A 49-unit condominium community in Back Bay, Boston.
Market figures reflect closed sales over recent sales. Data sourced from MLS PIN.
186 Commonwealth Avenue anchors one of Back Bay's most prestigious addresses, a professionally managed 49-unit building positioned between Dartmouth and Exeter Streets. The property offers a mix of one- and two-bedroom residences, with units commanding strong recent market velocity—a median sale price of $553,750 across six recent transactions and an average of 34 days on market.
Building Services & Access
Unit-Level Features
One-Bedroom Units
One-bedroom residences dominate the roster, ranging from oversized layouts with private decks to front-facing units with sweeping Commonwealth Avenue Mall views. Many feature bay windows, abundant natural light, and generous storage—a hallmark of the building. Kitchens vary from updated eat-in configurations with stainless appliances to original country-style layouts. Several units include dedicated office or den spaces, effectively functioning as flexible one-bedroom-plus-den layouts.
Two-Bedroom Units
Two-bedroom options emphasize light and proportion, with sun-filled living rooms, fireplaces, and corner exposures. One listed unit included in-unit laundry and a large master bedroom, while another featured a renovated bathroom and move-in-ready condition.
Premium Offerings
The penthouse unit stands apart, positioned between Dartmouth and Exeter with a roof deck, hot tub, and commanding views across the neighborhood.
Located steps from Copley Square in historic Back Bay, this address places residents at the intersection of culture, dining, and urban convenience. The Commonwealth Avenue Mall—the tree-lined spine running through the neighborhood—defines the character of many front-facing units, delivering natural light and a sense of connection to one of Boston's most walkable neighborhoods.
Residents benefit from proximity to the Boston Public Library, Copley Square shops and restaurants, and easy access to the Back Bay MBTA station. The location supports an established neighborhood lifestyle without the isolation of quieter side streets, appealing to those seeking central Back Bay living.
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 186 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 186 Commonwealth Avenue →Over recent sales, units at 186 Commonwealth Avenue sold at a median of $553,750, about $853 per square foot.
186 Commonwealth Avenue is a 49-unit condominium association in Boston, MA.
Recent sales at 186 Commonwealth Avenue averaged about 34 days on market, with 6 closings in the period.