Skip main navigation
For sale
    • $1,599,000

    21 Astor Avenue, Saint James, NY 11780

    6beds
    4,147sqft
    Loading
    Single Family Residence, Residential
    Built in 2001
    0.75 Acres Lot
    $-- Zestimate®
    $386/sqft
    $-- HOA

    What's special

    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!
    202 days
    |
    834
    |
    36
    |

    Zillow last checked:

    Listing updated:

    Listed by:

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

    Frank Pignataro CBR 516-652-4233

    Source: OneKey® MLS as distributed by MLS GRID,MLS#: 948811MLS Logo

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 6
      • Bathrooms: 4
      • Full bathrooms: 3
      • 1/2 bathrooms: 1
      Heating
      • Oil, Radiant Floor
      Cooling
      • Central Air
      Appliances
      • Included: Dishwasher, Gas Range, Microwave, Range, Refrigerator, Washer, Oil Water Heater
      • Laundry: Washer/Dryer Hookup
      Features
      • 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), Wet Bar
      • Flooring: Ceramic Tile, Hardwood
      • Basement: Finished,Full
      • Attic: Full,Pull Stairs,Unfinished
      • Number of fireplaces: 2
      • Fireplace features: Bedroom, Family Room
      Interior area
      • Total structure area: 4,629
      • Total interior livable area: 4,147 sqft

      Property

      Parking
      • Total spaces: 2
      • Parking features: Driveway, Garage, Off Street, Private
      • Garage spaces: 2
      • Has uncovered spaces: Yes
      Features
      • Levels: Two
      • Patio & porch: Patio, Porch
      • Has private pool: Yes
      • Pool features: In Ground, Vinyl
      Lot
      • Size: 0.75 Acres
      Details
      • Additional structures: Cabana, Pool House
      • Parcel number: 0800087000100004001
      • Special conditions: None

      Construction

      Type & style
      • Home type: SingleFamily
      • Architectural style: Colonial
      • Property subtype: Single Family Residence, Residential
      Materials
      • Frame, Wood Siding
      Condition
      • Actual
      • Year built: 2001

      Utilities & green energy

      • Sewer: Cesspool
      • Water: Public
      • Utilities for property: Electricity Connected, Propane, See Remarks, Water Connected

      Community & HOA

      HOA
      • Has HOA: No
      Location
      • Region: Saint James

      Financial & listing details

      • Price per square foot: $386/sqft
      • Tax assessed value: $9,340
      • Annual tax amount: $27,522
      • Date on market: 1/14/2026
      • Cumulative days on market: 195 days
      • Listing agreement: Exclusive Right To Sell
      • Listing terms: Cash,Conventional,VA
      • Exclusions: Dining Room Chandelier & Sconces
      • Electric utility on property: Yes

        Estimated market value

        Not available

        Estimated sales range

        Not available

        Not available

        Price history

        DateEventPrice
        3/3/2026Price change$1,599,000-3%$386/sqft
        Source: OneKey® MLS as distributed by MLS GRID #948811 Report a problem
        2/4/2026Price change$1,649,000-2.9%$398/sqft
        Source: OneKey® MLS as distributed by MLS GRID #948811 Report a problem
        1/14/2026Listed for sale$1,699,000+9.6%$410/sqft
        Source: OneKey® MLS as distributed by MLS GRID #948811 Report a problem
        5/19/2023Sold$1,550,000$374/sqft
        Source: Public Record Report a problem
        7/7/2022Sold$1,550,000+3.3%$374/sqft
        Source: OneKey® MLS as distributed by MLS GRID #L3384740 Report a problem
        4/9/2022Pending sale$1,500,000$362/sqft
        Source: OneKey® MLS as distributed by MLS GRID #3384740 Report a problem
        3/22/2022Listed for sale$1,500,000+62.2%$362/sqft
        Source: OneKey® MLS as distributed by MLS GRID #3384740 Report a problem
        9/13/2017Sold$925,000-3.6%$223/sqft
        Source: OneKey® MLS as distributed by MLS GRID #L2950749 Report a problem
        4/6/2007Sold$960,000$231/sqft
        Source: Public Record Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2025-- $9,340
        2024-- $9,340
        2023-- $9,340
        2022-- $9,340 +1.1%
        2021-- $9,240
        2020-- $9,240
        2019-- $9,240
        2018-- $9,240
        2017$19,334 $9,240
        2016-- $9,240
        2015-- $9,240
        2014-- $9,240
        2013-- $9,240 -9.3%
        2012-- $10,190
        2011-- $10,190 -3.2%
        2010-- $10,528
        2009-- $10,528
        2008-- $10,528
        2007$19,906 +5.8%$10,528 -15.8%
        2005$18,812 +7.4%$12,500
        2004$17,516 -9.2%$12,500 -15.3%
        2003$19,293 $14,755
        Find assessor info on the county website

        Monthly payment

        Estimated monthly payment$1,822
        All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
        HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
        Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
        See how much you could borrow to make a competitive offer.
        Get pre-qualified

        Climate risks

        Neighborhood: 11780

        Getting around

        31 / 100
        Car-Dependent
        34 / 100
        Somewhat Bikeable

        Nearby schools

        GreatSchools rating
        Schools provided by the listing agent
        • Elementary: Mills Pond Elementary School
        • Middle: Nesaquake Middle School
        • High: Smithtown High School-East

        Source: OneKey® MLS as distributed by MLS GRID. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.

        A local agent can set up tours, give advice and negotiate with sellers.

        Browse local experts

        Similar homes

              Nearby cities

              Nearby zip codes

              Other Saint James Topics

                Search
                Updates
                Favorites
                Plan
                Inbox