Last updated on Apr 20, 2026

725 Union Street

Distinctive 3,500+ sq ft Park Slope loft with 12-foot ceilings, exposed brick, and industrial-chic charm. Flexible layout features convertible bedrooms, dance studio, chef's kitchen, and sustainable gas-free systems near Prospect Park.

Overview of 725 Union Street

725 Union Street is a distinctive residence located in the heart of Park Slope, offering over 3,500 square feet of versatile living space. This loft condominium features a unique blend of industrial charm and modern design, highlighted by 12-foot ceilings and a flexible layout that includes an upper level one-bedroom, easily convertible to two, and a lower level with a spacious dance studio, dedicated office, and guest room. The property is designed for both residential and potential commercial use, making it an ideal choice for creative professionals or those seeking a sophisticated home environment.

The interior showcases exquisite craftsmanship with red oak hardwood floors, exposed brick walls, and intricate tin ceilings, creating a dramatic yet inviting atmosphere. The chef's kitchen is equipped with rich cherry wood cabinetry and high-end appliances, while the spa-inspired bathroom features marble and stone tiling, an open rainfall shower, and a clawfoot soaking tub. Additional amenities include a dedicated laundry room, a large walk-in closet, and multiple storage options, enhancing the functionality of the space.

Sustainability is a key feature of this gas-free residence, which includes split-system HVAC on both levels and an energy-efficient on-demand hot water system. Located amidst the vibrant culture of Park Slope, residents enjoy proximity to Prospect Park, the Brooklyn Museum, and a variety of shops and eateries along 5th Avenue. This property presents a rare opportunity to shape its next chapter in a neighborhood known for its rich history and creative spirit.

Doorman

None

Type

Condo

Year Built

1920

Apartments

4 (view all units)

Floors

Neighborhood

Park Slope (Brooklyn)

Min Down

20%

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Amenities

Pre War

Area Map StreetView

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at 4th Ave 0.13 miles

at Flatbush Ave 0.41 miles

at Flatbush Ave and Park Pl 0.44 miles

at 4th Ave and Pacific 0.49 miles

Pricing Comparison of Similar Buildings

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Editorial Coverage

Enduring character: NYC homes with authentic exposed brick walls from $275K Tuesday, January 13, 2026

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3 beds starting at $6,455,000
4 beds starting at $9,400,000

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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.

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An equal housing opportunity

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725 Union Street

Overview of 725 Union Street

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