David E. Cornwell
Licensed Real Estate Salesperson
REALTOR®
Walton, NY
Office: (607) 865-7000 (607) 437-8941

21 Astor Avenue, Saint James, NY 11780

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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! Owner Motivated. Let's Talk!

21 Astor Avenue | MLS# 948811

This single family home located at 21 Astor Avenue, Saint James, NY 11780 is currently listed for sale with an asking price of $1,599,000. This property was built in 2001 and has 6 bedrooms and 3 full and 1 partial baths with 4147 sq. ft. Astor Avenue is located within the Smithtown school district. Search Saint James real estate on david-cornwell.timberlandproperties.com today.

Gallery

Property Features

Property Type: Residential - Single Family
Basement: Finished, Full
Basement: Yes
Cooling: Central Air
Fireplaces: 3
Garage: 2
Heating: Oil, Radiant Floor
Home Style: Colonial
Lot Size: 0.75 Acres
Taxes: $27,522
Year Built: 2001

Amenities

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)
Washer/Dryer Hookup
Wet Bar

Feature Descriptions

Appliances: Dishwasher, Gas Range, Microwave, Range, Refrigerator, Washer, Oil Water Heater
Attic: Full, Pull Stairs, Unfinished
Building Area Total: 4629
Days on Site: 55
Exclusions: Dining Room Chandelier & Sconces
Exterior: Frame, Wood Siding
Fireplace Features: Bedroom, Family Room, Living Room
Fireplace Y/N: Yes
Flooring: Ceramic Tile, Hardwood
Formal Dining: Yes
GarageY/N: Yes
Heating Zones: 5
House Faces: West
Number Of Kitchens: 1
On Market Date: 2026-01-14
Other Structures: Cabana, Pool House
Parcel Number: 0800-087-00-01-00-004-001
Parking Features: Driveway, Garage, Off Street, Private
Patio And Porch: Patio, Porch
Pool Features: In Ground, Vinyl
Rental Term: Monthly
Rooms Total: 12
Sewer: Cesspool
Swimming Pool: Yes
Utilities: Electricity Connected, Propane, See Remarks, Water Connected
Water: Public

Local Schools

High School: Smithtown High School-East
Middle School: Nesaquake Middle School
Elementary School: Mills Pond Elementary School
School District: Smithtown

Estimate Your Payment

Estimated Payment

$ 6,318.56 per month $3,558.68 Principal & Interest $2,293.50 Property Tax $466.38 Homeowner's Insurance

Change Payment Information

%
years/fixed
yearly
yearly (est.)
(Payments are an estimate and may vary by lender)

Demographics

Listed By / Shown By

Listing By

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

Shown By

Agent Name: David E. Cornwell
Agent Phone: (607) 437-8941
Agency Title: Timberland Properties

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All information is deemed reliable but not guaranteed. All properties are subject to prior sale, change, or withdrawal. Neither broker(s), nor agent(s) shall be responsible for any typographical errors, misinformation, or misprints, and shall be held totally harmless. Disclaimer: All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information on this site was last updated 03/03/2026. The listing information on this page last changed on 03/03/2026. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of Delta Media Group MLS (last updated Tue 03/03/2026 1:11:47 AM EST) or Global MLS (last updated Tue 03/03/2026 1:06:55 AM EST) or New York State Alliance MLS (last updated Tue 03/03/2026 1:10:29 AM EST) or Hudson Valley Catskill Region MLS (last updated Tue 03/03/2026 12:11:14 AM EST) or OneKey MLS (last updated Tue 03/03/2026 1:10:05 AM EST). Real estate listings held by brokerage firms other than Timberland Properties may be marked with the Internet Data Exchange logo and detailed information about those properties will include the name of the listing broker(s) when required by the MLS. All rights reserved.

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