Last updated on Apr 3, 2026

70 Bay 20th Street

Overview of 70 Bay 20th Street

70 Bay 20th Street is a renovated duplex condominium situated in the heart of Bath Beach, offering a unique living experience across its 3rd and 4th levels. The unit features a separate entrance while maintaining an internal connection, providing both privacy and accessibility. Each level is equipped with a bathroom, enhancing convenience for residents and guests alike. Notably, the second level includes a dry bar/kitchen, ideal for entertaining or casual dining. Residents of this building enjoy several appealing amenities, including deeded garage parking, a rooftop terrace, and an oversized balcony that offers outdoor space for relaxation or gatherings. The combination of these features makes the apartments particularly attractive for those seeking a blend of comfort and functionality in a vibrant neighborhood. While specific celebrity residents are not detailed, the building's location and amenities suggest it may attract a diverse range of individuals, including those looking for a pied-à-terre in New York City. The overall design and layout of the apartments cater to modern living, making it a noteworthy option for potential buyers or renters in the area.

Doorman

None

Type

Condo

Year Built

2007

Apartments

9 (view all units)

Floors

Neighborhood

Bath Beach (Brooklyn)

Min Down

20%

Maps &
3D Aerial Views

View school info, local attractions, transportation options & more.

Experience amazing 3D aerial maps and fly throughs.

Amenities

Post War

Area Map StreetView

{ "key" : "AIzaSyDquABdSLhathmwfnoTcYwA1BY6coZZyZk", "lat": 40.60513, "lng": -74.00286, "marker": { "icon": "https://img3.cityrealty.com/neo/i/w/amenities/base.png" } }

at 18th Ave and 85th 0.20 miles

Sales History

View Full Closing History

Sales Summary

Show:

Pricing Comparison of Similar Buildings

View Detailed Comparison

Alternate Addresses

70 Bay 20 Street
72 Bay 20 Street
74 Bay 20 Street

One Williamsburg Wharf

between South 11th Street & Division Avenue

Williamsburg

Radiant waterfront condos from $715K. Over 20,000 SF of resort-style amenities. 6sqft’s 2024 Building of the Year. 45% Sold | Summer 2025 closings.

1 beds starting at $1,175,000
2 beds starting at $1,820,000
3 beds starting at $2,990,000

Learn More

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.

CityRealty is committed to ensuring digital accessibility for individuals with disabilities. We are continuously working to improve the accessibility of our web experience for everyone, and we welcome feedback and accommodation requests. If you wish to report an issue or seek an accommodation, please contact us at accessibility@cityrealty.com.

An equal housing opportunity

{"1":[40.775,-73.94,"East Side","_es"],"2":[40.79,-73.99,"West Side","_ws"],"11":[40.76,-73.98,"Midtown","_m"],"3":[40.736,-73.99,"Downtown","_d"],"13":[40.711309,-74.01,"Financial
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"]}

Turn Favoritesinto Tours!

70 Bay 20th Street

Overview of 70 Bay 20th Street

Maps &3D Aerial Views

Amenities

Sales History

Sales Summary

Pricing Comparison of Similar Buildings

Alternate Addresses

Buy & Sell

Rent

Buildings

Insights

Company

Turn Favorites
into Tours!

Maps &
3D Aerial Views