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8-Family Apartment Building
For Sale
$2,650,000

344 21st Street, Brooklyn, NY 11215

Business Opportunity, Brooklyn, NY

Property SizeContact for details
Lot Size0.06 Acres
Days on Market50

Property Features for 344 21st Street

General Information

Property type Commercial Sale
Property subtype Other
Zoning description Multi-Family
Bathrooms 8
Full bathrooms 8
Rooms Bathroom 7, Bathroom 8, Bathroom 6, Bathroom 1, Bathroom 2, Bathroom 5, Bathroom 4, Bathroom 3
Subdivision Sunset Park
View City
Standard status Active
Lot size 0.06 Acres

Taxes and HOA fees

Tax Year 2025
Tax Annual Amount 18174

Utilities

Heating system Natural Gas, Steam
Water source Public

Building Details

Year built 1931
Floors in Building 4
Flooring type Hardwood, Laminate
Building materials Masonite
Roof type Flat
Listing Agency: EMPIRE STATE REALTY GROUP
Listed By: Aldo Iemma · License #10311208950
Added: Aug 7 Changed: Sep 13 Last Checked: Sep 25 at 7:06AM
MLS# 11925007

Copyright © 2026 My State MLS. 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 apartment building, constructed in 1931, contains six rent-stabilized apartments and two free-market apartments. Each unit is configured with two bedrooms, a living room, dining room, kitchen, and full bathroom. The property includes hardwood and laminate flooring, natural gas and steam heating, and a full basement with Bilco doors.

Recent and notable building work includes a 4-year-old flat roof, new boiler, updated electrical system, double-pane windows, an Energy Star furnace and water heater, and a programmable thermostat. The property occupies approximately 0.0574 acres in Brooklyn’s South Park neighborhood, near schools, shopping, restaurants, parks, and public transportation. Public water serves the building, and its location is identified by the address 344 21st Street, Brooklyn, NY 11215.

Key Highlights

  • 8‑family apartment building with six rent‑stabilized and two free‑market apartments
  • Each apartment includes two bedrooms, living room, dining room, kitchen, and full bathroom
  • 4‑year‑old flat roof, new boiler, and updated electrical system

Property Analytics

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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
Check the figures for this property Cap Rate, Value Estimation, Potential NOI and more
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Market

Vacancy Rate% for Multifamily in Northeast region

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

What type of property is this?
Apartment building - Multifamily asset combining rent-stabilized and free-market apartments with updated building systems and basement storage.
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 apartment building with six rent‑stabilized and two free‑market apartments; Each apartment includes two bedrooms, living room, dining room, kitchen, and full bathroom; 4‑year‑old flat roof, new boiler, and updated electrical system
More about this property
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