$429,900 · For sale

Own your piece of Back Bay. Unit 2I at 366 Commonwealth Ave offers a bright and thoughtfully arranged studio in one of Boston's most iconic neighborhoods. High ceilings, oversized windows, an equipped kitchen and a flexible layout make excellent use of the space. Set in a professionally managed elevator building with laundry on every floor and a specular common roof deck offering sweeping city views. Ideally situated at Commonwealth Ave and Mass Ave, moments from Newbury Street, the Charles River, Esplanade, Fenway Park, Kenmore Square and the Prudential Center. Enjoy easy access to the Green Line, #1 bus, Berklee, BU, Northeastern and the Longwood Medical Area. Whether you're looking for a city home, pied-à-terre or investment, this is your opportunity to make one of Boston's most coveted neighborhoods your own. NEW BUYER INCENTIVE! Seller is now offering a 2-1 interest rate buydown for qualified buyers with an acceptable offer. Take advantage of reduced monthly payments during the first two years of homeownership. Ask for details!
366 Commonwealth Ave #2I is a 1-bath condo for sale in Boston, MA 02115 with 265 square feet, asking $429,900. It has been on our site since October 13, 2026.
At $1,622 a square foot, it compares with a median of $846 among the 1575 other condos for sale in Boston with a stated size.
This home is assessed at $377,500 for fiscal year 2023. It last sold for $210,000 in November 2013.
It scores 100 out of 100 for walkability, from how close everyday places are.
The closest train or subway stop is Hynes Convention Center (MBTA Green Line B·C·D), about 0.1 miles away. The closest bus stop is Massachusetts Ave @ Newbury St (MBTA route 1), about 0.1 miles away.
The closest public schools by level are Hurley K-8 School (0.9 miles) and Boston Arts Academy (0.4 miles). The district decides which school serves an address.
Listing information from MLS Property Information Network (MLS PIN), MLS #73570383, deemed reliable but not guaranteed. Prices are compared with other homes listed on this site today. Trains and buses come from the transit agencies’ published schedules and schools from the National Center for Education Statistics. Distances are straight-line. Assessed values and past sales are public records from municipal assessors, published by MassGIS. An assessed value is set for taxation and may differ from market value.
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