Welcome to 892 Onstott Road, nestled in the highly desirable Mesa Oaks community of Lompoc. This beautifully maintained, nearly 2,600 sq. ft. residence offers 4 bedrooms, 3 bathrooms, and sits on over a quarter-acre lot--providing exceptional space, comfort, and versatility. The home features a 50-year composition roof installed in 2004, fully paid solar for energy efficiency and long-term savings, plus air conditioning. Both heating units were replaced in 2012 and offer separate upstairs and downstairs service for optimal climate control. Additional enhancements include a Hague whole-house water filtration system, water softener, and a reverse osmosis system in the kitchen. The kitchen is appointed with granite countertops and a charming eat-in dining area complete with built-in bench seating and cleverly designed storage. It flows seamlessly into the inviting family room, highlighted by a cozy fireplace--creating the perfect gathering space for everyday living. Upstairs, the private main ensuite retreat occupies the entire upper level, offering a peaceful escape. The spa-inspired bathroom includes a dual-sink vanity, freestanding soaking tub, and walk-in shower. Three guest bedrooms are conveniently located on the lower level, along with a full bath and an additional half bath. Designed with both everyday living and entertaining in mind, the home also features a formal living room with a double-sided gas fireplace shared with the family room, a separate dining room, and vaulted ceilings throughout much of the home to enhance the bright, open feel. Additional highlights include a spacious 3-car garage and generous driveway parking. The front yard was thoughtfully landscaped with gopher screening and landscape cloth for easy long-term maintenance. The backyard offers a large, newly landscaped entertaining area along with planting beds ready for your favorite vegetables or garden creations. This Mesa Oaks gem combines comfort, efficiency, and thoughtful design--all in a prime Lompoc location. ***Seller has assumable 1st at a rate of 3.375.