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291 Sixth Avenue
New Development Now on the market
Last updated on Mar 17, 2026

The 291,
291 Sixth Avenue

Gut-renovated 4-unit boutique condominium blending Park Slope brownstone charm with modern luxury finishes. Private outdoor spaces, panoramic roof deck views, and prime location near P.S. 321 and major transit lines.

291 Sixth Avenue Location Map
Unit #
Beds
Baths
Size
Price / Ft2
Price
Listed on
Days on Market

Overview of The 291 at 291 Sixth Avenue

The 291 is a gut-renovated, 4-unit condominium building located at 291 6th Avenue in the heart of Park Slope, Brooklyn. Developed by 291 Sixth LLC, this boutique building was designed to celebrate its brownstone identity while offering modern luxury amenities. The building maintains the neighborhood's historic character through its thoughtful integration into the tree lined streetscape, positioning residents just one block from the dining, shopping, and transportation options along 5th and 7th Avenues.

The residences feature a mix of layouts including traditional two-bedroom, two-bathroom units and duplex configurations, all designed to maximize space efficiency. Common luxury features throughout the building include wide plank engineered hardwood floors, stone countertops and backsplashes, individually controlled HVAC systems, large panel Pella windows, and in-unit washer dryers. All bathrooms are equipped with heated flooring, and kitchens come appointed with drawer microwaves and double door refrigerators.

A standout feature of The 291 is the private outdoor space available to residents. Units include either private backyards flanked by mature trees or expansive private roof decks. The building's roof deck offers panoramic views stretching from Prospect Park to the Statue of Liberty, providing residents with a unique vantage point of Brooklyn and Manhattan. The private backyards serve as tranquil sanctuaries, creating an unexpected retreat in the urban environment.

The building's location places residents within walking distance of the highly regarded P.S. 321, located just half a block away, making it particularly attractive to families. Multiple subway lines are easily accessible from the central Park Slope location, providing convenient transportation throughout Brooklyn and Manhattan. The building welcomes pets with board approval, and all units benefit from modern security features including remote video intercom systems.

Doorman
None
Type
Condo
Year Built
1920
Converted: 2025
Apartments
Floors
4
Neighborhood
Min Down
20%

Amenities

  • Brownstone
  • Pre War
  • Central AC
  • Intercom
  • Video Intercom
  • Rooftop Terrace
  • In-Unit Washer/Dryer
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  1. R
at 4th Ave 0.37 miles
  1. F
at 7th Ave and 9th 0.43 miles
  1. G
at 4th Ave 0.46 miles
  1. 2
  2. 3
at Flatbush Ave and Plaza Street East 0.50 miles
  1. B
  2. Q
at Flatbush Ave and Park Pl 0.50 miles

Pros & Cons

  • Prime Park Slope location one block from 5th and 7th Avenue dining and shopping
  • Roof deck with panoramic views from Prospect Park to Statue of Liberty
  • In-unit washer dryer in all residences
  • Private outdoor spaces including backyards and roof decks
  • Heated flooring in all bathrooms
  • Half block from highly regarded P.S. 321 elementary school
  • Pet friendly building with board approval
  • Individual HVAC control in each unit
  • Stone countertops and backsplashes throughout kitchens
  • Wide plank engineered hardwood floors
  • Large panel Pella windows for natural light
  • Remote video intercom system
  • Multiple subway lines accessible from central location
  • Private backyards flanked by mature trees
  • High ceilings on parlor level
  • Small 4 unit building with limited shared amenities

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