For rent by Landlord. Sunny Back Bay penthouse 2 bedroom, 1 bathroom condo. Amenities included: dishwasher, hardwood floors, stainless steel appliances, updated kitchen and bathroom, washer dryer in unit, elevator in building, and window a/c units provided. Utilities include: heat and hot water. Windows on 3 sides with commanding views of Marlborough St, Downtown, and the Fenway Neighborhood. Close proximity to Hynes Convention Center T Stop, Newbury St, MIT, Longwood Medical Area, and walking/bike paths along the Charles River. Date Available: Nov 15th 2025. Move in date flexible. $4,200/month rent. $1,000 security deposit required. Please submit the form on this page or contact Matthew Ginsburg at or email: to learn more. This property is managed by a responsible landlord using Avail landlord software.
421 Marlborough St is located in Boston, Massachusetts in the 02115 zip code.