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Previously Approved Plans To Be Build +8000sq/ft Ultra Luxury Waterfront Home In Lloyd Neck. 2.5 Acres On Swan’s Cove Off Cold Spring Harbor With Western Waterfront Views. Time To Customize!!!! Construction Plans Available Upon Request. 23 Mallard Has Access To Private Road Beach With Dues. Deed Beach And Mooring Rights – Cold Spring Harbor Schools.
| Listed | February 5, 2026 |
| Days on Market | 209 |
| Last Updated | August 27, 2026 |
Full public sale/price history isn't available through our listing feed for this property.
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23 Mallard Drive – For Sale
23 Mallard Drive – For Sale
Due to recent rule changes, buyer agent commissions are no longer advertised on the MLS. NestApple estimates your rebate as up to 2% of the purchase price, based on our standard commission-sharing arrangement. Prior to any showing, we will confirm the exact commission and rebate amount with the listing agent and with you in writing. Commissions are not set by law and are fully negotiable. Listing information for this property is sourced via the REBNY RLS, which does not fix, control, recommend, suggest or maintain any commission rates and/or fees for services, and is not the source of any commission information.
Closed-sale data isn't available through our current listing feed for this neighborhood.
