259 21st Street Unit BJ, Kings, NY 11215

$1,349,000

Welcome to Unit B-J at 259 21st Street in Brooklyn—a bright and airy two-bedroom, two-bath condominium located in the former St. John’s School, now known as the St. John’s Condominium. Built in 1904 and transformed into stylish residences in 2004, this boutique building blends historic architecture with contemporary design in… Read More one of Brooklyn’s most charming and rapidly growing neighborhoods. As you step into this beautifully appointed home, you’re greeted not by a hallway, but by a private outdoor terrace that stretches the full width of the apartment. It’s an ideal spot to unwind, entertain, or simply enjoy a quiet morning with coffee. Inside, the expansive open-concept living and dining area welcomes you with abundant natural light, high ceilings, and oversized windows—features that reflect the building’s schoolhouse roots and lend an airy, inviting ambiance. The kitchen is fully equipped and ready for a cook of any level. With modern appliances, generous counter space, and thoughtful cabinetry, it functions as both a culinary workspace and a centerpiece for entertaining. The layout of the apartment offers privacy and separation, with the two bedrooms located on opposite ends. The primary suite includes its own en-suite bathroom, while a second full bathroom is conveniently positioned for guests or family use. A private laundry area within the unit adds to the ease of everyday living. The St. John’s Condominium retains much of its original character, evident in the broad hallways and solid construction, but adds modern comforts including elevator access and a live-in superintendent. One of the building’s best-kept secrets is its massive shared roof deck—an expansive space that boasts 360-degree panoramic views across Brooklyn, New York Harbor, and the Manhattan skyline. Located in Greenwood Heights on a peaceful, tree-lined street, the building sits within close reach of bustling 5th and 6th Avenues, where you’ll find local favorites like Sea Witch, Luigi's, Battle Hill and Giuseppina's to name a few. Commuting is a breeze thanks to the nearby R and F/G subway lines and the B63 bus. The home is also zoned for several highly regarded schools, including P.S. 10, Hellenic Classical Charter School, and New Voices School of Academic & Creative Arts, making it a great fit for growing families. Showings are available by appointment only. Don’t miss this rare opportunity to own a piece of Brooklyn history, reimagined for modern living. Read Less

Listing Courtesy of: Frank Tamayo, Brennan Realty Services LLC, 917-568-6525.

Listing Snapshot

Days Online

Last Updated

Jun 12, 2025

Property Type

Apartment

Beds

Full Baths

Square Ft.

50,504

Lot Size

0.41 Acres

Year Built

2006

MLS Number

RLS20026584

30 Days Snapshot Of 11215

$1.69M

+5%

(avg) sold price

+5%

homes sold

123

+19%

(avg) days on market

Snapshot

Area Map

Additional Details

Building

Features: Elevators, Living Area Units: SquareFeet, Rooms Total: 5, Structure Type: MultiFamily

Property

Property Sub Type: Apartment

Taxes

Tax Annual Amount: $9,348, Tax Block: 00891, Tax Lot: 7501

Find The Perfect Home

'VIP' Listing Search

Whenever a listing hits the market that matches your criteria you will be immediately notified.

Join The List

Mortgage Calculator

Selling price

Down payment

Term (years)

Interest rate (%)

Monthly Payment

259 21st Street Unit BJ

'VIP' Listing Search

Schools In The Area

Similar Listings

Find My Dream Home

1. Neighborhoods

2. Home Type

3. Send