Welcome to 460 Jefferson Street, a spectacular, fully gut-renovated Colonial-style home with 2,800 sq. ft. of luxury living space on a generous 10,000 sq. ft. lot (0.23 acres) in Westbury, Nassau County. Spanning three finished levels above ground plus a fully finished basement, this residence features 6 spacious bedrooms, 3 fully modernized bathrooms, brand-new siding, and high-end contemporary finishes throughout. A welcoming grand foyer with a designer staircase that flows into an expansive open-concept living area and formal dining space with rich hardwood flooring and sleek black-trimmed windows. Custom white shaker cabinetry, quartz countertops with a waterfall-edge center island, full tile backsplash, stainless steel appliances (dishwasher, microwave, refrigerator), and direct access to an oversized outdoor terrace. Main Floor includes a convenient 1st-floor bedroom and a luxurious full bathroom featuring custom stone tile work, floating vanity, and frameless glass shower enclosure. Second Level features 3 additional light-filled bedrooms and 2 fully updated designer bathrooms, including a primary-style retreat with direct access to a private second-story balcony. Third Level features 2 additional flexible upper-level bedrooms with walk-in closet space, perfect for extra accommodations or home office setups. Expansive, fully finished lower level with light flooring, recessed lighting, laundry facilities, and adaptable space for recreation or storage. Exterior & Eco-Friendly Systems. Fully electric utilities completely free of oil tanks and natural gas. Central Air Conditioning for year-round climate control, public water, and public sewer connections. Fresh exterior makeover with brand-new crisp white siding and black accents, a long private asphalt driveway leading to a detached 1-car garage, multiple outdoor deck/terrace spaces, and a level lawn. Zoned for Westbury Union Free School District with quick access to local shopping, dining, parks, and major highways.