21 Astor Avenue, Saint James, NY 11780

• 6 beds |
• 4 baths |
• 4,147 sqft

Property Description

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 Motorized Chandelier. A Bright Formal Living Room 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 Wood Burning 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 Or This Could Easily Double As A Home Office. The 2nd Level Has 5 Bedrooms, A Full Bath, Laundry Room, And A Large Private En-Suite With Gas 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 Fully Equipped Pool House With CAC & Heat! An Incredible Value For This Much House! Gas Line In Street. Projected ARV $2,300,000 Owner Motivated. Let’s Talk!

Listing Status:

Active

Data Last Updated:

May 11, 2026 at 7:20AM

Listing Office:

Sailing Home Realty of L I LLC : 516-377-4760

MLS ID:

948811

Interior

• General: First Floor BedroomFirst Floor Full BathCathedral Ceiling(s)Crown MoldingEat-in KitchenEntrance FoyerFormal DiningGranite CountersHigh CeilingsIn-Law FloorplanKitchen IslandOpen KitchenPrimary BathroomRecessed LightingTray Ceiling(s)Walk-In Closet(s)Washer/Dryer HookupWet Bar
• Appliances: DishwasherGas RangeMicrowaveRangeRefrigeratorWasherOil Water Heater
• Basement: FinishedFull
• Flooring: Ceramic TileHardwood
• A/C: Central Air
• Heating: OilRadiant Floor
• Fireplace: BedroomFamily RoomFireplaceFireplaces: 2

Exterior

• Style: Colonial
• Other Structures: CabanaPool HousePorchPatio
• Pool: In GroundVinyl
• Parking: DrivewayGarageOff StreetPrivate

Construction

• General: Two

Location

• Originating MLS: onekey2
• School District: Smithtown
• County: Suffolk County

Lot

• Zoning: 0800-087-00-01-00-004-001

Utilities

• Utilities: Electricity ConnectedPropaneSee RemarksWater Connected
• Water: Public
• Sewer: Cesspool

Financial

• Source: onekey2
• Exclusions: Dining Room Chandelier & Sconces