Welcome to 637 Andrew Hill Road, a beautifully maintained end-unit townhome ideally situated on the 16th fairway of Bay Hills Golf Club in one of Arnold's most sought-after communities. This spacious home offers 4 bedrooms, 3 full baths, 1 half bath, and a 2-car garage, combining generous living space with an exceptional golf course setting. The open main level features gleaming hardwood floors, a beautifully updated kitchen with granite countertops, stainless steel appliances, a large center island, and abundant cabinetry. The adjoining family room offers a cozy gas fireplace and custom built-ins, while oversized windows fill the home with natural light. Upstairs, the expansive primary suite features a vaulted ceiling, two walk-in closets, and a private en-suite bath. Two additional bedrooms, a full hall bath, and a convenient upper-level laundry area complete the second floor. The finished lower level includes a fourth bedroom, full bath, and flexible living space ideal for a guest suite, home office, recreation room, or fitness area. Step outside to the spacious rear deck overlooking mature trees and the 16th fairway of Bay Hills Golf Club, creating the perfect setting for morning coffee, outdoor dining, or simply enjoying the peaceful surroundings. Additional improvements include a new roof installed in 2024, a newer HVAC system, and a plumbed-in generator providing added value and peace of mind. Conveniently located just minutes from Broadneck schools, shopping, dining, downtown Annapolis, commuter routes, and the Chesapeake Bay, this exceptional home offers the perfect blend of comfort, convenience, and golf course living.