Welcome to 12870 Fremontia Avenue—a turnkey single-story home in Grand Terrace with thoughtful updates, a flexible floor plan, and a spacious backyard. This 3-bedroom home offers a versatile bonus room/den that can function as a home office, playroom, guest space, or potentially be converted back to a fourth bedroom to suit your needs. The home has been thoughtfully updated with a NEW roof, electrical improvements including a NEW electrical box and subpanel, updated outlets, NEW carpet in the bedrooms, and updated plumbing in both showers. The kitchen features quartz countertops, while the bathrooms have been remodeled for a fresh, move-in-ready feel. A 2-car attached garage, central AC, fireplace, and no HOA add everyday convenience. Outside, the larger backyard provides room to entertain, relax, garden, or create the outdoor space you've been looking for. The single-story layout and functional floor plan make this home easy to live in today while still offering flexibility for the future. Conveniently located near major freeways, shopping, dining, schools, and everyday amenities, this is an opportunity to own a well-maintained, updated home in an established Grand Terrace neighborhood. If you're looking for a home where many of the major updates have already been taken care of—and where you can move in and make the space your own—this one is worth seeing.