Welcome to 103 Hilary Avenue in West Sayville! This beautifully maintained Center Hall Colonial offers the perfect blend of space, comfort, and versatility. Step into the inviting entry foyer with a spacious layout featuring a large living room, an eat-in kitchen with a dining area, natural gas cooking, and a separate laundry room with convenient outside access. The main level also includes a full bathroom and an oversized bonus room with French doors—ideal as a home office, guest room, or so much more! Designed for comfortable living and entertaining, the home features ductless air conditioning on the main level, Wi-Fi thermostats, updated Andersen doors, and newer windows! The fully finished basement expands your living space with a heating system, ductless A/C, a separate entrance, and abundant storage. Upstairs, you'll find four generously sized bedrooms, including a spacious primary suite with a walk-in closet, hardwood floors throughout, and a second full bathroom. Central air conditioning services the upper level, while a pull-down attic provides even more storage space. Outside, enjoy the welcoming front porch, a new paver driveway, inground sprinklers, vinyl siding, and a beautifully maintained property. Additional highlights include a 65-gallon hot water heater, 200-amp electric service, a subpanel in the basement, and a newer septic system! Conveniently located near public transportation, the LIRR, shopping, dining, parks, and so much more this exceptional home offers the perfect opportunity to experience all that West Sayville has to offer!