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Semi-Attached All-Brick Two-Family Duplex
For Sale
$1,888,000

6921 11th Avenue, Brooklyn, NY 11228

MULTI_FAMILY - Brooklyn, NY

Property Size2,146 SF
Lot Size0.06 Acres
Price / SF$879.78
Days on Market14

Property Features for 6921 11th Avenue

General Information

Property type Residential Multi Family
Property subtype Other
Zoning R5B
Bedrooms 5
Bathrooms 3
Full bathrooms 2
Rooms Bedroom 1, Bedroom 3, Bathroom 3, Bathroom 2, Bedroom 2, Bathroom 1, Bedroom 4, Bedroom 5
Interior features Refrigerator, Stove
Basement Full, Finished
Subdivision Bensonhurst
Standard status Active
Size 2,146 SF
Lot size 0.06 Acres

Taxes and HOA fees

Tax Annual Amount 5174

Building Details

Year built 1930
Floors in Building 2
Number of units 2
Flooring type Tile, Hardwood
Building materials Brick
Listing Agency: RE/MAX Edge · RE/MAX International
Listed By: Ping Chen
Added: Jul 22 Changed: Jul 31 Last Checked: Aug 4 at 10:06AM
MLS# 503142

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 semi-attached, all-brick two-family duplex sits on a 0.0608-acre lot and measures 20' x 55'. Built in 1930, the property includes two apartments with distinct bedroom counts: the top floor offers a three-bedroom unit, while the first floor offers a two-bedroom unit. Each unit provides over approximately 1,100 square feet of living space.

A fully finished basement adds flexible living or recreation space, with a separate entrance, a family room, and a 3/4 bathroom. The home also features a large backyard and a private garage. Interior finishes include tile and hardwood flooring, and standard kitchen items such as a refrigerator and stove.

The property is zoned R5B and is positioned for commuting convenience, with the B64 bus available along Bay Ridge Avenue and 69th Street. The Fort Hamilton Parkway N Train Station is at 62nd Street, with an entrance at 11th Avenue, providing direct service toward Downtown Brooklyn, Manhattan, and Coney Island. The property will be delivered vacant at closing.

Key Highlights

  • Semi‑attached, all‑brick two‑family duplex, built in 1930
  • Zoned R5B
  • Lot size 0.0608 acres; building measures 20' x 55'

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 $109.4k $51.00
− Vacancy −$2.1k −$0.97
EGI $107.4k $50.03
− OpEx −$32.2k −$15.01
NOI $75.2k $35.02
2,146 SF · lease $51.00/SF/yr · vacancy 1.90% · expense 30.00%

Alternative Uses

Best Use
Multifamily LT 5
$1.07M
$939.5K – $1.25M (±1% cap)
NOI $75,157 @ 7.0% cap · market cap 3.98%
Second Best
Apartment 5plus
$935.9K
$818.9K – $1.09M (±1% cap)
NOI $65,515 @ 7.0% cap · market cap 3.47%
Theoretical Best
Specialty Retail
$1.78M
$1.55M – $2.07M (±1% cap)
NOI $124,382 @ 7.0% cap · market cap 6.59%
Zoning and permitted uses should be independently verified with authorities.

Property Analytics

Current Use

Duplexes

Suggested Use

Top Pick Real Estate Agency Law Firm Parking Lot & Garage Gym & Fitness Center Hotel & Motel Nursing Home

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

Multi-tenant
Tenancy

Location Intelligence

Trade Area within ½ mile

3,167
Businesses Nearby

Demographics for 11228, NY

45,906
Population
16,336
Households
2.8
Avg Household Size
41
Median Age
37%
College-Educated
80%
High-School Grad
1.5 sq mi
ZIP Area
30,604
Density / Sq Mi
$80,737
Median Household Income
$47,062
Median Earnings
$1,828
Median Rent
$1,131,700
Median Home Value

Market

Properties on Market for Duplexes in Brooklyn

Feb
Mar
Apr
May
Jun
Jul

Vacancy Rate% for Multifamily in Northeast region

4% 2022
4.6% 2023
5.3% 2024
5.6% 2025
Rey
Questions? Ask Rey
Realmo’s AI knows this listing — price, zoning, demand, history. Ask anything.

Frequently Asked Questions

What type of property is this?
Duplex - All-brick two-family duplex in R5B zoning with private driveway; delivered vacant at closing.
Where is this duplex located?
The property is located at 6921 11th Avenue Brooklyn, NY.
What is the asking price?
The asking price for this property is $1,888,000.
What are key features of this property?
This property features: Semi‑attached, all‑brick two‑family duplex, built in 1930; Zoned R5B; Lot size 0.0608 acres; building measures 20' x 55'
More about this property
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