- Available Spaces
300 Constitution Avenue is an office property for lease in Portsmouth, NH. The property currently has 1 office space for lease and is marketed by CBRE | Portsmouth.
New construction! This 65,651 +/- SF building is now offering 15,957 +/- SF
of warehouse/flex space and 5,689 +/- SF of office space for lease. Both
spaces can be customized to fit your business. Available March 2013.