, granite countertops, and ample cabinet space, catering to both comfort and functionality.

Residents can enjoy a shared roof deck that provides breathtaking city views, making it an ideal spot for relaxation or entertaining guests. The building's layout typically includes only three units per floor, ensuring a sense of privacy and exclusivity. Many units also feature additional spaces such as home offices, enhancing their appeal for professionals or those working from home.

The neighborhood is well-connected, with close proximity to the R train, making commuting to other parts of the city convenient. This developing area is becoming increasingly popular, offering a mix of local amenities and a community feel. Overall, 184 21st Street presents a compelling option for first-time buyers or investors looking for a property in a thriving part of Brooklyn.

Doorman

None

Type

Condo

Year Built

2005

Apartments

22 (view all units)

Floors

Neighborhood

South Slope - Greenwood Heights (Brooklyn)

Min Down

20%

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Amenities

Post War
Elevator

Area Map StreetView

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at 4th Ave 0.19 miles

Sales History

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Sales Summary

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Alternate Addresses

184 21 Street
679 4 Avenue

One United Nations Park

between East 39th Street & East 40th Street

Murray Hill

One United Nations Park is an unprecedented interplay of privacy and light—a balance that reflects the architecture’s bold exterior and luminous interiors.

1 beds starting at $0
3 beds starting at $6,150,000
4 beds starting at $4,870,000

Learn More

One United Nations Park - Exterior View - Building

One United Nations Park - Exterior/Interior View - Terrace and Living Room

One United Nations Park - Interior - Corner View - Living Room

One United Nations Park - Interior - Living Room - View of ESB

One United Nations Park - Interior View - Colorful Living Room

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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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District\/BPC","_fd"],"4":[40.682676,-73.973007,"Brooklyn","_b"],"12":[40.8444,-73.9376,"Upper Manhattan","_um"],"5":[40.7477089,-73.930411,"LIC \/ Queens","_qns"],"18":[40.8889782,-73.9025,"The Bronx","_bx"]}

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184 21st Street

Overview of 184 21st Street

Maps &3D Aerial Views

Amenities

Sales History

Sales Summary

Pricing Comparison of Similar Buildings

Alternate Addresses

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Market Data

Market Insight

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