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Eight-Family Brick Apartment Building
For Sale
$2,650,000

344 21st Street, Brooklyn, NY 11215

Residential, Brooklyn, NY

Property SizeContact for details
Lot Size0.06 Acres
Days on Market49

Property Features for 344 21st Street

General Information

Property type Residential Multi Family
Property subtype Other
Bedrooms 16
Bathrooms 8
Full bathrooms 8
Rooms Bathroom 5, Bathroom 1, Bedroom 12, Bedroom 9, Bedroom 8, Bedroom 10, Bedroom 13, Bedroom 4, Bedroom 15, Bedroom 14, Bedroom 7, Bedroom 11, Bathroom 7, Bedroom 16, Bedroom 1, Bedroom 2, Bathroom 8, Bathroom 2, Bathroom 3, Bathroom 6, Bedroom 3, Bedroom 6, Bathroom 4, Bedroom 5
Interior features Terrace
Basement Full
Subdivision Park Slope
Standard status Active
Lot size 0.06 Acres

Taxes and HOA fees

Tax Annual Amount 18174

Building Details

Floors in Building 4
Number of units 8
Flooring type Hardwood
Building materials Brick
Roof type Flat
Listing Agency: Empire State Realty Group
Listed By: Waqas Azhar
Added: Jul 21 Changed: Sep 6 Last Checked: Sep 7 at 8:06AM
MLS# 503201

Copyright © 2026 Brooklyn New York Multiple Listing Service. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

Investment Insights

Based on property information with market context.

This 8-family brick walk-up was built in the 1930s and includes six rent-stabilized apartments alongside two free-market units. Each apartment offers two bedrooms, a living room, dining room, kitchen, and full bathroom. The fourth-floor apartment includes city views, while the building also provides a full basement with Bilco doors and a terrace.

Recent and updated building systems include a 4-year-old roof, new boiler, updated electrical service, double-pane windows, an Energy Star furnace and water heater, and a programmable thermostat. The property is located near schools, shopping, restaurants, parks, and public transportation in Brooklyn’s South Park neighborhood.

Key Highlights

  • 8‑family brick walk‑up built in the 1930s
  • Unit mix includes 6 rent‑stabilized and 2 free‑market apartments
  • Each apartment has 2 bedrooms, living room, dining room, kitchen, and full bathroom

Property Analytics

Current Use

1031 exchange properties

Suggested Use

Top Pick Law Firm Real Estate Agency Parking Lot & Garage Catering Service Nursing Home Accounting Firm

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Lease Details

8
Residential units

Location Intelligence

Trade Area within ½ mile

3,630
Businesses Nearby

Demographics for 11215, NY

67,493
Population
32,197
Households
2.1
Avg Household Size
37
Median Age
80%
College-Educated
96%
High-School Grad
2.2 sq mi
ZIP Area
30,679
Density / Sq Mi
$180,773
Median Household Income
$99,151
Median Earnings
$2,803
Median Rent
$1,674,700
Median Home Value

Market

Vacancy Rate% for Multifamily in Northeast region

4% 2022
4.6% 2023
5.3% 2024
5.6% 2025
Rey
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Frequently Asked Questions

What type of property is this?
Apartment building - Well-maintained multifamily property with a balanced mix of rent-stabilized and free-market apartments.
Where is this apartment building located?
The property is located at 344 21st Street Brooklyn, NY.
What is the asking price?
The asking price for this property is $2,650,000.
What are key features of this property?
This property features: 8‑family brick walk‑up built in the 1930s; Unit mix includes 6 rent‑stabilized and 2 free‑market apartments; Each apartment has 2 bedrooms, living room, dining room, kitchen, and full bathroom
More about this property
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