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Eight-Family Brown Brick Walk-Up
For Sale
$2,650,000

344 21st Street, Brooklyn, NY 11215

MULTI_FAMILY - Brooklyn, NY

Lot Size0.06 Acres
Days on Market12

Property Features for 344 21st Street

General Information

Property type Residential Multi Family
Property subtype Other
Bedrooms 16
Bathrooms 8
Full bathrooms 8
Rooms Bedroom 9, Bathroom 6, Bedroom 4, Bedroom 16, Bedroom 5, Bathroom 8, Bedroom 1, Bedroom 3, Bedroom 7, Bedroom 10, Bathroom 7, Bedroom 8, Bathroom 3, Bathroom 5, Bedroom 15, Bedroom 13, Bedroom 6, Bathroom 1, Bedroom 2, Bedroom 14, Bedroom 12, Bedroom 11, Bathroom 2, Bathroom 4
Interior features Terrace
Basement Full
Subdivision Greenwood Heights
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: Jul 31 Last Checked: Aug 1 at 2:06AM
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.

A well-maintained eight-family brown brick walk-up featuring a full basement with Bilco doors. The building includes six rent-stabilized apartments and two free-market apartments, each with two bedrooms, a living room, dining room, kitchen, and a full bath. Interior finishes include hardwood flooring and a terrace feature. The flat roof is identified as part of recent building work.

Built in the 1930s and set on a 0.0574-acre lot, the property includes a package of improvements that support day-to-day operations, including a roof that is approximately four years old, a new boiler, an updated electrical system, double-pane windows, and an Energy Star furnace and water heater. Additional features include a programmable thermostat.

Located in the South Park Slope/Greenwood Heights area, the property is positioned for convenient access to schools, shopping, restaurants, parks, and public transportation.

Key Highlights

  • 0.0574‑acre lot for this eight‑family brown brick walk‑up
  • Six rent‑stabilized apartments plus two free‑market apartments
  • Built in the 1930s with a flat roof

Property Analytics

Current Use

Apartment buildings

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
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Frequently Asked Questions

What type of property is this?
Apartment building - Brown brick walk-up with terrace and hardwood floors, including six rent-stabilized and two free-market two-bedroom 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: 0.0574‑acre lot for this eight‑family brown brick walk‑up; Six rent‑stabilized apartments plus two free‑market apartments; Built in the 1930s with a flat roof
More about this property
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