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There are 2 apartments for sale at 259 21st Street (last updated on Apr 17, 2024)

St. John's Condominium, 259 21st Street

Condo located in South Slope - Greenwood Heights, between Fifth Avenue & Sixth Avenue

Description of St. John's Condominium at 259 21st Street

Situated in the vibrant South Slope - Greenwood Heights neighborhood, the highly sought-after Saint John's Condominium comprises 38 units within a meticulously renovated and converted historic building. Originally constructed as a grammar school in 1904, the property underwent a full transformation into loft condominiums in 2006. This pet-friendly residence boasts amenities such as a spacious elevator, bike room, and a dedicated live-in superintendent. Notably, it features an expansive 5,000-square-foot communal rooftop deck, offering panoramic views of the harbor, Statue of Liberty, and city skyline.


The architectural uniqueness of the building adds to its charm, set on a tranquil, tree-lined street. Conveniently located near the vibrant commercial strips of 5th and 6th Avenues, including Tambour, Sea Witch, Gasworks NYC clay studio, Under Minerva Gallery, Battle Hill Tavern, Luigi’s, and Hey Monday Coffee Shop. Proximity to R and F/G subways, B63 bus, numerous schools, daycare options, the playground at 6th Avenue and 19th Street, and a short walk to Prospect Park makes it an ideal Brooklyn living experience.

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Building Facts

  • Year Built: 1904
    Converted Year: 2006
    Building Type: Condo
    Neighborhood: South Slope - Greenwood Heights (Brooklyn)
    Minimum Down: 20%
  • Total Apartments: 38 38
    Total Floors: 5
    Pets: Allowed
    Total Floorplans:

Apartment Pricing Stats

Avg. Price / ft2

Building Amenities

  • Pre War
  • Garden
  • Intercom
  • Rooftop Terrace
  • Washer/Dryer in building
  • Elevator
  • Bike Room
  • Live-In Superintendent

Apartments for Sale at 259 21st Street (2) View history of all units

Available Apts
$950K - $1.549M
Price Range
Avg. Price / ft2
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  1. R
at 4th Ave 0.30 miles

Closing History - Last 10 sales

Units Sold
$725K - $1.3M
Price Range
Avg. Price / ft2

Pricing Comparison of Similar Buildings

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Alternate Addresses

  • 259-275 21 Street
  • 261 21st Street
  • 263 21st Street
  • 265 21st Street
  • 267 21st Street
  • 269 21st Street
  • 271 21st Street
  • 273 21st Street
  • 275 21st Street
  • St. Johns Condominium
  • The Saint Johns Condominium
Front & York
at York Street corner of Front Street
Manhattan views and Brooklyn character, 1 - 4-bed condos from $995K, 150,000-sf of indoor and outdoor amenities.
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Front & York Building Front & York  - Interior View - Living Room 2 Front & York  - Interior View - Living Room 2 Front & York  - Interior View - Kitchen Front & York  - Interior View - Rooftop Terrace
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