Welcome to 805 Finch Avenue in McKinney, Texas-an exceptional opportunity on just over 0.424 acres offering space, flexibility, and thoughtful updates throughout. The main home features 3 bedrooms and 2 full baths with a functional layout designed for both everyday living and entertaining. At the heart of the home is a beautifully upgraded kitchen with custom cabinetry, marble countertops, and an expanded open-concept great room. Enjoy true indoor-outdoor living with a large front patio perfect for morning coffee and connecting with neighbors, along with a spacious back deck ideal for relaxing or hosting. The expansive yard features mature shade trees, privacy fencing, and generous green space-creating a peaceful, energy-efficient setting. A standout feature is the detached 548 sq.ft. ADU- Carriage House, added in 2020, complete with a kitchenette, full bath, living area, and washer & dryer hookups. Perfect for guests, multigenerational living, a private office, or potential rental income, this space offers incredible versatility. The property also includes a fully equipped workshop with insulation, HVAC, and hardwired internet. Extensive updates include foundation leveling and roof replacement (2019), energy-efficient vinyl Low-E windows, tankless water heater, refinished flooring, and interior & exterior paint with a 2026 refresh. Bathrooms have been updated with marble flooring, tile, and modern fixtures, plus smart switches and updated lighting throughout. Located just a short walk from Historic Downtown McKinney, with shopping, dining, and community events nearby, plus quick highway access and walkability to elementary and middle schools. Enjoy a welcoming neighborhood atmosphere and simple moments like watching birds gather in the Japanese maple outside your kitchen window. With its rare blend of land, location, flexibility, and upgrades, 805 Finch Avenue offers the charm of McKinney living with the functionality today's buyers are looking for.