423 Halstead Avenue
Mamaroneck, NY 10543

$1,198,800

Beds: 6
Baths: 3 full
Sq. Feet: 0
MLS ID: 981218
Subdivision:
School Dist: Rye Neck
NOT FORECLOSED. 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. View this listing at: http://nataliachoi.laffey.com/mls=981218

Property Features

School Information

Printed April 17, 2026

Disclaimer: All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information on this site was last updated 04/17/2026. The listing information on this page last changed on 04/17/2026. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of Delta Media Group MLS (last updated Fri 04/17/2026 2:34:28 AM EST) or OneKey MLS (last updated Fri 04/17/2026 1:45:18 AM EST). Real estate listings held by brokerage firms other than Laffey Real Estate may be marked with the Internet Data Exchange logo and detailed information about those properties will include the name of the listing broker(s) when required by the MLS. All rights reserved.

Listing data and photos distributed by MLSGRID
Member Participants (and their affiliated licensees, if applicable) shall indicate on their websites that IDX information is provided exclusively for consumers’ personal non-commercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, that the data is deemed reliable but is not guaranteed by MLS GRID, and that the use of the MLS GRID Data may be subject to an end user license agreement prescribed by the Member Participant’s applicable MLS if any and as amended from time to time. MLS GRID may, at its discretion, require use of other disclaimers as necessary to protect Member Participant, and/or their MLS from liability.
Based on information submitted to the MLS GRID. 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.



Privacy Policy / DMCA Notice / ADA Accessibility
Federal Housing Equal Opportunity Realtor
This site is hosted, designed and copyright © 1994 - 2026 by Delta Media Group, Inc. -- Patent Pending --