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48 Tammys Lane
Syosset NY 11791 US

$4,388,000

Active Listing ID 1013974
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6 bed
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9.00 Bath (7 Full , 2 Half)
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Lot: 2.00 Acres
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Single Family Residence

$4,388,000

Active Listing ID 1013974
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48 Tammys Lane Nestled on more than two exquisitely landscaped acres in prestigious Muttontown, this extraordinary 6, 600-square-foot estate offers a rare combination of privacy, luxury, and timeless craftsmanship. A grand two-story foyer with soaring ceilings, a dramatic staircase, and a stunning chandelier sets the tone for the exceptional design found throughout. Featuring 6 bedrooms, 7 full and 2 half baths, radiant-heated marble floors, and beautifully proportioned living spaces, the home showcases impeccable custom millwork, hand-painted finishes, designer window treatments, and artisanal ceiling details in every room. The chef's kitchen with premium appliances, pantry, and breakfast room opens to an expansive bluestone patio with outdoor kitchen, custom retractable awning, fire pit, and heated gunite pool surrounded by breathtaking, professionally designed gardens that create a private resort-like setting. Upstairs, the luxurious primary suite features a sitting room with fireplace, spa bath with heated marble floors, and an extraordinary custom walk-in closet, complemented by a second primary suite, additional en-suite bedrooms, a spacious great room, and laundry room. Additional highlights include a heated three-car garage with Tesla charger, whole-house generator, full unfinished basement, California Closets throughout, and a fully fenced backyard. Meticulously designed and maintained, this exceptional residence offers a level of quality, detail, and beauty rarely found in today's market. A truly one-of-a-kind estate where exceptional craftsmanship, breathtaking grounds, and unparalleled privacy come together to create an extraordinary place to call home!

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Property Features

  • Facts
  • Lot Size: 2.00 Acres
  • Property Type: Residential
  • Property Sub-type: Single Family Residence
  • Features
  • Full Bathrooms: 7
  • 1/2 Bathrooms: 2
  • Cooling System: Central Air
  • Heating Fuels: Forced Air, Natural Gas, Radiant
  • Additional Features
  • Basement
  • Fireplace
  • Patio
  • Pool

School Information

  • School
  • Robbins Lane Elementary School(Elementary)
  • South Woods Middle School(MiddleSchool)
  • Syosset Senior High School(HighSchool)

Property

  • propertytype: Residential
  • propertysubtype: Single Family Residence
  • listprice: 4388000
  • unparsedaddress: 48 Tammys Lane
  • postalcity: Syosset
  • stateorprovince: NY
  • country: US
  • postalcode: 11791
  • bathroomsfull: 7
  • bathroomshalf: 2
  • bathroomsonequarter: 0
  • bathroomsthreequarter: 0
  • lotsizeacres: 2.001
  • lotsizeunits: Acres
  • lotsizearea: 2.001
  • livingarea: 6760
  • livingareaunits: Square Feet
  • latitude: 40.82835
  • longitude: -73.512948
  • listagentfullname: Nicole Oustatcher
  • listagentemail: nicoleo@homesbymara.com
  • listagentkey: 3yd-MLSLINY-209909
  • listagentmlsid: 209909
  • listagentpreferredphone: 6465848223
  • listagentofficephone: 6465848223
  • listofficekey: 3yd-MLSLINY-JONV01
  • listofficemlsid: JONV01
  • disclaimer: Copyright © 2026 OneKey MLS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
  • sourcesystemid: MLSLINY
  • yearbuilt: 2004
  • listingcontractdate: 2026-06-12
  • listagentfax: 5163642565
  • listagenturl: http://www.HomesByMara.com
  • countyorparish: Nassau County
  • parcelnumber: 2429-25-046-00-0117-0
  • elementaryschool: Robbins Lane Elementary School
  • highschool: Syosset Senior High School
  • elementaryschooldistrict: Syosset
  • middleorjuniorschooldistrict: Syosset
  • highschooldistrict: Syosset
  • appliances: Cooktop, Dishwasher, Dryer, Electric Oven, Freezer, Gas Range, Refrigerator, Stainless Steel Appliance(s), Washer, Gas Water Heater, Indirect Water Heater, Wine Refrigerator
  • cooling: Central Air
  • constructionmaterials: Brick, Frame
  • heating: Forced Air, Natural Gas, Radiant
  • fireplaceyn: True
  • transactiontype: ForSale
  • storiestotal: 3
  • parkingtotal: 0
  • parkingfeatures: Garage
  • waterfrontyn: False
  • franchiseaffiliation: None
  • interiorfeatures: First Floor Bedroom, First Floor Full Bath, Built-in Features, Cathedral Ceiling(s), Chandelier, Chefs Kitchen, Crown Molding, Double Vanity, Eat-in Kitchen, Entrance Foyer, Formal Dining, Granite Counters, High Ceilings, Kitchen Island, Pantry, Primary Bathroom, Soaking Tub, Sound System, Storage, Tray Ceiling(s), Walk Through Kitchen, Walk-In Closet(s), Wired for Sound
  • architecturalstyle: Colonial
  • rooms: Bedroom 1, Bathroom 5, Bathroom 8, Bedroom 3, Bedroom 5, Bathroom 1, Bedroom 6, Bathroom 3, Bathroom 9, Dining Room, Bathroom 7, Bathroom 6, Bathroom 2, Bedroom 2, Basement, Bathroom 4, Bedroom 4
  • securityfeatures: Security System
  • otherstructures: Storage
  • utilities: Natural Gas Available
  • patioandporchfeatures: Patio
  • basement: Unfinished, Full
  • dock: False
  • poolprivateyn: True
  • spayn: False
  • internetaddressdisplayyn: True
  • internetautomatedvaluationdisplayyn: False
  • internetconsumercommentyn: False
  • location: -73.51295, 40.82835
  • customfields: {"AdditionalInformation":{}, "AlternatePrices":[], "BrokerName":"Homes By Mara Realty", "BuilderEmail":null, "BuilderFax":null, "BuilderPhone":null, "City":null, "Country":null, "CustomSourceId":null, "Expenses":[], "GeocodeOptions":null, "LeadRoutingEmail":"nicoleo@homesbymara.com", "ListBrokerageCity":"Syosset", "ListBrokerageCountry":"US", "ListBrokerageEmail":"HomesByMara@aol.com", "ListBrokerageLogoUrl":null, "ListBrokerageName":"Homes By Mara Realty", "ListBrokeragePhone":"(516) 364-2500", "ListBrokeragePostalCode":"11791", "ListBrokerageStateOrProvince":null, "ListBrokerageUnitNumber":null, "ListBrokerageUnparsedAddress":"567 Jericho Tpk Suite 205", "ListBrokerageWebsiteUrl":"http://www.HomesByMara.com", "ListOfficeAddress1":"30 Berry Hill Rd ", "ListOfficeAddress2":null, "ListOfficeBrokerMlsId":"JONV01", "ListOfficeCity":"Syosset", "ListOfficeCountry":"US", "ListOfficeEmail":"mara@homesbymara.com", "ListOfficePostalCode":"11791", "ListOfficeStateOrProvince":"NY", "ListPriceCurrencyType":"USD", "ListingTitle":"SINGLE_FAMILY - Colonial - Syosset, NY", "ListingURL":"https://www.realtor.com/realestateandhomes-detail/48-Tammys-Ln_Syosset_NY_11791_M41461-57661?f=listhub&s=MLSLINY&m=1013974&c=rexren", "MLSModificationTimestamp":"2026-06-24 04:32:37", "Neighborhoods":[], "PostalCode":null, "RoomCount":13, "StateOrProvince":null, "Taxes":[{"TaxAnnualAmount":51089, "TaxDescription":null, "TaxYear":"2024"}], "UnitNumber":null, "UnparsedAddress":null}
Listing Changed: 6/24/2026 4:46:31 AM GMT
Source Updated Date: 6/26/2026 12:41:02 PM GMT

Courtesy of: Nicole Oustatcher, Homes By Mara, nicoleo@homesbymara.com

Copyright © 2026 OneKey MLS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.