Welcome to 146 Calef Highway in Barrington, NH—a truly unique, iconic property brimming with endless possibilities! This exceptional estate features a fully updated antique colonial seamlessly connected to a 1,300+ square foot commercial space, all set on over 4 acres of prime, elevated, fully cleared land with no wetlands. Enjoy the advantages of around 240 feet of road frontage, a large parking lot on an established gravel pad with a positive drainage system, and the exciting opportunity to add a pre-approved apartment above the existing commercial space. Inside the nearly 3,000 square foot single-family home, you'll discover 4-5 spacious bedrooms and 3 well-appointed bathrooms. The first floor welcomes you with stunning hardwood floors, a cozy fireplace, two living rooms, a dining area, a spacious kitchen with a pantry, a bathroom, and an office space. On the second floor, three bedrooms await, including a luxurious master suite with an en-suite bathroom featuring teak floors, dual vanities, a walk-in shower, and a soaking tub. The finished third floor offers versatile space ideal for additional bedrooms, office, workout room, or more. With separate entrances to different sections, this property is perfectly suited for businesses, multi-generational living, event functions, developments, and investment or rental ventures. Discover the extraordinary potential of this renowned estate—where upscale living meets endless opportunities for both commercial and residential.