Built in 1958, this classic San Francisco tunnel entry home embodies mid-century charm with modern updates. Elevated above the street, it offers a bright, airy layout, timeless details, and seamless indoor-outdoor flow. Just blocks from McLaren Park, the home balances neighborhood calm with quick access to downtown and beyond. The main level features 3 bedrooms and 2 baths above the garage. An open kitchen with stainless appliances and a dining area framed by large windows invite natural light throughout the day. Hardwood floors, skylights, and clean architectural lines highlight its character, while solar, dual-paned windows, and built-in cabinetry add modern comfort. The lower level provides flexibility with a converted in-law suite including 1 bedroom, office, bath, and spacious living area ideal for guests, extended family, or a home office. A sunny backyard and deck create the perfect setting for al fresco dining or weekend relaxation. The one-car garage includes laundry hookups and stackable washer/dryer and an EV charger. With nearby parks, playgrounds, BART, and major freeways, 280 Madison blends style, convenience, and lifestyle.