149 Old Mill Court ***OPEN HOUSE- Sunday, March 1st from 2:00-4:00 PM*** Custom-designed and meticulously maintained, this one-level home with a finished basement offers exceptional space, flexibility, and quality upgrades in a beautiful, established neighborhood within the city limits of Kingsport. The home's convenient access to the interstate makes travel to Bristol and Johnson City quick and easy, offering regional connectivity without sacrificing a peaceful residential setting. Outdoor recreation is close at hand with nearby parks, walking trails, lake access, golf courses, and local favorites such as Warrior's Path State Park, Bays Mountain Park & Planetarium, and the Kingsport Carousel, all contributing to a lifestyle that balances convenience, nature, and privacy. The main level features hardwood flooring throughout the living areas and carpet in the bedrooms. The standout kitchen is thoughtfully designed with custom soft-close cabinetry with interior lighting, marble countertops, stainless steel appliances, and an induction cooktop. A spacious pantry sits beside the refrigerator, while the oversized laundry room just off the kitchen adds additional pantry storage and space for a freezer. The primary suite includes a walk-in closet with custom built-ins and a private bath featuring a walk-in shower, soft-close vanity, and updated finishes. Extensive custom built-ins throughout the home - including the office, den, closets, bonus room, and pantry - reflect the quality craftsmanship and attention to detail found throughout. Upstairs, a versatile bonus room provides flexible living or hobby space along with additional attic storage. The finished basement significantly expands the home's functionality, offering a large open recreation area, kitchenette with microwave and refrigerator, a full bathroom, dedicated office, workshop/storage area, and private exterior access through French doors leading to the backyard. Separate HVAC air handlers serve the basement and upper levels for added comfort and efficiency. Outdoor living is equally impressive with a stone front patio, a massive 12x40 rear deck, a fenced yard, and a private wooded backdrop, ideal for entertaining or relaxing in a peaceful setting. Major features and systems include a gas fireplace, gas water heater (2018), vinyl windows, multiple heat pumps (one updated in 2017), and a whole-house generator (2020) that conveys, providing peace of mind and keeping the home powered and comfortable during storms and outages. With flexible living spaces, abundant storage, and custom details rarely found, this home offers exceptional quality, reliability, and convenience, perfectly positioned for both everyday living and easy regional access.