Four-Family Brick Semi-Detached
6724 21st Avenue Brooklyn, NY 11204
6724 21st Avenue, Brooklyn, NY, 11204
$2,300,000
For Sale
$2,300,000
MULTI_FAMILY - Brooklyn, NY
Property Size3,280 SF
Lot Size0.05 Acres
Price / SF$701.22
Days on Market47
Property Features for 6724 21st Avenue
General Information
- Property type
- Residential Multi Family
- Property subtype
- Other
- Zoning
- R5
- Bedrooms
- 10
- Bathrooms
- 4
- Rooms
- Bathroom 4, Bathroom 1, Bedroom 1, Bedroom 4, Bedroom 6, Bedroom 8, Bedroom 9, Bedroom 3, Bedroom 7, Bedroom 10, Bathroom 2, Bedroom 5, Bedroom 2, Bathroom 3
- Interior features
- Refrigerator, Stove
- Basement
- Finished, Full
- Standard status
- Active
- Size
- 3,280 SF
- Lot size
- 0.05 Acres
Taxes and HOA fees
- Tax Annual Amount
- 15145
Building Details
- Year built
- 1931
- Floors in Building
- 2
- Number of units
- 4
- Flooring type
- Tile
- Building materials
- Brick
- Roof type
- Flat
Listing Agency
Tiger Realty
(917) 708-9966
1484 86th Street, Brooklyn, NY
Listed by
Susana Chen Chong
(917) 708-9966
Added: Jun 1 Checked: Jul 17 at 4:06 am
MLS# 501903
Listing URL
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.
Introducing a well-maintained four-family brick semi-detached building built in 1931. The property is configured as four spacious apartments, with Unit 1F and Unit 1R each offering 2 bedrooms and 1 full bath. Unit 2F and Unit 2R each offer 3 bedrooms and 1 full bath. A fully finished basement provides additional usable space for storage or flexible interior needs. Zoning is listed as R5.
Set on a 22x100 lot, the building size is listed as 22x76. The property includes a private driveway with parking for 2 vehicles. It is described as being located in the heart of Bensonhurst with convenient access to shopping, restaurants, schools, parks, and public transportation.
This property is a practical fit for investors and owner-occupants seeking a multi-unit residential income building with a mix of 2-bedroom and 3-bedroom layouts. The finished basement and off-street parking add functionality for day-to-day operations, while the four distinct apartments support straightforward rental unit management under a single roof.
Set on a 22x100 lot, the building size is listed as 22x76. The property includes a private driveway with parking for 2 vehicles. It is described as being located in the heart of Bensonhurst with convenient access to shopping, restaurants, schools, parks, and public transportation.
This property is a practical fit for investors and owner-occupants seeking a multi-unit residential income building with a mix of 2-bedroom and 3-bedroom layouts. The finished basement and off-street parking add functionality for day-to-day operations, while the four distinct apartments support straightforward rental unit management under a single roof.
Key Highlights
- Four‑family brick semi‑detached building built in 1931
- 22x100 lot with building size 22x76
- Four apartments: 2BR/1BA units (1F, 1R) and 3BR/1BA units (2F, 2R)
Local Financial Insights For Multifamily LT 5
Simulate Cap Rate and NOI
NOI Build-Up
- Vacancy
- income lost from leasable area expected to sit empty during the year — subtracted from gross rent.
- EGI (Effective Gross Income)
- gross rent minus vacancy losses — the realistic income before paying operating costs.
- OpEx (Operating Expenses)
- recurring costs to operate the property (property tax, insurance, utilities, maintenance, management) — excludes financing and capital improvements.
- NOI (Net Operating Income)
- income a property generates after operating costs but before financing and taxes.
| Component | $ | $/SF |
|---|---|---|
| Gross rent | $167.3k | $51.00 |
| − Vacancy | −$3.2k | −$0.97 |
| EGI | $164.1k | $50.03 |
| − OpEx | −$49.2k | −$15.01 |
| NOI | $114.9k | $35.02 |
3,280 SF · lease $51.00/SF/yr · vacancy 1.90% · expense 30.00%
Alternative Uses
Best Use
Multifamily LT 5
$1.64M
$1.44M – $1.91M
NOI $114,871 @ 7.0% cap · market cap 4.99%
Second Best
Apartment 5plus
$1.43M
$1.25M – $1.67M
NOI $100,135 @ 7.0% cap · market cap 4.35%
Theoretical Best
Specialty Retail
$2.72M
$2.38M – $3.17M
NOI $190,109 @ 7.0% cap · market cap 8.27%
Zoning and permitted uses should be independently verified with local authorities.
Property Analytics
Property Profile
Location Intelligence
Current Use by Public Records
Old Style FDNY ...
Tour Operator
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FAQs
What type of property is this?
Quadplex - Well-maintained four-family brick building with fully finished basement and on-site parking for two vehicles.
Where is this quadplex located?
The property is located at 6724 21st Avenue Brooklyn, NY.
What is the asking price?
The asking price for this property is $2,300,000.
What are key features of this property?
This property features: Four‑family brick semi‑detached building built in 1931; 22x100 lot with building size 22x76; Four apartments: 2BR/1BA units (1F, 1R) and 3BR/1BA units (2F, 2R)
