Closed For Sale • Condo

$915,000

$832 per sq ft

259 21ST Street #BA

Park Slope, Brooklyn

St. John's Condominium

MLS® #RLS10070378

Listing by The Corcoran Group

1

Bedroom

1

Bath

1,100

Sq. Ft.

2006

Year Built

Quick Summary

Bedrooms 1

Bathrooms 1

Living Area 1,100 sq ft

Year Built 2006

Ownership Condo

HOA/Common Charges $295.27/mo

Property Taxes $1,555.92/yr

Neighborhood Park Slope

Floor 1 of 5

Property Highlights

• Outdoor Space: Building Terrace
• Style: Loft architecture

Property Details

Type Condo

Ownership Condominium

Total Rooms 3

Baths 1 Full

Floor 1 of 5

Pets Yes

Cross Street 5th Avenue & 6th Avenue

Year Built 2006

Living Area 1,100 sq ft

Architectural Style Loft

Parcel # 00891-1001

Description

Welcome to the coveted Saint Johns Condominium... Apartment BA at 259 21st Street, an 1100 square foot loft style apartment with high ceilings and 159 square feet of private outdoor space. The former St Johns School was built in 1901 and converted to loft condos in 2004. The unit features an open and airy layout with room to design you own style with a bonus of private outdoor space. Currently set-up as a loft studio this very diverse open space can easily be configured to many different layouts to include a bedroom or two. This unit has a private entrance through the side gate for easy entering the apartment from street level and not having to go through the main entrance. The St. Johns Condominium is a pet-friendly building with a live-in super and features an elevator-accessed 5,000 square foot roof deck. From this vantage point you can take in some of the most stunning harbor and city views that Brooklyn has to offer. Situated on a very quiet and friendly tree-lined block with easy street parking and close subway access to the R, F, and G trains all within walking distance. Enjoy some of Brooklyn's finest food and drink, including Greenwood Park, Korzo and Giuseppina's Brick Oven Pizza. You will enjoy walking through Prospect Park, taking the trolley tour through Green-Wood Cemetery and the recently renovated Slope Park playground just blocks away. Assessment of $68.67. Call for a private showing.

Features & Amenities

Interior Features

Building Washer Dryer Install Allowed Common Area

Exterior Features

Building Roof Deck Building Terrace

Building Information

Building St. John's Condominium

Total Units 38

Stories 5

Style Loft

Financial Details

Common Charges $295.27/mo

RE Taxes $1,555.92/yr ($130/mo)

Sale Price $915,000

About Park Slope

View All Park Slope Listings

Park Slope is a well-known Brooklyn neighborhood, recognized for its tree-lined streets and preserved brownstones. Bordering the western edge of Prospect Park, the neighborhood offers convenient access to green space. The real estate market features a mix of historic townhouses, cooperatives, and modern condominiums, within walking distance of the park.

Park Slope Live Market Data

View Neighborhood

Active Listings

90

Median Asking Price

$1.72M

Median $/Sqft

$1,422

Avg Days on Market

N/A

New This Week

7

Price Reduced

16%

Sold (30 Days)

21

Median Sale Price

$1.67M

Live data from RLS at REBNY • Updated 4/7/26, 4:58 PM EST

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Location

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259 21ST Street #BA, Park Slope, Kings County • Near 5th Avenue & 6th Avenue

NYC Zoning • Google Maps • Street View

Floor Plans

Data Sources & Methodology

Listing Data

RLS® at REBNY (Real Estate Board of New York) via Trestle API. Updated in real-time.

Market Data

RLS® at REBNY (Real Estate Board of New York). Live data updated in real-time.

Map & Location

OpenStreetMap contributors via Leaflet. Geocoding via Nominatim.

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MLS® ID: RLS10070378

First Listed: 6/27/2018

Closed: 6/16/2017

Contract Date: 6/16/2017

Listing Courtesy of The Corcoran Group - Lisa Lonuzzi

Listing Contact: (917) 747-2942

Listing information for certain New York City properties provided courtesy of the Real Estate Board of New York's Residential Listing Service (the "RLS"). The information contained in this listing has not been verified by the RLS and should be verified by the consumer. The listing information provided here is for the consumer's personal, non-commercial use. Retransmission, redistribution or copying of this listing information is strictly prohibited except in connection with a consumer's consideration of the purchase and/or sale of an individual property. This listing 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. This advertisement does not suggest that the broker has a listing in this property or properties or that any property is currently available.

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RLS Data display by Keller Williams NYC. Data last updated on 4/7/2026 at 8:58 PM UTC