Welcome to this beautifully upgraded mountain retreat set on an expansive lot of two combined parcels, offering unmatched space, privacy, & flexibility. This versatile home features two separate units (which can easily be converted into one huge unit if you so prefer), making it ideal for multi-generational living, rental income, or guest accommodations-all while enjoying serene tree and lake views. Step into an inviting open-concept living area with vaulted ceilings, abundant natural light & a charming brick fireplace. The layout flows seamlessly into the dining area & kitchen, creating a perfect setting for gatherings. The upper unit includes 3 spacious bedrooms and 2 full bathrooms. The luxurious primary bedroom with a spa-style bathroom features a freestanding soaking tub, modern tile work, new vanity, and custom built-in cabinetry. This unit boasts a spacious deck with curved glass panels to maximize lake & treetop views. The thoughtfully renovated lower unit offers a brand-new kitchenette, a full bathroom & spacious bedroom with a half bath and direct outdoor access. This unit enjoys its own private deck with exclusive stair access, curved glass panels framing the tree and lake views, a relaxing outdoor seating area with two hanging chairs. A shared laundry room is conveniently accessible to both units. No detail was overlooked in improving comfort, efficiency & style: New split-system A/C unit, Ceiling fans in every room, Complete electrical upgrade, including new sub-panel, switches, and outlets, All ceilings insulated and drywalled, replacing outdated finishes, New windows and sliding glass doors throughout, Tankless water heater for energy efficiency, New vinyl flooring installed throughout, Critical foundation & structural enhancements have been completed, ensuring long-term stability & peace of mind. Deck & outdoor enhancements include: deck railings raised to meet current building codes, curved glass panels installed on both decks to preserve unobstructed scenic views, lower unit features an entirely private deck with separate entry, new security gates installed to fully enclose & distinguish each unit. Whether you're seeking a full-time residence, a vacation home, or a dual-income investment property, this beautifully modernized Crestline gem offers exceptional versatility and comfort. With its expansive lot, thoughtful upgrades, and serene mountain surroundings, this mountain home is truly a rare find. Furnishings are negotiable.