Pristine 4-Bedroom 3.5-Bathroom Colonial offers exceptional curb appeal and meticulously landscaped 1.23-acre lot. With nearly 3,700sf of living and entertaining space, this gracious home boasts high ceilings, oversized windows with plenty of natural light and countless recent upgrades.  Kitchen features premium stainless appliances, spacious breakfast peninsula, and eat-in area with deep bay window with glass doors to Deck; open to Family Room with skylights, walls of windows, fireplace, and wall-to-wall built-ins.  Flexible 1st floor room for Home Office, Pantry or Laundry Room.  Luxurious Master Suite with walk-in closet and jetted tub tucked into Palladian bay window. Lower Level equipped with Mudroom, wet bar, Entertainment/Media Spaces, and full Bath. Pre-plumbed walk-up Third Floor offers expansion potential. Private, fenced backyard oasis complete with spacious Deck and fieldstone retaining wall. Convenient access to Rts 2 (Cambridge/Boston,) 95 & Lexington's vibrant downtown.