by RH Advisors

See Home Value
$1,599,000
● House - Off Market

21 Astor Avenue

Smithtown, NY 11780
bedrooms
6 Beds
bathrooms
3 Baths, 1 Half Bath
square feet
4,147 Ft²
$10,145
Est. Monthly

About This Property

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!
Unit Size
4,147 Ft²
Days on Market
-
Land Size
0.75 acres
Price per sqft
$386
Property Type
House
Property Taxes
$2,294
HOA Dues
-
Year Built
2001

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Last updated: 3 months ago (OneKey MLS #KEY948811)

Price History

Date / Event Date Event Price
Aug 3, 2026 Withdrawn -
Withdrawn
Mar 4, 2026 Price Decreased $1,599,000
↓ $50K (3%)
Price Decreased
Feb 8, 2026 Price Decreased $1,649,000
↓ $50K (2.9%)
Price Decreased
Jan 5, 2026 Listed by Sailing Home Realty of L I LLC $1,699,000
Listed by Sailing Home Realty of L I LLC
May 19, 2023 Sold
Sold
Show More

Property Highlights

Garage
Parking Available
Air Conditioning
Fireplace

Building Info

Overview

    General

  • Year Built: 2001
  • Effective Year Built: 2001
  • Bedroom Count: 4
  • Bathroom Count: 3
  • Full Bathrooms: 3
  • Partial Bathrooms: 3
  • Building Condition: 3
  • Building Quality: 4
  • Construction Type: 0
  • Building Style: 5
  • Exterior Walls Type: 17
  • Interior Walls Type: 0
  • Roof Shape Type: 0
  • Roof Cover Type: 0
  • Floor Count: 200
  • Floor Cover: 0
  • Basement Type: 2
  • Basement Area: 0
  • Garage Type: 1
  • Garage Square Area: 482
  • Parking Space Count: 2
  • Patio Type: 0
  • Porch Type: 6
  • Pool Type: 10

    Dimensions

  • Lot Size Square Feet: 32,670
  • Total Building Area: 4,147
  • Building Area: 4,147
  • Building Area Measurement: L

    Heating and Cooling

  • Fireplace Count: 1
  • Air Conditioning: 1
  • Heating: 10
  • Heated Square Feet: 4,147
  • Heating Fuel Type: 6

    Utilities

  • Sewer System: 4
  • Water Service: 2

Building

  • Building Type: 0
  • Property Class: R
  • Subdivision: MAP OF ADAMS PLAT
  • Land Acres: 0000000750
  • Standard Land Use Code: 1001
  • County Land Use Code: 210
  • Legal Description 1: 87.-1-4.1 FILE # 10804 FILED 7/30 LOT 1

Neighborhood

  • School District Name: Smithtown Central School District
  • School Tax School District: SMITHTOWN
  • Census Tract: 135003

Geography

  • Account Number: J30825
  • District: 0800-0
  • Section: 87.00
  • Parcel: 0800-087.00-01.00-004.001
  • Block: 1
  • Lot: 4.001
  • Municipality: SMITHTOWN
  • Latitude: 40.8736
  • Longitude: -73.1479

    Address

  • Full Address: 21 Astor Ave
  • Address - House Number: 21
  • Address - Street Name: Astor
  • Address - Suffix Type: Ave
  • State: NY
  • City Name: Saint James
  • Carrier Code: C005
  • 4-Digit Zip Code: 3003
  • Zip Code: 11780

Valuation

    Tax

  • Tax Year: 2022
  • Tax Amount: $0
  • Tax Rate Code Area: 473401

    Appraisal Valuation

  • Standard Deviation: 0.1442
  • Valuation Date: Feb 14, 2024
  • Confidence Score: 82
  • Final Value: 1,451,125
  • High Value: 1,660,475
  • Low Value: 1,241,775

    Market Valuation

  • Market Total Value: $10,736
  • Market Land Value: $862
  • Market Improvement Value: $9,874

    Assessments Valuation

  • Assessed Year: 2023
  • Assessed Total Value: $9,340
  • Assessed Land Value: $750
  • Assessed Improvements Value: $8,590

    Sales

  • Current Sale Contract Date: Jul 07, 2022
  • Current Sale Recording Date: May 19, 2023
  • Current Sale Price:
  • Current Sale Document Type: 27
  • Previous Sale Recording Date: Sep 29, 2017
  • Previous Sale Contract Date: Sep 13, 2017
  • Previous Sale Amount: $925,000
  • Previous Sale Document Type: 12
Data used for valuation calculations is provided by RealtyHop, and other third party sources

Comparables

Unit
Status
Type
Beds
Baths
ft²
Price/ft²
Asking Price
Listed On
Closing Price
Sold On
HOA + Taxes

About St. James


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Frequently Asked Questions

When was property at 21 Astor Avenue built and last sold?
The property at 21 Astor Avenue was built in 2001 and last sold on Jul 7, 2022 for $1,550,000.
How much is this home worth?
The estimated value of the home located at 21 Astor Avenue is $1,614,990.
What are some comparable homes to 21 Astor Avenue?
There are currently no comparable homes to 21 Astor Avenue.

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