Boston Properties (BXP) Gets 70% Prelease for Waltham Project Posted byZacks Equity Research December 6, 2021 Leave a comment on Boston Properties (BXP) Gets 70% Prelease for Waltham Project With the execution of three leases, Boston Properties’ (BXP) 244,000-square-foot life sciences conversion project in Waltham, MA, achieves a 70% prelease.