Skip to Content
👀 See it — Love it — Tour it with CityRealty!
My Inquiries
✨Don’t just browse - start exploring!✨

Turn Favorites
into Tours!

Found a listing you love?
Submit a “Book a Tour” inquiry!

Our team will arrange a private tour for any apartment or building in New York City.
Perfectly tailored to your schedule.

  • Apartments
  • Overview & Photos
  • Maps
  • Ratings & Insider Info
  • Building Specialists
  • Floorplans
  • Sales Data & Comps
  • Similar Buildings
351 Union Street
New Development
Last updated on May 12, 2026

351 Union Street

Sophisticated triplex condominium spanning 2,124 square feet with townhouse-scale privacy and contemporary finishes. Located on a tree-lined Carroll Gardens block near vibrant dining and shopping.

351 Union Street Location Map
Unit #
Beds
Baths
Size
Price / Ft2
Price
Listed on
Days on Market
Unit #
Beds
Baths
Size
Closing Price
Price / Ft2
Asking Price
Sold on
View Full Sales History

Overview of 351 Union Street

351 Union Street is a distinctive triplex condominium located in the heart of Carroll Gardens, offering the scale and privacy of townhouse living. The residence spans 2,124 square feet and features three bedrooms, two full bathrooms, and two powder rooms. The design emphasizes a contemporary aesthetic with refined finishes, including wide-plank hardwood flooring and bespoke walnut millwork, creating a warm and inviting atmosphere.

The open-concept Porcelanosa kitchen is a highlight, showcasing walnut and lacquer cabinetry, quartz countertops, and premium appliances such as a Bertazzoni range and Liebherr refrigerator. The parlor level boasts soaring 11-foot ceilings and floor-to-ceiling windows that flood the space with natural light, seamlessly connecting the indoor living areas to a private terrace, enhancing the indoor-outdoor living experience.

All bedrooms are situated on the garden level, ensuring a tranquil environment. The primary suite features a spa-inspired bathroom with a glass-enclosed rainfall shower and double vanity, while the additional bedrooms share a well-appointed full bath. The finished cellar level provides ample recreation space, ideal for a media room or gym, along with a laundry room and storage options.

Set on a picturesque, tree-lined block surrounded by classic brownstones, 351 Union Street is conveniently located near the vibrant dining and shopping scenes of Smith and Court Streets. With Carroll Park and subway access just moments away, this residence combines the charm of townhouse living with the conveniences of condominium ownership.

Doorman
None
Type
Condo
Year Built
1920
Converted: 2019
Apartments
Floors
3
Neighborhood
Min Down
20%

Amenities

  • Pre War
  • Central AC
  • Video Intercom
  • Terraces / Balconies
{ "key" : "AIzaSyDquABdSLhathmwfnoTcYwA1BY6coZZyZk", "lat": 40.68188, "lng": -73.99399, "marker": { "icon": "https://img3.cityrealty.com/neo/i/w/amenities/base.png" } }

  1. F
  2. G
at Smith and President 0.12 miles

Sales Summary

Show:

Pricing Comparison of Similar Buildings

View Detailed Comparison
720 West End Avenue
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.
Learn More