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Brick Duplex with Finished Basement

509 East 91st Street, Brooklyn, NY 11236

For Sale
New
$1,199,000

Two apartments feature open living and dining areas, kitchens, and separate bedroom and bath counts.

Property Size2,360 SF
Lot Size0.06 Acres
Price / SF$508.05
Days on Market4

Property Features for 509 East 91st Street

General Information

Standard status Active
Size 2,360 SF
Lot size 0.06 Acres
Property subtype Multi Family

Units

Unit Mix 1 x 3BR/1BA, 1 x 2BR/1BA
Multifamily Units 2

Additional Details

Public Transit Yes

Taxes and HOA fees

Annual Taxes $7,142

Amenities

garage
garden area

Building Details

Building Size 2,360 SF
Year Built 1920
Buildings 1
Construction brick
Listing Agency: Excell Choice Realty
Listed By: Kwesi Cunningham · License NY #10401263628
Source: Penrealty
Added: Nov 6 Changed: Nov 8 Last Checked: Nov 8 at 6:30AM

Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of Excell Choice Realty

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Investment Insights

Based on property information with market context.

This 1920 brick duplex contains two apartments: a three-bedroom, one-bath unit above a two-bedroom, one-bath unit. Both have open living and dining areas with kitchens, along with interior stairs. A finished basement adds recreational space, a bathroom, utility room, closet storage, high ceilings, and large windows; it has a separate entrance. The property also includes a driveway, garage, and garden area. The lot measures 25 by 100 feet, and the building is 20.5 feet wide and 59 feet deep.

The property is in Brooklyn’s Canarsie neighborhood. Walk, transit, and bike scores are 73, 84, and 56, respectively. Shopping, restaurants, and transportation are nearby.

Key Highlights

  • Two apartments: three bedrooms and one bath above two bedrooms and one bath
  • Finished basement with separate entrance, recreational area, bathroom, utility room, closets, high ceilings, and large windows
  • 25‑by‑100‑foot lot; building is 20.5 feet wide and 59 feet deep

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr
$82,651
Cap Rate
6.89%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$1,653,020 $1.7M
Cap Rate 7%
$1,180,729 $1.2M
Cap Rate 9%
$918,344 $918.3K
Market Conditions
NOI Build-Up for 2,360 SF
Gross rent
$120.4K $51.00/SF
− Vacancy
−$2.3K −$0.97/SF
EGI
$118.1K $50.03/SF
− OpEx
−$35.4K −$15.01/SF
NOI
$82.7K $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%
$1,653,020
Cap Rate 7%
$1,180,729
Cap Rate 9%
$918,344

Alternative Uses

Best Use
Multifamily LT 5
$1.18M
$1.03M – $1.38M (±1% cap)
NOI $82,651 @ 7.0% cap · market cap 6.89%
Second Best
Apartment 5plus
$1.03M
$900.6K – $1.20M (±1% cap)
NOI $72,048 @ 7.0% cap · market cap 6.01%
Theoretical Best
Specialty Retail
$1.95M
$1.71M – $2.28M (±1% cap)
NOI $136,786 @ 7.0% cap · market cap 11.41%
Zoning and permitted uses should be independently verified with authorities. How Realmo checks its estimates

Property Analytics

Who owns this building? See the owner, sales and loan history
Open Analytics

Lease Details

2
Residential units

Location Intelligence

Trade Area within ½ mile

2,989
Businesses Nearby

Demographics for 11236, NY

100,687
Population
37,002
Households
2.7
Avg Household Size
40
Median Age
28%
College-Educated
88%
High-School Grad
3.6 sq mi
ZIP Area
27,969
Density / Sq Mi
$82,813
Median Household Income
$50,244
Median Earnings
$1,637
Median Rent
$710,300
Median Home Value
Check the figures for this property Cap Rate, Value Estimation, Potential NOI and more
View Realmo Analytics

Market

Average Price Trend$/SF for Duplexes in Brooklyn, NY

$784 Jul
$771 Aug
$781 Sep
$752 Oct

Properties on Market for Duplexes 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?
Duplex - Two apartments feature open living and dining areas, kitchens, and separate bedroom and bath counts.
Where is this duplex located?
The property is located at 509 East 91st Street Brooklyn, NY.
What is the asking price?
The asking price for this property is $1,199,000.
What are key features of this property?
This property features: Two apartments: three bedrooms and one bath above two bedrooms and one bath; Finished basement with separate entrance, recreational area, bathroom, utility room, closets, high ceilings, and large windows; 25‑by‑100‑foot lot; building is 20.5 feet wide and 59 feet deep
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