21 Astor Avenue, Saint James, NY 11780

Saint James
Local realty services provided by:ERA Caputo Realty
21 Astor Avenue,Saint James, NY 11780
$1,599,000
  • 6 Beds
  • 4 Baths
  • 4,147 sq. ft.
  • Single family
  • Active
Listed by: frank pignataro cbr
Office: sailing home realty of l i llc.
MLS#:948811
Source:OneKey MLS

Price summary

  • Price:$1,599,000
  • Price per sq. ft.:$345.43

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 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...

Contact an agent

contact an agent

Yes, I would like more information. Please use and/or share my information with an ERA®  affiliated agent to contact me about my real estate needs. By clicking Send message, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If an ERA®  affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE® , CENTURY 21® , Coldwell Banker® , Corcoran® , Sotheby's International Realty® ). I acknowledge that I have read and agree to theTerms of useandPrivacy notice

Home facts

  • Year built:2001
  • Listing ID #:948811
  • Added:137 day(s) ago
  • Updated:May 24, 2026 at 10:39 AM

Rooms and interior

  • Bedrooms:6
  • Total bathrooms:4
  • Full bathrooms:3
  • Half bathrooms:1
  • Rooms Total:12
  • Flooring:Hardwood
  • Dining Description:Eat-In Kitchen, Formal Dining
  • Kitchen Description:Dishwasher, Eat-in Kitchen, Kitchen Island, Microwave, Range, Refrigerator
  • Bedroom Description:First Floor Bedroom
  • Basement:Yes
  • Basement Description:Finished, Full
  • Living area:4,147 sq. ft.

Heating and cooling

  • Cooling:Central Air
  • Heating:Oil
  • Central air:Yes

Structure and exterior

  • Year built:2001
  • Building area:4,147 sq. ft.
  • Lot area:0.75 Acres
  • Architectural Style:Colonial
  • Construction Materials:Frame, Wood Siding
  • Levels:2 Story

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:$1,599,000
  • Price per sq. ft.:$345.43
  • Tax amount:$27,522 (2025)

Features and amenities

  • Appliances:Dishwasher, Microwave, Refrigerator, Washer
  • Laundry features:Washer, Washer/Dryer Hookup
  • Amenities:Cathedral Ceiling(s), Entrance Foyer, Granite Counters, High Ceilings, Walk-In Closet(s), Wet Bar
  • Pool features:In Ground

Parking

  • Parking description:Driveway, Garage, Off Street, Private
  • Garage:Yes
  • Garage spaces:2
Copyright 2026 OneKey MLS. All rights reserved. Listings courtesy of OneKey MLS as distributed by MLS GRID <lastMLSCheckTimestamp>. OneKey MLS provides content displayed here (“provided content”) on an “as is” basis and makes no representations or warranties regarding the provided content, including, but not limited to those of non-infringement, timeliness, accuracy, or completeness. Individuals and companies using information presented are responsible for verification and validation of information they utilize and present to their customers and clients. OneKey MLS will not be liable for any damage or loss resulting from use of the provided content or the products available through Portals, IDX, VOW, and/or Syndication. Recipients of this information shall not resell, redistribute, reproduce, modify, or otherwise copy any portion thereof without the expressed written consent of OneKey MLS.

New listings near 21 Astor Avenue