New Development
Last updated on Feb 16, 2026
351 Union Street
Currently, 1 apartment is for sale.
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- All Apartments For Sale (1) $1,551 Avg. price/ft2
- Recent Sales (2) $1,868 Avg. price/ft2
- All Units in Building (2)
Unit #
Beds
Baths
Size
Price / Ft2
Price
Listed on
Days on Market
3 beds
2.5 baths
2,124 ft2
$1,551
$3,295,000
Feb 16, 2026
1 day
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#A:
$3,295,000 - 3 beds
#A:
$3,295,000 - 3 beds
Unit #
Beds
Baths
Size
Closing Price
Price / Ft2
Asking Price
Sold on
Overview of 351 Union Street
351 Union Street was built in 1920 and converted to condos in 2019. 351 Union Street has a total of 2 apartments and is located in Carroll Gardens, very close to the F and G subway lines.
Amenities at this pre war building include terraces / balconies, central ac and video intercom.
Similar nearby buildings include 238 De Graw Street, 16 2nd Place and 110 Boerum Place. See more ->
Doorman
None
Type
Condo
Year Built
1920
Converted:
2019
Apartments
Floors
3
Neighborhood
Carroll Gardens (Brooklyn)
Min Down
20%
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Amenities
- Pre War
- Central AC
- Video Intercom
- Terraces / Balconies
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- F
- G
Sales History
View Full Closing HistorySales Summary
Show:
Pricing Comparison of Similar Buildings
View Detailed Comparison
between West 96th Street & West 95th Street
Riverside Dr./West End Ave.
Upper West Side condos from $995K near Riverside Park and the Hudson River. Occupancy 2025 | 30,000 SF of indoor/outdoor amenities.
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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.
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.
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 
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