Welcome to 21 Thornton St, Unit 1! This stunning 2024 new-construction duplex condo offers 4 bedrooms, 3 baths, and a finished basement in an exclusive 6-unit building. Built by a trusted local builder, this home features an open-concept living and dining area, a modern kitchen with premium appliances, and beautiful hardwood floors throughout. The spacious primary suite includes a private ensuite bath, while the lower level in-law provides incredible flexibility with an additional bedroom, full bath, office, flex room, and a kitchenette—ideal for entertaining or guests. Enjoy in-unit side-by-side laundry, oversized private basement storage, a shared rear patio, and high ceilings! Conveniently located less than a mile from Route 1A, Revere Beach T Station, and Revere Beach. Motivated seller—schedule your showing today!