Welcome to this beautifully updated and expanded Colonial, ideally situated on a quiet tree-lined street in the heart of Jericho, offering the perfect blend of timeless charm, modern amenities, and exceptional living space. Located within the highly acclaimed Jericho Union Free School District, this move-in-ready home presents a rare opportunity to enjoy one of Long Island's most sought-after communities. Boasting substantial living space plus a finished basement, this spacious residence features 4 bedrooms and 2 full bathrooms, thoughtfully designed to accommodate today's lifestyle. The home has been expanded and improved over the years, including a substantial rear addition, dormer expansion, and a comprehensive renovation that enhanced the kitchen, bathrooms, and interior finishes throughout. The welcoming interior offers bright and comfortable living spaces, an updated kitchen, renovated baths, and a flexible floor plan ideal for both everyday living and entertaining. The finished basement provides valuable additional space for a recreation room, home office, gym, or media area. Major improvements include a newer roof, central air conditioning, gas heating system, and a recently replaced hot water heater, offering peace of mind for years to come. Fresh interior paint throughout further enhances the home's clean, modern appeal. Situated on a beautifully maintained property with a detached one-car garage, private backyard, and outdoor living space, this home combines comfort, convenience, and functionality. All permitted improvements have Certificates of Occupancy on file. Conveniently located near shopping, dining, parks, transportation, and major roadways, 4 23rd Street offers an exceptional opportunity to own a beautifully updated home in one of Nassau County's most desirable neighborhoods. Move right in and enjoy all that Jericho living has to offer.