Welcome to 831 Mayflower Street in Duxbury! Builder’s own home! Built in 2015, this beautifully maintained 4-bedroom, 2.5-bath Cape is set on a professionally landscaped lot bordering conservation land. This custom home features a primary suite with dual walk-in closets and a ceramic tiled bath. The gourmet kitchen offers custom cabinetry, granite countertop and stainless-steel appliances. Relax in the vaulted ceiling family room or entertain in the beautiful formal dining room. Additional amenities include hardwood floors, custom interior moldings, and a propane fireplace. The finished lower level adds 745 sq. ft. of living space with a designer media room and 30′ mirrored fitness area. New furnace installed in January 2026 and central A/C throughout. Enjoy walking trails right next door—perfect for dog lovers! Conveniently located near Route 3, shopping, beaches, golf, medical facilities, and commuter rail. Accompanied showings by appointment only.