Search
Waterfront Duplex with Patio
For Sale
$800,000

903 Howard Avenue, Mamaroneck, NY 10543

Residential Income, Mamaroneck, NY

Property SizeContact for details
Lot Size0.13 Acres
Days on Market146

Property Features for 903 Howard Avenue

General Information

Property type Residential Multi Family
Property subtype Duplex
Bedrooms 4
Bathrooms 2
Full bathrooms 2
Rooms Bedroom 3, Bathroom 2, Basement, Bedroom 2, Bedroom 1, Bedroom 4, Bathroom 1
Interior features Ceiling Fan(s)
Basement Unfinished
Elementary school Mamaroneck Avenue
Middle school Hommocks School
High school Mamaroneck High School
Elementary school district Mamaroneck
Middle school district Mamaroneck
High school district Mamaroneck
Standard status Active
APN 3203-008-000-00020-000-0001
Lot size 0.13 Acres

Taxes and HOA fees

Tax Year 2025
Tax Annual Amount 17801

Utilities

Sewer type Public Sewer
Heating system Baseboard, Natural Gas, Hot Water(Heating)
Cooling system Wall/Window Unit(s), Window Unit(s)
Water source Public

Amenities

private backyard patio

Building Details

Year built 1932
Number of units 2
Building materials Stucco
Architectural style Colonial
Listing Agency: BHHS River Towns Real Estate · Berkshire Hathaway HomeServices
Listed By: Jessica Diaz
Added: Apr 23 Changed: Sep 15 Last Checked: Sep 15 at 2:06PM
MLS# 972891

Copyright © 2026 OneKey MLS. 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 two-family duplex contains two residential units, each arranged with 2 bedrooms and 1 bathroom. The first-floor residence includes an updated eat-in kitchen with quartz countertops and stainless steel appliances, while the upper unit features granite countertops and stainless appliances. A basement, public water, public sewer, natural-gas hot-water baseboard heating, and window or wall-unit cooling are also provided. Built in 1932 with stucco construction and Colonial styling, the property occupies a 0.13-acre corner lot.

A private backyard patio faces a channel of the Mamaroneck River. The property is located at 903 Howard Avenue in Mamaroneck, near Harbor Island Park, waterfront trails, restaurants, cafés, shops, and parks. Metro-North Railroad access provides a connection for travel to New York City.

Key Highlights

  • Two‑family duplex with 2 bedrooms and 1 bathroom in each unit
  • 0.13‑acre corner lot along a channel of the Mamaroneck River
  • First‑floor kitchen updated with quartz countertops and stainless steel appliances

Property Analytics

Unlock full access to Insights Subscribe to Realmo Intelligence
Open Analytics

Current Use

Swans Engineering, PLLC Engineer

Suggested Use

Top Pick Parking Lot & Garage Computer & Electronic Repair Home Appliance Store (Bike/Boat/Book/etc) Store Tech Support Center Tattoo & Piercing Shop

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

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
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 - Two separate units provide updated kitchens, four bedrooms, and private outdoor space along 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‑family duplex with 2 bedrooms and 1 bathroom in each unit; 0.13‑acre corner lot along a channel of the Mamaroneck River; First‑floor kitchen updated with quartz countertops and stainless steel appliances
More about this property
Thanks! Your message was sent.
Error! Your message wasn't sent.
Please enter your name
Please enter email
Please enter the email in the correct format
Please enter phone
Please enter the number in the correct format
Please enter message