Welcome to 16 William Avenue in the Hamlet of Central Islip on a quiet residential street. This charming Expanded Cape Cod dwelling has 1,602 sq ft of living space with Three Bedrooms and Two Full Baths - Eat in Kitchen, Bedroom and Laundry on First Level with Living Room & Dining Room (possible 4th Bedroom); Second Level has been dormered with Two large Bedrooms and Full Bath; Full Basement. Vinyl Siding & Anderson Windows (2022) This home is ideal for an extended family or investor with a fenced rear yard (.21 Acres) and 5 Zone I/G Sprinkler System. Home freshly painted and move-in ready. Conveniently located near schools, shopping centers, Long Island Railroad, and major highways and public transportation. Low Taxes at $10,444 ($9,471 with Basic Star).