Welcome to 4 Kato Summit, a stunning Contemporary Colonial set on a majestic 1.38 beautifully landscaped acre setting in one of Sudbury’s most sought after ngbhds. This 4,795 sq ft residence offers the perfect blend of luxury, comfort & functionality. The dramatic two-story foyer flows into a sun-drenched open-concept floor plan. The living rm is elegant & the soaring 2 story frplc'd familyrmm is framed by walls of windows, bringing the outside in! A chef's dream kitchen boasts Thermador & Sub-Zero appliances, custom cabinetry & generous prep space. Stately 1st flr home office w/french drs, a banquet sized dngrm w/scrnd porch access & a view of the private rear yard where you can practice your short game on your own putting green. The primary suite is a true retreat with a tray ceiling, spa-like bath, dressing rm & large walk-in closet. 2nd Flr Bonus/5th BR option. A Finished lower level provides ideal flex space for a home gym, media room or playrm. Super deck area too!