Welcome to 21 Lambert Ridge located in desirable Michelle Estates! This 5 bedroom/3.5 bath colonial home offers 4, 488 sq ft of elegant space set on 1+ acre of lush property in the Award-Winning Katonah-Lewisboro school district. Enter the two-story foyer w/hardwood flooring to your formal living room w/WBF, dining room, home office w/custom built-ins, family room w/sliders to expansive deck, eat-in kitchen w/breakfast nook & work station. Laundry room w/side entrance & two car garage complete the first floor. Upstairs your primary ensuite w/tray ceiling, custom window seating & large walk-in closet. Primary bathroom w/jacuzzi, shower & dual vanity. Spacious ensuite bedroom w/built in cabinetry & cedar closet plus three additional bedrooms & full bathroom. The lower level w/home office & media area w/sliders to bluestone patio to expansive backyard w/mature plantings throughout & additional storage. Close to town, Cross River Shopping Plaza and Katonah Village, Metro North and I-684.