423 Halstead AvenueMamaroneck, NY 10543Price: $1,175,000

  • Price: $1,175,000
  • Est. Mortgage of $/month
  • 29 Days on Market
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Federal 30-year interest rate: 6.37% last updated on May 7, 2026
* All Figures are estimates. Check with your bank or proposed mortgage company for actual interest rates.
This product uses the FRED® API but is not endorsed or certified by the Federal Reserve Bank of St. Louis.
  • $1,175,000List Price
  • 6Bedrooms
  • 3Bathrooms
  • 0.15Acreage

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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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Listed by Mary Stetson of Stetson Real Estate (914-381-7173)

Listings courtesy of OneKey® MLS as distributed by MLS GRID. Based on information submitted to the MLS GRID as of May 14, 2026 10:49 PM EDT. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. IDX information is provided exclusively for consumers’ personal noncommercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The data is deemed reliable but is not guaranteed by MLS GRID. The use of the MLS GRID Data may be subject to an end user license agreement.

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