Duplex with Finished
2171 W 9th Street, Brooklyn, NY 11223
For Sale
New
$899,000
Residential, Colonial, Brooklyn, NY
Property Size1,440 SF
Lot Size0.03 Acres
Price / SF$624.31
Days on Market2
Property Features for 2171 W 9th Street
General Information
Property type
Property subtype
Zoning
Bedrooms
Bathrooms
Full bathrooms
Rooms
Patio and Porch features
Interior features
Basement
Subdivision
Standard status
Size
Lot size
Taxes and HOA fees
Tax Annual Amount
Amenities
backyard
Building Details
Year built
Floors in Building
Flooring type
Building materials
Roof type
Architectural style
Buildings
Listing Agency:
RE/MAX Elite
Listed By:
Robert Coppolino · License #40CD1021797
(718) 690-3900
Added: Nov 6
Last Checked: Nov 7 at 5:06AM
MLS# 505869
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.
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Investment Insights
Based on property information with market context.
This 1,440-square-foot duplex was built in 1920 and contains a one-bedroom apartment on each of its two floors. The finished basement has a separate entrance, adding distinct usable space. A backyard and patio provide outdoor area, and the home includes a washer, dryer, refrigerator, and stove. The property occupies 0.0341 acres and is zoned R5.
Key Highlights
- Two one‑bedroom apartments, one on each floor
- 1,440 square feet of building area on a 0.0341‑acre lot
- Finished basement with a separate entrance
Financial Insights
Estimated NOI and Cap Rate
NOI / Yr
$50,431
Cap Rate
5.61%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$1,008,620
$1.0M
Cap Rate 7%
$720,443
$720.4K
Cap Rate 9%
$560,344
$560.3K
Market Conditions
NOI Build-Up for 1,440 SF
Gross rent
$73.4K $51.00/SF
− Vacancy
−$1.4K −$0.97/SF
EGI
$72.0K $50.03/SF
− OpEx
−$21.6K −$15.01/SF
NOI
$50.4K $35.02/SF
Area
Brooklyn, NY
Vacancy
1.90%
Lease Rate
$51.00 /SF/Yr
Expense Ratio
30.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$1,008,620
Cap Rate 7%
$720,443
Cap Rate 9%
$560,344
Alternative Uses
Best Use
Multifamily LT 5
$720.4K
$630.4K – $840.5K
NOI $50,431 @ 7.0% cap · market cap 5.61%
Second Best
Apartment 5plus
$628.0K
$549.5K – $732.7K
NOI $43,962 @ 7.0% cap · market cap 4.89%
Theoretical Best
Specialty Retail
$1.19M
$1.04M – $1.39M
NOI $83,462 @ 7.0% cap · market cap 9.28%
Zoning and permitted uses should be independently verified with authorities.
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Open Analytics
Lease Details
2
Residential units
Location Intelligence
Trade Area within ½ mile
2,760
Businesses Nearby
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Business Placement
Demographics for 11223, NY
83,519
Population
28,857
Households
2.9
Avg Household Size
37
Median Age
34%
College-Educated
78%
High-School Grad
2.1 sq mi
ZIP Area
39,771
Density / Sq Mi
$63,950
Median Household Income
$40,592
Median Earnings
$1,653
Median Rent
$1,063,200
Median Home Value
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Market
Average Price Trend$/SF for Duplexes in Brooklyn, NY
Properties on Market for Duplexes in Brooklyn
Vacancy Rate% for Multifamily in Northeast region
Frequently Asked Questions
What type of property is this?
Duplex - Two one-bedroom apartments sit above additional finished space with its own entrance.
Where is this duplex located?
The property is located at 2171 W 9th Street Brooklyn, NY.
What is the asking price?
The asking price for this property is $899,000.
What are key features of this property?
This property features: Two one‑bedroom apartments, one on each floor; 1,440 square feet of building area on a 0.0341‑acre lot; Finished basement with a separate entrance
