New Balance and equity partner John Hancock Financial have begun construction on a new 295-unit multifamily high-rise across from New Balance’s corporate headquarters in Brighton, MA.

Located at 125 Guest St., the 17-story project known as The Residences at Boston Landing is being developed within Boston Landing, NB Development Group’s roughly 14-acre mixed-use development that stretches along the Massachusetts Turnpike in Boston’s Brighton/Allston…