Tucked away on a quiet cul-de-sac, 18 Wildwood Drive offers ultimate privacy and 2,260 square feet of beautifully designed living space on an expansive 13,596 square foot lot. This split-level four-bed three-bath home combines architectural character with modern comfort and energy efficiency, featuring owned solar, dual pane windows, central heating and air conditioning, hardwood floors, and a finished garage. The main floor showcases a stunning living and dining area with vaulted ceilings, floor-to-ceiling windows, and a cozy fireplace. A spacious kitchen opens to the family room, creating the perfect setting for everyday living and entertaining. A versatile bedroom or home office with an attached full bath completes this level. The lower level includes a guest suite with its own full bathroom, indoor laundry, and access to the finished two-car garage. Upstairs, the impressive primary suite boasts vaulted ceilings, abundant natural light, and a luxurious spa-inspired bathroom with custom tile, a walk-in shower, and a clawfoot tub. A second upper-level bedroom offers flexibility for family or guests. Surrounded by mature trees and peaceful surroundings, this private San Mateo retreat is a rare blend of comfort, style, and sustainability.