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Waterfront Duplex
For Sale
$800,000

903 Howard Avenue, Mamaroneck, NY 10543

Two residences each provide a two-bedroom, one-bath layout, with a patio beside a Mamaroneck River channel.

Property Size1,792 SF
Price / SF$446.43
Days on Market186

Property Features for 903 Howard Avenue

General Information

Standard status Active
Size 1,792 SF
Property subtype Residential Income

Units

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

Additional Details

Public Transit Yes

Taxes and HOA fees

Annual Taxes $17,800

Amenities

private backyard patio
Ceiling Fan(s)

Building Details

Building Size 1,792 SF
Year Built 1932
Buildings 1
Units 2
Listing Agency: Gillian Stewart Real Estate
Listed By: Gillian Stewart
Source: Gillianstewart
Added: Apr 23 Changed: Oct 23 Last Checked: Oct 23 at 5:54PM

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 Gillian Stewart Real Estate

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Investment Insights

Based on property information with market context.

This 1,792-square-foot duplex, built in 1932, contains two separate residences, each with two bedrooms and one bathroom. The first-floor home has an updated eat-in kitchen with quartz counters and stainless steel appliances. Upstairs, the kitchen features granite counters and stainless steel appliances. A backyard patio faces a channel of the Mamaroneck River, and the property occupies a corner lot.

Harbor Island Park, with beaches, waterfront trails, and open green space, is minutes away. Restaurants, cafes, shops, and parks are also nearby, and Metro-North Railroad provides a connection for travel to New York City.

Key Highlights

  • Two residences, each with 2 bedrooms and 1 bathroom
  • 1,792‑square‑foot duplex built in 1932
  • First‑floor kitchen updated with quartz countertops and stainless steel appliances

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr
$34,904
Cap Rate
4.36%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$698,080 $698.1K
Cap Rate 7%
$498,629 $498.6K
Cap Rate 9%
$387,822 $387.8K
Market Conditions
NOI Build-Up for 1,792 SF
Gross rent
$53.3K $29.76/SF
− Vacancy
−$3.5K −$1.93/SF
EGI
$49.9K $27.83/SF
− OpEx
−$15.0K −$8.35/SF
NOI
$34.9K $19.48/SF
Area
Westchester County, NY
Vacancy
6.50%
Lease Rate
$29.76 /SF/Yr
Expense Ratio
30.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$698,080
Cap Rate 7%
$498,629
Cap Rate 9%
$387,822

Alternative Uses

Best Use
Multifamily LT 5
$498.6K
$436.3K – $581.7K (±1% cap)
NOI $34,904 @ 7.0% cap · market cap 4.36%
Second Best
Apartment 5plus
$439.1K
$384.2K – $512.3K (±1% cap)
NOI $30,736 @ 7.0% cap · market cap 3.84%
Theoretical Best
Retail
$541.3K
$473.6K – $631.5K (±1% cap)
NOI $37,891 @ 7.0% cap · market cap 4.74%
Zoning and permitted uses should be independently verified with authorities. How Realmo checks its estimates

Property Analytics

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Lease Details

2
Residential units

Location Intelligence

Trade Area within ½ mile

1,495
Businesses Nearby

Demographics for 10543, NY

21,296
Population
8,141
Households
2.6
Avg Household Size
41
Median Age
57%
College-Educated
89%
High-School Grad
4.3 sq mi
ZIP Area
4,953
Density / Sq Mi
$128,418
Median Household Income
$69,176
Median Earnings
$2,030
Median Rent
$710,000
Median Home Value
Check the figures for this property Cap Rate, Value Estimation, Potential NOI and more
View Realmo Analytics

Market

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 residences each provide a two-bedroom, one-bath layout, with a patio beside a Mamaroneck River channel.
Where is this duplex located?
The property is located at 903 Howard Avenue Mamaroneck, NY.
What is the asking price?
The asking price for this property is $800,000.
What are key features of this property?
This property features: Two residences, each with 2 bedrooms and 1 bathroom; 1,792‑square‑foot duplex built in 1932; First‑floor kitchen updated with quartz countertops and stainless steel appliances
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