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MLS ID KEY1042103Last updated Sep 25, 2026

Single Family

1107 Jefferson Avenue

Pending · Islip · Suffolk County, NY 11795

Bedrooms
4 Beds
Bathrooms
3 Baths
Year built
1959
Est. monthly taxes
$1,543.83
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About this home

Welcome To 1107 Jefferson Avenue. This Unique And Spacious Home Offering Approximately 3,576 Square Feet Of Total Living Space On A Tremendous Property Just Shy Of Half An Acre. Featuring 4 Bedrooms And 3 Full Bathrooms, This Home Offers An Incredible Amount Of Space And Flexibility. The Main Home Features An Expanded Eat-In Kitchen With Breakfast Nook, Large Family Room, Hardwood Floors, Gas Heat, And A Completely Renovated Finished Basement With A Brand New Full Bathroom. One Of The Standout Features Is The Separate Legal Living Space Located Above The Oversized 4-Car Heated Garage. This Private Area Includes A Living Room, Eat-In Kitchen, Bedroom, And Full Bathroom, Making It An Excellent Setup For Extended Or Multigenerational Living. Outside, Enjoy The Expansive Property, Ipe Brazilian Wood Deck, And Semi-Inground Pool With A New Liner. Additional Features Include 200 Amp Electric Service And Solar Panels To Help Reduce Electric Costs. With Nearly Half An Acre, Over 3,500 Square Feet Of Living Space, A 4-Car Heated Garage, And A Flexible Layout, This Is A Rare Opportunity In West Islip.

Listing snapshot

Days on site
33 days
Listed on MLS
Aug 26, 2026
Full baths
3
Half baths
0
Annual property tax (MLS)
$18,526
Tax year
2026
Area source (MLS)
Public Records
Listing brokerage
Signature Premier Properties
MLS ID
KEY1042103
Last updated
Sep 25, 2026

General features

Property type
Single Family
Property subtype
Single Family Residence
Year built
1959
Garage
Yes
Garage spaces
4
Parking
Driveway, Garage
Water source
Public
Sewer
Public Sewer
Utilities
Cable Connected, Electricity Connected, Natural Gas Connected, Phone Connected, Sewer Connected, Water Connected

Interior features

Basement
Finished, Full
Heating
Natural Gas
Cooling
Central Air, Wall/Window Unit(s)
Interior
First Floor Bedroom, First Floor Full Bath, Entrance Foyer, Formal Dining, Recessed Lighting, Storage
Appliances
Dishwasher, Dryer, Microwave, Oven, Range, Refrigerator, Stainless Steel Appliance(s), Washer, Gas Water Heater
Flooring
Hardwood, Tile, Vinyl

Exterior features

Architectural style
Exp Ranch
Construction materials
Frame, Vinyl Siding
Private pool
Yes

Schools (MLS)

Elementary school
Manetuck Elementary School
Elementary school district
West Islip
Middle school
Udall Road Middle School
Middle school district
West Islip
High school
West Islip Senior High School
High school district
West Islip

School information is provided by the MLS. Confirm attendance eligibility with the school district.

Recent activity

  1. First seen on this site
  2. Listing updated from MLS
  3. MLS status changed

Location

Islip · Suffolk County, NY 11795Show interactive map
1107 Jefferson Avenue

Islip · Suffolk County, NY 11795

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Estimate monthly payment

Loan detailsFixed-rate, fully amortizing loan. Edit the assumptions below; no market rate is supplied.
Property expenses (USD)
MLS amounts are prefilled when available and can be edited. Confirm what fees include. Unknown fee frequencies cannot be converted automatically.Property expenses: MLS values where available; missing values stay blank.

Estimated monthly principal & interest—

Monthly property taxNot provided

Monthly association / maintenance feesNot provided

Estimated monthly total of entered costs—

Excludes insurance, mortgage insurance, special assessments and lender fees. MLS taxes may reflect abatements or exemptions and can change.

Listing data is supplied by the MLS and may change without notice.