After a state-mandated revaluation in 2012, the total value of real estate in Granby dropped 11.77 percent from 2011 to 2012.
That large decrease contributed to an overall 10.58 percent drop in the town's grand list from 2011 to 2012.
According to Assessor Susan Altieri, the net assessment of real estate in town went from $962,385,940 in 2011 to $849,057,110 in 2012.
The town's last revaluation was completed in 2007.
The value of motor vehicles went down only slightly, with 11,729 vehicles in town worth $86,066,740 in 2011 and 11,727 vehicles in town worth $85,595,310 in 2012.
Personal property increased from 2011 to 2012, from $18,547,720 to $19,489,890.