640 River Street has 23 homes in two multi-unit buildings. Units include 2-bedroom and 3-bedroom layouts. Unit sizes range from 737 to 910 square feet. Residents use a shared Laundry facility. The community has a Pool and a Park. A Bike Path and Public Transportation run near the site. The site offers Highway Access and a Conservation Area. A House of Worship appears among the community features. Pets are allowed. The community is not a senior community. Each building contains multiple homes. The Laundry serves residents in the buildings. The 2-bedroom and 3-bedroom units fit a range of household sizes. The property combines housing with outdoor and transit features. The Pool serves lap swimming and casual use. The Park offers open space for walking and play. The Conservation Area provides natural space near the buildings. These features support daily needs and recreation for residents.
Mattapan sits at the end of the Ashmont–Mattapan light rail line. The area has parks, playgrounds, and sports fields for outdoor play. This district offers local shops, markets, churches, and small restaurants. Community centers and libraries host events and programs for all ages. The area links to downtown Boston via the trolley and a Red Line transfer at Ashmont. Bus routes run along main streets for local trips. Short drives reach larger retail centers and medical services nearby. The district offers easy transit access.