Introducing 18 Commonwealth Avenue, ideally located on the first block of Commonwealth Avenue Mall adjacent to Newbury Street with the Public Garden and Back Bay's finest shops and restaurants at its doorstep. A truly rare find; this home retains several original architectural details and is awaiting a custom renovation to transform it into the masterpiece it once was. Exceptional features include elevator access to every floor, soaring ceiling heights, a grand staircase with skylight, intricate millwork, and ornate fireplaces. There is also the potential to add a roof terrace and garage parking. The building is currently configured as 11 studio apartments with 4 outdoor parking spaces included. This storied home presents an exceedingly unique opportunity for a trophy single-family residence, luxury condo conversion, or investment property in one of Boston's most desirable locations.