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Printed from StreetEasy.com at 03:18 PM, Feb 21 2026

904 Union St. #3A

Located at 904 Union Street 904 Union Street, #3A, Brooklyn, NY Co-op in Park Slope, Brooklyn
This unit is not currently listed on StreetEasy
studio, 1 bath

904 Union Street, 3A

Experience all Grand Army Plaza has to offer with this charming prewar studio in the heart of Park Slope.

Steps from the entrance to Prospect Park and only two flights up, this lovely home offers open living space with extra-high 9.

904 Union Street, 3A

Experience all Grand Army Plaza has to offer with this charming prewar studio in the heart of Park Slope.

Steps from the entrance to Prospect Park and only two flights up, this lovely home offers open living space with extra-high 9.3 ft ceilings, a charming decorative mantle, original hardwood floors in pristine condition, and a full-sized eat-in kitchen with a dishwasher and ample cabinets. The bathroom has a window and a soaking tub.

Also featured are a comfortable and convenient built-in murphy bed, a giant walk-in closet and updated double-glazed windows.

This boutique pre-war co-op building is self-managed and beautifully maintained; it has strong financials and very low common charges. Included are free laundry (easily accessed from the unit’s basement level), dedicated storage for the unit and bicycle storage in the basement, as well as stroller parking in the lobby.

The prime Park Slope location is steps from Prospect Park and Grand Army Plaza, very near the 2/3 and B/Q trains, Brooklyn Public Library and Botanical Gardens, as well as the Park Slope Food Coop and all the conveniences of 7th Avenue.

Pets are considered on a case-by-case basis. Zoned for PS 321


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About the Building

904 Union Street  Brooklyn, NY 11215

Co-op in Park Slope

  • 15 Units
  • 4 Stories
  • 1910 Built

Sales listings: 14 previous
Rentals listings: 11 previous
Documents and Permits: 49 documents

Unit History

Nearby

Transportation

  • 2 3 at Grand Army Plaza

    0.15 miles

  • B Q at 7th Av

    0.31 miles

  • 2 3 at Eastern Parkway-Brooklyn Museum

    0.4 miles

  • 2 3 at Bergen St

    0.57 miles

  • F G at 7th Av

    0.61 miles

View subway lines on Google Maps

Schools

District 15 - Schools zoned for this address:
P.S. 321 William Penn

(0K,01,02,03,04,05,SE)

Disclaimer: School attendance zone boundaries are not guaranteed to be accurate – they are provided by a third party and subject to change. Check with the applicable school district prior to making a decision based on these boundaries.