Welcome to 1135 Naples Street, an exceptional tunnel-entry residence blending timeless San Francisco character with generous proportions and remarkable versatility. The elegant upper level features three bedrooms and one-and-a-half bathrooms, beautifully preserved hardwood floors, abundant natural light, and well-preserved period millwork throughout, including substantial baseboards, window and door casings, built-in cabinetry, and rich wood trim. A gracious living room is anchored by a stately brick fireplace with integrated built-ins, while the formal dining room creates an impressive setting for intimate dinners and larger gatherings. The expansive kitchen offers abundant cabinetry, generous preparation space, a gas range, and refrigerator. At the rear, a light-filled bedroom opens directly to a private balcony with stairs leading to the backyard. The lower level offers a two-bedroom, one-bath in-law suite complete with its own living room and kitchen. A separate rear studio with a private bathroom provides additional flexibility for extended family, guests, a secluded home office, or a creative retreat. Designed for comfortable city living, the home features central heating, washer and dryer in the one-car garage, a convenient side entrance to the garage and lower-level spaces, and an expansive paved driveway accommodating up to three vehiclesan extraordinary San Francisco convenience. The oversized backyard presents an inviting outdoor escape with abundant room for gardening, entertaining, or creating a private urban oasis. Its established planting areas offer an ideal canvas for the avid gardener. Ideally positioned near neighborhood shopping, dining, and everyday conveniences along Geneva Avenue and Mission Street, the property is also close to Geneva Community Garden, Crocker Amazon Playground, and McLaren Park. Nearby Muni service, access to BART, and convenient connections to Highways 280 and 101 provide effortless travel throughout San Francisco and the Peninsula.