Welcome to 403 William Plummer Street, an impeccably maintained remarkable colonial in the desirable Royal Oaks of New Market! This STUNNING home boasts 4 bedrooms plus large den/possible 5th bedroom, 3.5 bathrooms, and 3,400 square feet of beautifully finished space! The light-filled main level includes a grand two story foyer, gleaming hardwood floors, fresh neutral paint, formal living/dining room, private office space, open concept kitchen with granite counters, breakfast area, family room with gas fireplace, and laundry room/mud room leading to the oversized two car garage. Walk out to the lovely deck leading to your very own backyard oasis complete with 5 year young custom low maintenance saltwater pool with concrete patio, high end professional landscaping, and huge flat fenced yard. Upper level features a large primary bedroom with huge walk-in closet and en suite with dual sinks, separate shower, and soaking tub, three additional spacious bedrooms, and guest bathroom. Fully finished basement features a kitchen with dishwasher, sink and small refrigerator, tons of space for play or entertaining, a possible 5th bedroom or den, full bathroom, and loads of storage. Other highlights include: 4 years young architectural roof, new HVAC, water softener system, and double door 8x12 shed. If you are looking for a home with tons of space and a pool in an incredible neighborhood, walking distance to shops and restaurants, and top rated schools, you have found THE ONE!