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  • Price$2,699,000
  • Beds6
  • Baths6
  • Sq. Ft.5,192
  • Acres0.39
  • Built1960
  • Est. Tax$61,735

505 Alda Road, Mamaroneck

Set just before water’s edge in Mamaroneck taking in idyllic vistas of Harbor & out to Long Island Sound, this Certified Passive Home is a model in innovation & technology for the next generation in environmentally-conscious, luxurious waterfront living. An Energy Recovery System completely filters & refreshes the air every three hours; 28 solar panels generate 6.7 KW of electric power returning electric power to the grid; high-performance energy efficient triple-pane windows w/laminated glass & unique openings; organic insulation; & the benefit of airtight construction. Chef’s kitchen with center-island, glass front cabinetry, top-quality appliances opens to Dining, Living, and Family Rooms. Entertaining deck overlooks Harbor. Luxurious Master suite is tranquil retreat overlooking Harbor, and features private redwood deck plus spacious spa-quality bath. Five other bedrooms and 4.1 baths complete this beauty. Just steps to Shore Acres Club with beach, pools, dock and moorings.

Essential Information

  • MLS® #4904038
  • Price$2,699,000
  • Bedrooms6
  • Bathrooms6.00
  • Full Baths5
  • Half Baths1
  • Square Footage5,192
  • Acres0.39
  • Year Built1960
  • TypeSingle Family
  • StyleContemporary
  • StatusActive


  • AmenitiesBalcony, Beach, Cathedral/Vaulted/High Ceiling, Close to Park, Clubhouse, Deck, Dock/Mooring, Eat in Kitchen, Energy Star Windows, Formal Dining Room, Foyer, Hardwood Floors As Seen, Master Bath, Powder Room, Scenic View, Security System, Sprinkler Lawn Sys, Walk In Closet, Water Access, Water View
  • FeaturesA/C Units, Air Filter System, Alarm System, Ceiling Fan, Chandelier(s), Convection Oven, Dishwasher, Disposal, Dryer, Energy Star Appliance(s), Garage Door Opener, Garage Remote, Light Fixtures, Microwave, Oven/Range, Refrigerator, Second Dryer, Second Washer, Wall Oven, Washer, Wine Cooler, Woodburning Stove
  • Parking2 Car Attached


  • ExteriorHardiplank
  • Lot DescriptionCorner Lot
  • ConstructionAdvanced Framing Technique, Energy Star, Cellulose Insulation, LEED-Gold

Listing Details

  • Listing Courtesy ofHoulihan Lawrence Inc.

Community Information

  • Address505 Alda Road
  • AreaRye Town
  • SubdivisionShore Acres
  • CityMamaroneck
  • CountyWestchester
  • StateNY
  • Zip Code10543


  • HeatingSee Remarks
  • CoolingCentral
  • Has BasementYes
  • BasementFull, Partially Finished
  • FireplaceYes
  • # of Fireplaces1
  • # of Stories2

School Information

  • DistrictRye Neck
  • ElementaryF.E. Bellows
  • MiddleRye Neck
  • HighRye Neck
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The data relating to real estate for sale or lease on this web site comes in part from HGMLS. Real estate listings held by brokerage firms other than Westchester Choice Realty are marked with the HGMLS logo or an abbreviated logo and detailed information about them includes the name of the listing broker.

Information deemed reliable but not guaranteed.

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Listing information last updated on April 22nd, 2019 at 8:58pm EDT.