733 Mockingbird Drive Enjoy exceptionally low electric bills thanks to paid-off solar panels! Welcome to Timberbrook, one of Lewisville's most established neighborhoods with no HOA. This well-maintained 3-bedroom, 2-bath home offers thoughtful updates, outstanding energy efficiency, and a spacious bedroom extension that creates valuable flexibility for a larger bedroom, bonus space, home office, guest retreat, or multi-generational living. Enjoy a spacious, fenced backyard perfect for relaxing, entertaining, or pets. Designed with efficiency in mind, this home features a Lennox 5-stage heat pump with HEPA filtration, a radiant barrier, additional attic insulation, recent ductwork with bedroom returns, Woodbridge dual-pane energy-efficient windows with a transferable 10-year warranty, and Woodbridge soffit and fascia with a 50-year transferable warranty. These high-quality improvements work together to maximize comfort while keeping utility costs impressively low. Inside, you'll find beautiful quartz countertops, a functional floor plan, and a home that has been lovingly maintained and upgraded where it matters most. If you're looking for comfort, efficiency, flexibility, and long-term value in an established neighborhood, this Timberbrook gem is one you won't want to miss!