Luxury unlike any other on the market, this exceptional 4 bed/3.5 ba Colonial is situated just steps from Mill Pond Reservoir. Elevated finishes & custom craftsmanship throughout, including stunning millwork, built-ins & thoughtfully placed herringbone details. The grand chef’s kitchen features a massive quartz island & decorative tray ceiling accented by wood beams, flowing seamlessly into the formal dining room & spectacular great room w/ soaring ceiling, fireplace & nature views through sliders to the expansive deck. The main level also includes a dedicated office, oversized pantry, mudroom & half bath. Upstairs, 4 spacious bedrooms include the luxurious primary suite w/ two walk-in closets, a generous sitting area w/ fireplace & spa-like bath featuring a soaking tub & glass-enclosed shower. A guest bath w/ double vanity & a convenient laundry room complete the level. The walk-up attic provides abundant additional storage. The finished lower level offers a family room w/ wet bar, full bath & dedicated home theater, and sliders leading to a patio w/ built-in firepit & private, fenced yard. A huge 2-car garage and separate workshop provide ideal spaces for hobbies, projects, or additional storage. Landscape lighting adds a warm, inviting ambiance after sunset. Nature lovers will appreciate having Mill Pond Reservoir’s trails & protected woodlands just outside the door, offering endless opportunities for walking, running, birdwatching & fishing. 15 Wellesley Avenue is a truly remarkable home where sophisticated design, exceptional amenities & an unbeatable natural setting come together. First showing at the first Open House on Saturday, 10/17, from 10:30 AM to 12:00 PM - No Exceptions. Offers due by Tuesday, 10/20, at 2:00 PM.