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345 Union Avenue
Last updated on Nov 27, 2025

345 Union Avenue

345 Union is a post-war condo building in Brooklyn's Williamsburg finished in 2005. The 5-story building at 345 Union Avenue contains 10 units.

345 Union Avenue Location Map
Unit #
Beds
Baths
Size
Closing Price
Price / Ft2
Asking Price
Sold on
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Overview of 345 Union Avenue

345 Union Avenue is a post-war condominium building located in Brooklyn's Williamsburg neighborhood, completed in 2005. This boutique building features 10 units spread across 5 stories, offering a blend of modern living and convenience. Residents benefit from amenities such as keyless entry, video door monitoring, and a part-time super, enhancing security and accessibility.

The apartments at 345 Union Avenue are characterized by their spacious layouts and abundant natural light, thanks to floor-to-ceiling windows. Many units include private outdoor spaces, such as balconies and roof cabanas, providing residents with stunning views of Manhattan. Common features across the apartments include hardwood floors, central AC and heat, and in-unit washers and dryers, catering to contemporary urban lifestyles.

Notably, the building is well-positioned for transportation, with a short walk to the L, G, J, M, and Z train lines, making commuting easy. Additionally, the property benefits from a tax abatement until 2031, making it an attractive investment opportunity. The vibrant Williamsburg area offers a plethora of trendy boutiques, restaurants, and entertainment options, further enhancing the appeal of living at 345 Union Avenue.

Doorman
None
Type
Condo
Year Built
2005
Apartments
Floors
5
Neighborhood
Min Down
20%

Amenities

  • Post War
  • Video Intercom
  • Elevator
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  1. G
  2. L
at Union Ave and Metropolitan Ave 0.15 miles
  1. J
  2. M
at Hooper and Broadway 0.28 miles
  1. Z
at Havemeyer and Broadway 0.37 miles

Sales Summary

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Sales History by Apartment Size

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Pricing Comparison of Similar Buildings

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between Gold Street & Flatbush Avenue Extension
Downtown Brooklyn
Tax-abated condos with panoramic NYC views Studio - 3-bed condos starting from $1M Immediate Occupancy | Call to schedule your tour
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