A home of this caliber is a rare offering in New Britain! 55 Kilbourne Avenue is a custom-built brick residence offering over 3,700 square feet of living space, a first-floor primary suite, purpose-built in-law accommodations, a finished lower level, and an exceptional outdoor setting designed to feel like your own private retreat. High ceilings and generously proportioned rooms define the main residence. The first floor features a spacious kitchen with granite countertops, formal dining and living areas, and a natural gas fireplace. A large additional room, currently used as a bedroom, offers flexibility as an office, den, guest room, or additional living space, with a full bathroom nearby. The first-floor primary suite is privately positioned and features two walk-in closets, an en suite bath, and direct access to the rear patio and pool area. Two additional bedrooms are located on the upper level. Custom closet systems, built-ins, and substantial storage are found throughout the home. The main-level laundry and utility room is particularly well designed, offering extensive cabinetry, counter space, a utility sink, pantry storage, and additional workspace. A purpose-built in-law suite provides a separate living arrangement with its own private access while maintaining an interior connection to the main residence. Originally incorporated into the home's design by the builder for his own family, the suite includes a bedroom, full bath, wet bar, sitting and dining areas,