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.
Listed by John J. Mackin
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James A Netter Real Estate Inc
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631-661-5100
Listed by Richard D. Bocchieri E-PRO GRI ABR
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James A Netter Real Estate Inc
Last updated June 13, 2026
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Source: OneKey #992509
Listing Facts
TypeSingle-family
NeighborhoodWest Islip
Bedrooms4
Bathrooms3
Days on Prevu11
Taxes$15,973/year
Size2,062 sqft
Price per sqft$363
Amenities
Dishwasher
Washer/Dryer
Air Conditioning
Parking
Location
Mortgage Calculator
Listing History
06/04/2026
Listed by James A Netter Real Estate Inc
$748,000
Property Details for 40 Deforest Avenue
Exterior
Construction
Property Condition: Actual, Updated/Remodeled
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
Lot Features: Back Yard, Cleared, Cul-De-Sac, Front Yard, Landscaped, Level, Private, Secluded, Sprinklers In Front, Sprinklers In Rear
Lot Size Acres: 0.29
Lot Size Dimensions: 80,162
Lot Size Square Feet: 12,632
Financial
Taxes
Parcel Number: 0500-472-00-02-00-025-000
Tax Annual Amount: $15,973.00
Tax Year: 2026
Interior
Features
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, Water Purifier Owned
Flooring: Hardwood
Interior Features: 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 Fixtures, Natural Woodwork, Open Kitchen, Primary Bathroom, Recessed Lighting, Storage, Walk Through Kitchen, Washer/Dryer Hookup
Elementary School: Paul J Bellew Elementary School
Elementary School District: West Islip
High School
High School: West Islip Senior High School
High School District: West Islip
Middle or Junior School
Middle Or Junior School: Beach Street Middle School
Middle Or Junior School District: West Islip
Utilities
Equipment
Cooling: Central Air, Wall/Window Unit(s)
Heating: Baseboard, Hot Water, Natural Gas
Laundry Features: Gas Dryer Hookup, Inside, Laundry Room, Washer Hookup
Other Equipment: Compressor, Dehumidifier, Generator, Irrigation Equipment, Lawn Maintenance Equipment
Sewer: Public Sewer
Utilities: Cable Connected, Electricity Connected, Natural Gas Connected, Phone Connected, Sewer Connected, Trash Collection Public, Water Connected
Water Source: Public
Frequently Asked Questions
How many bedrooms and bathrooms does this single-family home have?
There are 4 bedrooms and 3 bathrooms in this single-family home at 40 Deforest Avenue.
What schools are nearby to 40 Deforest Avenue?
Nearby schools include the Paul J Bellew Elementary School, Beach Street Middle School, and West Islip Senior High School.
Does this single-family home have parking?
Yes, there are 2 parking spaces available for 40 Deforest Avenue.
What are the annual taxes for 40 Deforest Avenue?
Annual taxes for this single-family home are estimated at $15,973.
How does 40 Deforest Avenue compare to other single-family homes in West Islip?
This single-family home is listed 48% below the average price for single-family homes in West Islip and has been on the market for 63 less days than the typical home in this area.
What is the square footage on this single-family home?
According to the MLS, this listing is 2,062 sqft.
40 Deforest Avenue is a 4-bedroom, 3-bath single-family home for sale in West Islip NY 11795. Available on Prevu for 11 days at $748,000. This home features 2,062 square feet of living space, located in West Islip. The median listing price for single-family homes in this area is $749,000. Nearby schools include Paul J Bellew Elementary School, Beach Street Middle School, and West Islip Senior High School. Property amenities include dishwasher, air conditioning, parking, and washer/dryer. Explore more single-family home listings in Suffolk County.
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