21 Astor Avenue, Saint James, NY 11780

Local realty services provided by:ERA Insite Realty Services
21 Astor Avenue,Saint James, NY 11780
$1,649,000
  • 6 Beds
  • 4 Baths
  • 4,147 sq. ft.
  • Single family
  • Active
Upcoming open houses
  • Sat, Feb 21
    01:00 pm - 03:00 pm
Listed by: frank pignataro cbr
Office: sailing home realty of l i llc.
MLS#:948811
Source:OneKey MLS

Price summary

  • Price:$1,649,000
  • Price per sq. ft.:$356.23

About this home

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

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Home facts

  • Year built:2001
  • Listing ID #:948811
  • Added:45 day(s) ago
  • Updated:February 21, 2026 at 08:40 PM

Rooms and interior

  • Bedrooms:6
  • Total bathrooms:4
  • Full bathrooms:3
  • Half bathrooms:1
  • Living area:4,147 sq. ft.

Heating and cooling

  • Cooling:Central Air
  • Heating:Oil

Structure and exterior

  • Year built:2001
  • Building area:4,147 sq. ft.
  • Lot area:0.75 Acres

Schools

  • High school:Smithtown High School-East
  • Middle school:Nesaquake Middle School
  • Elementary school:Mills Pond Elementary School

Utilities

  • Water:Public
  • Sewer:Cesspool

Finances and disclosures

  • Price:$1,649,000
  • Price per sq. ft.:$356.23
  • Tax amount:$27,522 (2025)
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