BEDS6
BATHS3 full 1 partial
SQUARE FEET4,147
MLS#948811
STATUSActive
PROPERTY TYPEResidential - Single Family
SCHOOLSmithtown
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! Gas Line In Street. Projected ARV $2,300,000 Owner Motivated. Let's Talk!
Property Features
Property Type: Residential - Single Family
Basement: Finished, Full
Basement: Yes
Cooling: Central Air
Fireplaces: 2
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: 149
Exclusions: Dining Room Chandelier & Sconces
Exterior: Frame, Wood Siding
Fireplace Features: Bedroom, Family 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
Listed By / Shown By
Listing By
Agency Name: Sailing Home Realty of L I LLC
Agency Contact: 516-377-4760
Shown By
Agency Title: Coldwell Banker Choice Properties
Agency Phone: 833-88-CHOICE (2-4642)
Estimate Your Payment
Estimated Payment
$ 6,318.56 per month $3,558.68 Principal & Interest $2,293.50 Property Tax $466.38 Homeowner's InsuranceChange Payment Information
Broker Headquarters, 621 Columbia St. Suite 800, Cohoes, NY 12047
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 06/04/2026. The listing information on this page last changed on 06/04/2026. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of SMART MLS (last updated Wed 06/03/2026 10:59:35 PM EST) or New York State Alliance MLS (last updated Wed 06/03/2026 11:58:57 PM EST) or Hudson Valley Catskill Region MLS (last updated Wed 06/03/2026 11:51:28 PM EST) or My State MLS (last updated Wed 06/03/2026 11:30:16 PM EST) or Berkshire MLS (last updated Wed 06/03/2026 8:13:06 PM EST) or OneKey MLS (last updated Wed 06/03/2026 11:53:26 PM EST) or (last updated Thu 06/04/2026 12:00:14 AM EST). Real estate listings held by brokerage firms other than Coldwell Banker Choice 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.
Listing data and photos distributed by MLSGRID
Member Participants (and their affiliated licensees, if applicable) shall indicate on their websites that IDX information is provided exclusively for consumers’ personal non-commercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, that the data is deemed reliable but is not guaranteed by MLS GRID, and that the use of the MLS GRID Data may be subject to an end user license agreement prescribed by the Member Participant’s applicable MLS if any and as amended from time to time. MLS GRID may, at its discretion, require use of other disclaimers as necessary to protect Member Participant, and/or their MLS from liability.
Based on information submitted to the MLS GRID. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.
Privacy Policy / DMCA Notice / ADA Accessibility
Member Participants (and their affiliated licensees, if applicable) shall indicate on their websites that IDX information is provided exclusively for consumers’ personal non-commercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, that the data is deemed reliable but is not guaranteed by MLS GRID, and that the use of the MLS GRID Data may be subject to an end user license agreement prescribed by the Member Participant’s applicable MLS if any and as amended from time to time. MLS GRID may, at its discretion, require use of other disclaimers as necessary to protect Member Participant, and/or their MLS from liability.
Based on information submitted to the MLS GRID. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.
Privacy Policy / DMCA Notice / ADA Accessibility
This site is hosted, designed and copyright
© 1994 - 2026 by
Delta Media Group, Inc. -- Patent Pending --
Coldwell Banker® and the Coldwell Banker Logo are registered service marks owned by Coldwell Banker Real Estate LLC. C.B. Choice Properties, INC. fully supports the principles of the Fair Housing Act and the Equal Opportunity Act. Each franchise is independently owned and operated. Any services or products provided by independently owned and operated franchisees are not provided by, affiliated with or related to Coldwell Banker Real Estate LLC nor any of its affiliated companies.
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 www.coldwellbankerchoice.com today.