72 B Hummingbird Lane, Groton, MA, Massachusetts 01450. Welcome to Groton's newest Active Adult neighborhood! Part of Robin Hill Estates this new Phase offers 24 quality homes on 9 acres w/ sidewalks & access to over 400 acres of Rocky Hill Wildlife Sanctuary! This home backs up to Town land & has a great backyard for gardening or just enjoying nature! The homes will all offer Moulton Construction's standard quality w/ 9' ceilings, HW in LR, Kit, halls & staircase, carpet in bedrooms, Granite in Kitchen, solid surface in baths, upgraded detailed moldings on 1st floor, walk out basements where possible & attention to details to make aging in place comfortable! 6 Duplex buildings & 12 SF homes. Open flowing floor plan w/ sliders to deck overlooking wooded Town land. 1st floor has a private sunny office, mud room off the garage, 1st floor laundry. 2nd floor offers MANY possibilities. 3 miles to Rte 495. - Kitchen and bath photos of similar homes to show finish. Buyer able to select any finishes not already installed at time of purchase.