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21 Astor Avenue
Saint James NY 11780 US

$1,699,000

Active Listing ID 948811
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6 bed
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4.00 Bath (3 Full , 1 Half)
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Lot: 0.75 Acres
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Single Family Residence

$1,699,000

Active Listing ID 948811
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21 Astor Avenue 21 Astor Ave Is Located In The Heart Of Saint James Within The Desirable Smithtown School District. This Custom Built And Architecturally Appealing 6 Bedroom, 3.5 Bath Colonial Is Only 25 Years Young & Sits On 3/4 Of An Acre. A Charming Open Front Porch Greets You Before You Enter The Large 2 Story Foyer With Grand Staircase. A Formal Living Room With Fireplace Awaits Your Guests Before You Sit Down For A Meal In The Formal Dining Room Featuring A Tray Ceiling. Lovely Hardwood Floors Throughout The Home. The Spacious Custom Kitchen With Island Has Plenty Of Room For A Dining Table And Is Open To The Family Room With Fireplace. There Is Also A Large Enclosed Porch For More Entertaining Space That Leads To The Rear Yard. You And Your House Guests Or In-Laws Will Appreciate The Privacy Of The 1st Floor Guest Quarters With Full Bath & Separate Entrance Complete With Mud Room And Drop Off Station. The 2nd Level Has 5 Bedrooms, A Full Bath, Laundry Room, And A Large Private En-Suite With Fireplace, Walk-In Closet, And Full Bath With Tub And Separate Shower Stall. If The 4, 147 Square Feet Of Living Space Wasn't Enough For You, Then Maybe The Full Finished Basement With A Home Pub & Half Bath Will Help! Wait! Theres More!! Attached 2 Car Garage, Inground Pool, & BONUS Pool House! An Incredible Value For This Much House! Make Your Heart Happy This Valentines & Settle Down In The Heart Of Saint James!

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Property Features

  • Facts
  • Lot Size: 0.75 Acres
  • Property Type: Residential
  • Property Sub-type: Single Family Residence
  • Features
  • Full Bathrooms: 3
  • 1/2 Bathrooms: 1
  • Cooling System: Central Air
  • Floor Covering: Hardwood, Tile - Ceramic
  • Heating Fuels: Oil, Radiant Floor, Radiant
  • Additional Features
  • Basement
  • Fireplace
  • Patio
  • Pool

School Information

  • School
  • Mills Pond Elementary School(Elementary)
  • Nesaquake Middle School(MiddleSchool)
  • Smithtown High School-East(HighSchool)

Property

  • propertytype: Residential
  • propertysubtype: Single Family Residence
  • listprice: 1699000
  • unparsedaddress: 21 Astor Avenue
  • postalcity: Saint James
  • stateorprovince: NY
  • country: US
  • postalcode: 11780
  • bathroomsfull: 3
  • bathroomshalf: 1
  • bathroomsonequarter: 0
  • bathroomsthreequarter: 0
  • lotsizeacres: 0.75
  • lotsizeunits: Acres
  • lotsizearea: 0.75
  • livingarea: 4147
  • livingareaunits: Square Feet
  • latitude: 40.873668
  • longitude: -73.147881
  • listagentfullname: Frank Pignataro CBR
  • listagentemail: lic2sell4u@aol.com
  • listagentkey: 3yd-MLSLINY-9030391
  • listagentmlsid: 9030391
  • listagentpreferredphone: 5166524233
  • listagentofficephone: 5166524233
  • listofficekey: 3yd-MLSLINY-SAIL01
  • listofficemlsid: SAIL01
  • 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: 2001
  • listingcontractdate: 2026-01-05
  • listagentfax: 5163778663
  • listagenturl: http://www.SailingHomeRealty.com
  • countyorparish: Suffolk County
  • parcelnumber: 0800-087-00-01-00-004-001
  • elementaryschool: Mills Pond Elementary School
  • highschool: Smithtown High School-East
  • elementaryschooldistrict: Smithtown
  • middleorjuniorschooldistrict: Smithtown
  • highschooldistrict: Smithtown
  • appliances: Dishwasher, Gas Range, Microwave, Range, Refrigerator, Washer, Oil Water Heater
  • cooling: Central Air
  • constructionmaterials: Frame, Wood Siding
  • flooring: Hardwood, Tile - Ceramic
  • heating: Oil, Radiant Floor, Radiant
  • fireplaceyn: True
  • transactiontype: ForSale
  • storiestotal: 2
  • parkingtotal: 0
  • parkingfeatures: Driveway, Garage, Off Street
  • waterfrontyn: False
  • franchiseaffiliation: None
  • interiorfeatures: First Floor Bedroom, First Floor Full Bath, Cathedral Ceiling(s), Crown Molding, Eat-in Kitchen, Entrance Foyer, Formal Dining, Granite Counters, High Ceilings, In-Law Floorplan, Kitchen Island, Open Kitchen, Primary Bathroom, Recessed Lighting, Tray Ceiling(s), Walk-In Closet(s), Washer/Dryer Hookup, Wet Bar
  • architecturalstyle: Colonial
  • rooms: Bedroom 6, Bedroom 1, Bedroom 4, Bathroom 1, Dining Room, Bathroom 4, Bedroom 3, Bathroom 3, Bathroom 2, Basement, Bedroom 2, Bedroom 5
  • otherstructures: Cabana
  • utilities: Propane
  • patioandporchfeatures: Porch, Patio
  • basement: Finished, Full
  • dock: False
  • poolprivateyn: True
  • spayn: False
  • internetaddressdisplayyn: True
  • internetautomatedvaluationdisplayyn: True
  • internetconsumercommentyn: True
  • location: -73.14788, 40.87367
  • customfields: {"AdditionalInformation":{}, "AlternatePrices":[], "BrokerName":"Sailing Home Realty", "BuilderEmail":null, "BuilderFax":null, "BuilderPhone":null, "City":null, "Country":null, "CustomSourceId":null, "Expenses":[], "GeocodeOptions":null, "LeadRoutingEmail":"lic2sell4u@aol.com", "ListBrokerageCity":"Baldwin", "ListBrokerageCountry":"US", "ListBrokerageEmail":"dbender55@aol.com", "ListBrokerageLogoUrl":"http://brokerlogos.listhub.net/MLSLINY/c5ababc31f74e4c8011f75470c67000e/20090216103919161.bmp", "ListBrokerageName":"Sailing Home Realty", "ListBrokeragePhone":"516-816-4699", "ListBrokeragePostalCode":"11510", "ListBrokerageStateOrProvince":null, "ListBrokerageUnitNumber":null, "ListBrokerageUnparsedAddress":"1000 Atlantic Ave", "ListBrokerageWebsiteUrl":"http://www.SailingHomeRealty.com", "ListOfficeAddress1":"1025 Atlantic Ave ", "ListOfficeAddress2":null, "ListOfficeBrokerMlsId":"SAIL01", "ListOfficeCity":"Baldwin", "ListOfficeCountry":"USA", "ListOfficeEmail":"lic2sell4u@gmail.com", "ListOfficePostalCode":"11510", "ListOfficeStateOrProvince":"NY", "ListPriceCurrencyType":"USD", "ListingTitle":"SINGLE_FAMILY - Colonial - Saint James, NY", "ListingURL":"https://www.realtor.com/realestateandhomes-detail/21-Astor-Ave_Saint-James_NY_11780_M45172-54452?f=listhub&s=MLSLINY&m=948811&c=rexren", "MLSModificationTimestamp":"2026-01-14 05:31:36", "Neighborhoods":[], "PostalCode":null, "RoomCount":12, "StateOrProvince":null, "Taxes":[{"TaxAnnualAmount":27522, "TaxDescription":null, "TaxYear":"2025"}], "UnitNumber":null, "UnparsedAddress":null}
Listing Changed: 1/14/2026 2:27:16 PM GMT
Source Updated Date: 1/15/2026 6:46:38 PM GMT

Courtesy of: Frank Pignataro CBR, Sailing Home Realty of L I LLC, lic2sell4u@aol.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.