Welcome To 17 Diane Court, Nesconset — A Beautifully Maintained 4 Bedroom, 2.5 Bath Home Nestled In The Smithtown East School District. This Home Combines Comfort, Quality, And Modern Upgrades Throughout Including A Brand New Kitchen With Stainless Steel Appliances & Quartz Countertops. The First Floor Features A 24,000 BTU Mini Split Installed In 2021, While The Second Floor Offers Central Air Conditioning. Recent Updates Include A New Rear Sliding Glass Door (2025), Custom Window Treatments (2024), New Front Door (2021), And Cambridge Paver Walkway And Steps (2021). Additional Improvements Include A 10-Zone In-Ground Sprinkler System (2020), New Roof (2018), And Replaced Cesspool Lines (2019). The Home Is Also Equipped With A Whole-House Surge Protector For Added Safety. Enjoy A Fully Fenced Yard With PVC Fencing. This Exceptional Property Offers Style & Functionality!