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8-Unit Brick Apartment Building

344 21st Street, Brooklyn, NY 11215

For Sale
$2,650,000

Commercial Sale, Brooklyn, NY

Property SizeContact for details
Lot Size0.06 Acres
Days on Market54

Property Features for 344 21st Street

General Information

Property type Commercial Sale
Property subtype Other
Zoning R6B
Rooms Basement
Basement Full
Elementary school district Brooklyn 15
Middle school district Brooklyn 15
High school district Brooklyn 15
Standard status Active
APN 00898-0034
Lot size 0.06 Acres

Additional Details

Tenant in Place Yes

Taxes and HOA fees

Tax Year 2026
Tax Annual Amount 18264

Utilities

Sewer type Public Sewer
Heating system Radiant
Cooling system Wall/Window Unit(s), Window Unit(s)
Water source Public

Building Details

Year built 1931
Floors in Building 4
Number of units 8
Building materials Brick
Buildings 1
Listing Agency: Empire State Realty Group NY
Listed By: Waqas Azhar
Added: Sep 22 Changed: Oct 29 Last Checked: Nov 14 at 12:06AM
MLS# 1054041

Copyright © 2026 OneKey MLS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

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Investment Insights

Based on property information with market context.

This 8-unit apartment building was constructed in 1931 with brick construction and includes six rent-stabilized apartments and two free-market apartments. Each residence contains two bedrooms, a living room, dining area, kitchen, and full bathroom. The fourth-floor unit has city views. Building improvements 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. A full basement with Bilco doors provides additional building space.

The property is located in Brooklyn’s South Park neighborhood near schools, shopping, restaurants, parks, and public transportation. It sits on a 0.0575-acre lot and is served by public water and public sewer. R6B zoning applies, with radiant heating and window or wall/window unit cooling.

Key Highlights

  • 8‑family apartment building with six rent‑stabilized and two free‑market apartments
  • Each unit includes two bedrooms, living room, dining room, kitchen, and full bath
  • 1931 construction on a 0.0575‑acre lot with R6B zoning

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

Average Price Trend$/SF for Apartment buildings in Brooklyn, NY

$512 Jul
$494 Aug
$498 Sep
$476 Oct

Properties on Market for Apartment buildings in Brooklyn

Jul
Aug
Sep
Oct

Vacancy Rate% for Multifamily in Northeast region

4% 2022
4.6% 2023
5.3% 2024
5.6% 2025

Frequently Asked Questions

What type of property is this?
Apartment building - Eight apartments offer two-bedroom layouts with public water, public sewer, and a full basement.
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 unit includes two bedrooms, living room, dining room, kitchen, and full bath; 1931 construction on a 0.0575‑acre lot with R6B zoning
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