Police are investigating vandalism at a Post Road building that caused $750 worth of damage.

According to the report filed Monday four windows at 2000 Post Road were shot with a BB gun, sometime between 5 p.m. March 6 and 9 a.m. March 7.

Meanwhile, a construction office on Campfield Drive also was vandalized, according to a Monday report.

Damage included a smashed window and a set of blueprints the vandals tried to burn, police said.