Welcome to 100 Leyden Street in desirable Orient Heights! This property has convenient access to highways and minutes to downtown Boston via Sumner or Ted Williams Tunnel. Close to local shops, restaurants, transportation, parks, and waterfront with a five minute walk to the Orient Heights T. This well-maintained single-family home offers the versatility of a spacious 3-bedroom owner’s unit plus finished first floor for extended living, making it an ideal opportunity for extended family. The extended living area features it's own front entrance, bedroom, full kitchen and bathroom plus it's own laundry area. The main residence features three bedrooms, gleaming hardwood flooring throughout, and a bright, inviting layout with mud room, dining room, living room and updated kitchen with island. The property has been thoughtfully maintained with numerous recent updates, including a newer roof, utilities and appliances. Enjoy outdoor living with a concrete patio and partially grassed yard, perfect for relaxing or entertaining. This is a legal single family with extended living space.