Welcome to 3121 Treeline Dr, a beautifully maintained one-owner home in the desirable Lake Haven neighborhood, within the Franklin Regional School District! The spacious entry opens to a vaulted family room filled with natural light from oversized windows. Upstairs, the private primary suite includes an en suite bath with jetted tub, walk-in shower, dual vanity, two closets, and a 15x12 bonus room - perfect for a home office or lounge. Enjoy your morning coffee on the suite's private balcony overlooking the woods. The kitchen offers ample cabinetry, two sinks, an island, and a breakfast nook, plus a formal dining room. Relax in the cozy living room with fireplace and wet bar, unwind in the den, or entertain on the wrap-around deck. A partially finished basement with a workshop area, oversized garage, and invisible fence add even more value.