A 15-unit condominium community in Back Bay, Boston.
Market figures reflect closed sales over recent sales. Data sourced from MLS PIN.
191 Commonwealth Avenue Condominium comprises 15 units within Hotel Agassiz, a former historic landmark building in Boston's Back Bay neighborhood. The conversion preserves the building's original architectural character while offering full-service residential living. Recent sales data reflects a median price of $2,075,000, with units averaging $775 per square foot and spending approximately 167 days on the market.
Units at 191 Commonwealth Avenue range significantly in size and bedroom count. Entry-level residences offer approximately 1,700 square feet with three bedrooms plus a study, while mid-range units provide 2,300+ square feet with three bedrooms and three full bathrooms. Larger offerings include floor-through layouts exceeding 3,200 square feet with three to four bedrooms, multiple fireplaces, and grand living spaces. The penthouse represents the largest offering at over 4,000 square feet on a single level, featuring four bedrooms and comprehensive luxury finishes.
All units are configured on single levels, eliminating split-level layouts. This feature, combined with the building's elevator access, distinguishes the property among comparable Back Bay addresses. Select units include dedicated libraries or studies, while master bedroom suites and separate dining rooms are standard in larger floor plans.
Commonwealth Avenue's sunny southern exposure provides consistent natural light and premium views across Back Bay. The location positions residents within walking distance of Boston's cultural institutions, including the Boston Public Library and Museum of Fine Arts. Residents benefit from the neighborhood's tree-lined streetscape and proximity to local dining and retail establishments.
The building's full-service staffing—including door attendant and resident superintendent—reflects the stately residential model characteristic of Back Bay's premier addresses. The conversion of Hotel Agassiz maintains the avenue's architectural integrity while providing modern condominium living standards.
Justin Rollo is a Massachusetts real estate expert with over a decade of experience and hundreds of South Shore transactions. He tracks every sale, pending, and price movement inside 191 Commonwealth Avenue — so whether you're buying into the community or thinking about selling, you're working with someone who knows this specific association inside and out.
Ask Justin about 191 Commonwealth Avenue →Over recent sales, units at 191 Commonwealth Avenue Condominium sold at a median of $2,075,000, about $775 per square foot.
191 Commonwealth Avenue Condominium is a 15-unit condominium association in Boston, MA.
Recent sales at 191 Commonwealth Avenue Condominium averaged about 167 days on market, with 5 closings in the period.