Recently Listed Open House 4/19 1pm - 3pm
423 Halstead Avenue
Mamaroneck, NY, 10543 $ 1,198,800
Bedrooms6 Baths3.0 Sq 2,004 Monthly Estimate*
$ 7,381
for $1,198,800 with 6 bedrooms and 3 full baths. This 2,004 square foot home was built in 1920 on a lot size of 0.1486.
Exceptional investment and development opportunity in the heart of Mamaroneck! Located just one block from Metro North with direct access to NYC, this C-1 zoned property offers tremendous upside for investors, end-users, and developers alike. Set on a 6,475 SF lot with a FAR of 0.88, the property allows for up to approximately 5,698 buildable square feet, with additional potential under transit-oriented development incentives. Ideal for mixed-use redevelopment or expansion. Currently configured as a legal two-family property, featuring: two spacious 3-bedroom units with separate entrances, recently updated interiors with strong rental appeal, separate gas, electric meters and heating systems for each unit, oversized 2-car garage plus additional storage, perfect for immediate income generation while planning future development. Situated within walking distance to Mamaroneck Metro North, Harbor Island Park & Beach, and the vibrant Mamaroneck Avenue corridor filled with restaurants, shops, and entertainment. A rare opportunity combining location, income, and development potential in one of Westchester’s most desirable and transit-oriented communities.
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Open House
4/19/2026 1:00 PM - 3:00 PM
423 Halstead Avenue Mamaroneck, NY
* Some states or local ordinances may prohibit Open Houses at this time, please confirm with your Weichert agent or local rep to confirm
FeaturesInteriorInterior Amenities Breakfast Bar Eat-in Kitchen Open Floorplan Washer/Dryer Hookup
Flooring Wood
Basement (Y/N) N
Fireplace Y/N N
Total Bedrooms 6
Total Baths 3
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GeneralSewer Public Sewer
Heating Electric ENERGY STAR Qualified Equipment Heat Pump
Cooling None
Utilities Cable Available Electricity Connected Sewer Connected Trash Collection Public Water Connected
Garage Spaces 1
Patio/Porch Features Covered
Architectural Style Colonial
Construction Materials Frame Stucco
Year Built 1920
Property Subtype Duplex
Tax Year 2025
Parcel Number 4803-154-000-00042-001-0037-0000000
County Westchester County
Property Type Residential Income
Garage Y/N Y
Full Baths 3
High School Rye Neck Senior High School
City Rye Town
Senior Community Y/N N
High School District Rye Neck
Number Of Units Total 2
Carport Y/N N
Elementary School F E Bellows Elementary School
Property Attached Y/N Y
Tax Annual Amount 17787.54
Middle/Junior High School Rye Neck Middle School
Additional Parcels Y/N N
Building Area Units Square Feet
Standard Status Active
Middle/Junior School District Rye Neck
Elementary School District Rye Neck
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ExteriorParking Features Driveway Garage Driveway Garage
Water Source Public
Total Parking 2
Parking Spaces 2
Building Area Total 2004
Waterfront Y/N N
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* Excluded FeaturesList ByMary StetsonListing Agent
Stetson Real EstateBroker
Affordability Calculator
- Monthly Principal & Interest
- $7,381
- Monthly Property Taxes
- $1,482
- Monthly Home Insurance
- --
Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
Learn more about how to save NearbyMulti-family listings in Mamaroneck, NY
Average List Price $950,400
Percent of Sale Price 21%
About Mamaroneck, NY 30,187 Population
4% Since 2002
$ 120,494 Median Income
43.15 Median Age
38% Households with Children
Trends Information provided by ATTOM Data Solutions.
4099803 Elementary School
4099992 Middle School
Rye Neck Senior High School High School
Pricing History| Date | Price | Price Change | Description |
|---|
| 4/16/2026 | $1,198,800 | | Listed Price |