Last updated on Apr 3, 2026

334 Union Street

Charming Carroll Gardens townhouse blending exposed brick and hardwood floors with modern renovations. Steps from F/G trains, featuring in-unit washer/dryer, outdoor spaces, and pet-friendly living.

Recent Sales (1) $1,265 Avg. price/ft²
All Units in Building (4)

Apt. 3

2 beds

1 bath

759 ft²

$960,000 +3.7%

$1,265

$926,000

Sep 29, 2025

View Full Sales History

Overview of 334 Union Street

334 Union Street is a charming townhouse located in the heart of Carroll Gardens, offering a blend of modern amenities and classic New York City character. The building features tastefully renovated apartments, including a two-bedroom, one-bath condo that boasts an open floor plan, allowing for seamless entertaining. Residents enjoy modern conveniences such as in-unit washer/dryer, air conditioning, and a voice intercom virtual doorman for added security. The apartments are filled with natural light from oversized windows, and many units feature exposed brick, hardwood floors, and ceiling beams that enhance their warmth and character.

The building is ideally situated just steps away from the F and G subway lines, providing easy access to the rest of the city. Nearby, residents can explore a variety of restaurants, shops, and parks, including Carroll Park, making it a vibrant neighborhood for both relaxation and entertainment. Notably, the building includes a water filtration system that effectively removes over 95% of particulate matter, chemicals, and minerals, ensuring high-quality water for its residents.

Apartments at 334 Union Street are designed for comfort and functionality, with features such as quartz countertops, gas ranges, and ample storage space. Many units also include outdoor spaces, such as small terraces or balconies, perfect for enjoying the outdoors. The building's pet policy allows for one well-behaved pet upon approval, making it a welcoming environment for animal lovers. Overall, 334 Union Street offers a peaceful oasis in a bustling neighborhood, ideal for those seeking a blend of urban living and community charm.

Doorman

None

Type

Condo

Year Built

1920

Apartments

4 (view all units)

Floors

Neighborhood

Carroll Gardens (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

Pre War
Garden
In-Unit Washer/Dryer

Area Map StreetView

{ "key" : "AIzaSyDquABdSLhathmwfnoTcYwA1BY6coZZyZk", "lat": 40.68152, "lng": -73.99423, "marker": { "icon": "https://img3.cityrealty.com/neo/i/w/amenities/base.png" } }

at Smith and President 0.09 miles

Sales History

View Full Closing History

Sales Summary

Show:

Pricing Comparison of Similar Buildings

View Detailed Comparison

Editorial Coverage

When, why, and how to get pre-qualified and preapproved for a mortgage Friday, March 14, 2025

50 West 66th Street

between Central Park West & Columbus Avenue

Central Park West

The pinnacle of Upper West Side living. Exceptional condo residences with Central Park views and 50,000 SF of amenities. Early 2025 occupancy | 50% Sold

2 beds starting at $6,595,000
3 beds starting at $6,850,000
4 beds starting at $23,000,000
5 beds starting at $19,950,000
6+ beds starting at $85,000,000

Learn More

Search
NYC Apartments for Sale NYC Apartments for Rent New Development Condos Condo & Co-Ops Rental Buildings Sell Your Apartment
Market Data
Market Reports & Research NYC Real Estate Sales Stats Recent Sales Search NYC Closed Sales CityRealty Indices
Market Insight
Features Top 10 Lists Rental Building Offers Our Magazine 6sqft Carter's View
CityRealty
Promote Yourself on CityRealty Contact Us
My Account
Sign In Sign Up

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!

334 Union Street

Overview of 334 Union Street

Maps &3D Aerial Views

Amenities

Sales History

Sales Summary

Pricing Comparison of Similar Buildings

Editorial Coverage

Search

Market Data

Market Insight

CityRealty

My Account

Turn Favorites
into Tours!

Maps &
3D Aerial Views