423 Halstead Avenue, Mamaroneck, NY 10543

• 6 beds |
• 3 baths |
• 2,004 sqft

Property Description

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.

Listing Status:

Active

Data Last Updated:

May 10, 2026 at 10:19PM

Listing Office:

Stetson Real Estate : 914-381-7173

MLS ID:

981218

Interior

• General: Breakfast BarEat-in KitchenOpen FloorplanWasher/Dryer Hookup
• Flooring: Wood
• A/C: None
• Heating: ElectricENERGY STAR Qualified EquipmentHeat Pump

Exterior

• Style: Colonial
• Other Structures: Covered
• Parking: DrivewayGarageParking spaces: 2

Location

• Originating MLS: onekey2
• School District: Rye Neck
• County: Westchester County

Lot

• Zoning: 4803-154-000-00042-001-0037-0000000

Utilities

• Utilities: Cable AvailableElectricity ConnectedSewer ConnectedTrash Collection PublicWater Connected
• Water: Public
• Sewer: Public Sewer

Financial

• Source: onekey2