Private, gated, executive retreat, beautifully sited on just under an acre in highly desirable Waban. Brand new, sensational home featuring fabulous open floor plan combining contemporary elements & traditional style. With over 8700 finished sqft on three elegant levels, 70 Helene is ideal for both full scale entertaining as well as comfortable family living. The front door opens to a double height foyer that flows into the family room lined w french doors. The show-stopping, chefs kitchen is equipped with Thermador appliances, custom cabinetry & waterfall quartz island. Spectacular & unique floating staircase to the 2nd floor, highlighted by exquisite Primary Suite w dressing room, 2 walk in closets & state of the art bath. Fully finished walk out lower level living offers seamless indoor/outdoor access to wet bar, expansive stone patio, & secluded backyard w/ pool site. Heated driveway & floors, enhanced security w AV surveillance/safe room, smart home tech, meticulous landscape.