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Two-Family Duplex with Riverfront Patio
For Sale
$830,000

903 Howard Avenue, Mamaroneck, NY 10543

MULTI_FAMILY - Colonial - Mamaroneck, NY

Property SizeContact for details
Lot Size0.13 Acres
Days on Market109

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 1, Bathroom 2, Bedroom 4, Basement, Bathroom 1, Bedroom 2, Bedroom 3
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 Natural Gas, Baseboard, Hot Water(Heating)
Cooling system Window Unit(s), Wall/Window Unit(s)
Water source Public

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: Aug 3 Last Checked: Aug 9 at 9:06PM
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 well-maintained two-family duplex features a Colonial-style exterior and a 1932 build. The home offers two separate units, each laid out as a 2-bedroom, 1-bath configuration. The first-floor unit includes an updated eat-in kitchen with quartz countertops and stainless steel appliances, while the second-floor unit includes granite countertops and stainless appliances.

Set on a prominent corner lot along a tranquil channel of the Mamaroneck River, the property is designed for an open, light-filled feel. Outside, enjoy a private backyard patio that overlooks the waterway. Interior features include ceiling fan(s), and the home is served by public water and public sewer.

Comfort is supported by natural gas heating with hot water and baseboard, along with wall/window and window unit air conditioning. Additional space includes a basement and a full set of bedrooms and bathrooms across both levels, making the property suitable for a live-in owner or an investor looking for a classic income setup in Mamaroneck.

Key Highlights

  • Two‑family duplex on a prominent corner lot along the Mamaroneck River channel
  • Two separate 2‑bedroom, 1‑bath units
  • Private backyard patio with waterway views

Property 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

Multi-tenant
Tenancy
Yes
Paved road access

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

Market

Vacancy Rate% for Multifamily in Northeast region

4% 2022
4.6% 2023
5.3% 2024
5.6% 2025
Rey
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Frequently Asked Questions

What type of property is this?
Duplex - Well-maintained two-family duplex with two 2-bedroom, 1-bath units and a private backyard patio overlooking the Mamaroneck River.
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 $830,000.
What are key features of this property?
This property features: Two‑family duplex on a prominent corner lot along the Mamaroneck River channel; Two separate 2‑bedroom, 1‑bath units; Private backyard patio with waterway views
More about this property
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