Calare Properties, a private real estate investment firm and operator, purchased MACOM Technology Solutions’ headquarters facility at 100 Chelmsford St. in Lowell, MA in an off-market transaction.

The 150,000-square-foot research, development and manufacturing campus was constructed in 1981 and is located in the Route 3 corridor. MACOM occupied the building at the time of the sale, and has agreed to a 20-year leaseback as part of the transaction…