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40 Deforest Avenue West Islip, NY $ 799,990
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40 Deforest Avenue
$ 799,990
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Open House 6/6 12pm - 2pm
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40 Deforest Avenue

West Islip, NY, 11795
$ 799,990
Bedrooms4 Baths3.0 Sq 2,062

Monthly Estimate*

$ 4,926

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Single Family Home for sale in West Islip, NY

for $799,990 with 4 bedrooms and 3 full baths. This 2,062 square foot home was built in 1923 on a lot size of 0.29.

Discover this wide line Expanded Ranch nestled on a dead-end street south of Montauk Highway in desirable West Islip hamlet. This spacious 2,064 Sq. Ft. of living space home boasts 4 bedrooms and 3 full baths set on a 0.29-acre lot, equipped with in-ground sprinklers and a 5-zone heating system, alongside a split air conditioning system for year-round comfort. Step inside to find stunning cherrywood hardwood floors, enhanced by recessed lighting and ceiling fans for comfort and style. The oversized living room and dining room create the perfect setting for gatherings. This home offers a full unfinished basement and crawl space. For car enthusiasts, the oversized 2 car detached garage comes equipped with an automobile lift. With a 200-amp service, this home combines vintage appeal built in 1923 with modern conveniences.

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Open House

6/6/2026 12:00 PM - 2:00 PM
40 Deforest Avenue West Islip, NY
* Some states or local ordinances may prohibit Open Houses at this time, please confirm with your Weichert agent or local rep to confirm
Single Family Active

Price

$ 799,990

Bedrooms

4

Full Bath

3

Property Type

Single Family

Taxes

$ 15,973

Style

Exp Ranch

Lot Size

0.29

Year Built

1923

Town/City

West Islip

County/Region

Suffolk

MLS | Web ID

992509
Features
Interior
Interior Amenities First Floor Bedroom First Floor Full Bath Built-in Features Ceiling Fan(s) Chandelier ENERGY STAR Qualified Door(s) Formal Dining High Ceilings High Speed Internet Kitchen Island Low Flow Plumbing Fi
Basement Crawl Space Full Unfinished
Flooring Hardwood
Total Fireplaces 0
Fireplace Features None
Basement Features Crawl Space Full Unfinished
Basement (Y/N) Y
Window Features Aluminum Frames Bay Window(s) Blinds Double Pane Windows ENERGY STAR Qualified Windows Insulated Windows New Windows Oversized Windows Screens Tilt Turn Windows Triple Pane Windows
Fireplace Y/N N
Half Baths 0
Total Bedrooms 4
Total Baths 3
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General
Sewer Public Sewer
Heating Baseboard Hot Water Natural Gas
Cooling Central Air Wall/Window Unit(s)
Utilities Cable Connected Electricity Connected Natural Gas Connected Phone Connected Sewer Connected Trash Collection Public Water Connected
Appliances Cooktop Dishwasher Dryer Electric Oven Electric Range ENERGY STAR Qualified Appliances Freezer Gas Cooktop Microwave Oven Range Refrigerator Stainless Steel Appliance(s) Washer Indirect Water Heater
Garage Spaces 2
Architectural Style Exp Ranch
Security Features Smoke Detector(s) Video Cameras
Construction Materials Vinyl Siding
Year Built 1923
Property Subtype Single Family Residence
Tax Year 2026
Parcel Number 0500-472-00-02-00-025-000
County Suffolk County
Property Type Residential
HOA N
Facing Direction East
Garage Y/N Y
Other Structures Garage(s) Shed(s)
Total Rooms 10
Full Baths 3
Directions Montauk Highway to Deforest Avenue.
High School West Islip Senior High School
City Islip
Disclosures Lead Paint Other Disclosures Seller Property Disclosure
Senior Community Y/N N
High School District West Islip
Carport Spaces 0
Carport Y/N N
Elementary School Paul J Bellew Elementary School
Property Attached Y/N N
Tax Annual Amount 15973
Middle/Junior High School Beach Street Middle School
Property Condition Actual Updated/Remodeled
Building Area Units Square Feet
Standard Status Active
Middle/Junior School District West Islip
Elementary School District West Islip
Tax Lot 25
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Exterior
Exterior Amenities Awning(s) Basketball Hoop Mailbox Playground
Fencing Back Yard Chain Link Fenced Vinyl
Parking Features Detached Driveway Garage Garage Door Opener Heated Garage Oversized Private Detached Driveway Garage Garage Door Opener Heated Garage Oversized Private
Water Source Public
Total Parking 11
Inclusions Auto lift compressor lawn mower lawn equipment bedroom set upstairs dresser
Parking Spaces 11
Foundation Details Block
Spa N
Building Area Total 2524
Waterfront Y/N N
Door Features Storm Door(s)
Road Frontage Type Municipal
Other Equipment Compressor Dehumidifier Generator Irrigation Equipment Lawn Maintenance Equipment
Road Responsibility Public Maintained Road
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Internal Only
Street Number 1 40
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* Excluded Features
List By
John J. Mackin

Listing Agent

Netter Real Estate Inc

Broker

631-661-5100

Contact

Affordability Calculator

$6,257
Per Month
79%
21%
0%
Monthly Principal & Interest
$4,926
Monthly Property Taxes
$1,331
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
4101384 Elementary School
4099647 Middle School
West Islip Senior High School High School
See complete school information
Pricing History
DatePricePrice ChangeDescription
6/4/2026$799,990 Listed Price

Map

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40 Deforest Avenue, West Islip, NY, 11795 is a Single Family Home for sale at $799,990 with 2,062 sqft and a lot size of 0.29. 40 Deforest Avenue has 4 bedrooms, 3.0 baths, and was built in 1923. The property's zip code is 11795 which is in West Islip, NY

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