21139 Simi Valley Dr Spacious two-story home on a corner lot in desirable Encino Forest in North Central San Antonio, offering flexible living, extensive upgrades, and strong location benefits. The main level includes a dedicated office with French doors, formal and casual living spaces, a large dining area with custom dry bar and built in shelving, and a family room with fireplace and prewired media setup. The kitchen includes an island, updated soft close drawers, Rev A Shelf pullout, abundant cabinetry, and adjacent breakfast area. A sunroom adds valuable enclosed flex space and offers options for a second sitting area, reading room, hobby space, workout area, or additional living space, while improving connection to the backyard and outdoor living areas. The generous primary suite includes a large arched window, updated air return for improved comfort, and spacious bath layout. Upstairs includes secondary bedrooms, updated Mohawk laminate flooring. The fourth bedroom includes a bonus space that can be used for a craft area, sitting room, or flex space. Extensive interior improvements include recessed LED lighting, updated switches, upgraded outlets, ceiling fans, new door hardware, crown molding, chair rail detailing, and updated guest bath tile flooring. Major system improvements include upgraded attic insulation to R 38, HVAC enhancements including duct improvements, custom plenum, UV light, condenser hard start kit, drain float switch, and duct cleaning. Plumbing improvements include pressure reducing valve, expansion tank, and repaired kitchen sewer drain beneath foundation with the remainder of a transferable one-year warranty. Google Fiber available. Water softener system rebuilt. Outdoor features include a 15 x 13 concrete patio, mature trees, fenced backyard, and usable yard space. Exterior improvements include James Hardie Cedarmill siding, Simonton 5500 dual pane Low E windows, updated trim, and exterior paint improvements. Convenient access to Highway 281 and Loop 1604 supports efficient commuting to major employment centers, shopping, dining, medical services, and everyday conveniences. Nearby amenities include H E B, Stone Oak retail and restaurant destinations, and Methodist Stone Oak Hospital. Regional access to Joint Base San Antonio locations adds broader connectivity. Includes 3D walkthrough and floor plan.