Chappaqua Real Estate

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The Mark Seiden Real Estate Team is Westchester's most innovative real estate team.

Mark Seiden Real Estate Team

1238 Pleasantville Rd, Briarcliff Manor, NY 10510

(914) 762-2200

The data relating to real estate for sale on this website appears in part through the SMARTMLS Internet Data Exchange program, a voluntary cooperative exchange of property listing data between licensed real estate brokerage firms, and is provided by SMARTMLS through a licensing agreement. Listing information is from various brokers who participate in the SMARTMLS IDX program and not all listings may be visible on the site. The property information being provided on or through the website is for the personal, non-commercial use of consumers and such information may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Some properties which appear for sale on the website may no longer be available because they are for instance, under contract, sold or are no longer being offered for sale. Property information displayed is deemed reliable but is not guaranteed. Copyright 2026 SmartMLS, Inc. Data last updated: 2026-02-18T16:10:02.657.

© 2026 OneKey MLS. All rights reserved. IDX information is provided exclusively 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 is deemed reliable but is not guaranteed accurate by the MLS or Mark Seiden Real Estate Team. Data last updated: 2026-02-18T16:18:25.64.

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