A thoughtfully updated Mill Valley retreat with iconic Mount Tam views, 324 Sheffield blends elevated design with everyday livability. This 3 bed, 2.5 bath home (1,902 sqft plus 302 sqft bonus space) is remodeled for light, flow, and functionperfect for relaxing or hosting. Wide-plank hardwood floors lead through airy spaces; the kitchen features high-end appliances and custom cabinetry; baths are finished with designer tile and fixtures. A wood-burning fireplace warms the living room, while the dining area opens to a spacious view deck overlooking the flat yard and herb garden. Upstairs, the primary suite has a walk-in closet, ensuite with double vanity, and private balcony with hillside views. Two additional bedrooms offer generous proportions, new carpet, and Elfa-organized closets. The 302 sqft bonus space with 8' ceilings and private entrance offers rare flexibilityideal as a fourth bedroom, office, media room, or potential ADU (buyer to verify). Attached two-car garage with EV charging, laundry, and built-in storage keeps gear organized. Comfort features include central A/C, solar panels with backup battery, and a sunny, quiet setting just steps from the Hawk Hill lookout, Tam Junction favorites, and top Mill Valley schoolsthis is Mill Valley living at its best.