Town of Simsbury Tax Collector 933 Hopmeadow St, Simsbury, CT06070 Real estate taxes and personal property taxes of more than $100 are due in two installments. The first half is due July…More 1 and the second half is due January 1. Real estate taxes cover July 1 through June 30. Personal property taxes cover October 1 of the previous year. Regular motor vehicle taxes are due in one installment on July 1. These taxes cover October 1 of the previous year through September 30 of the current year. Supplemental motor vehicle taxes are due in one installment January 1. These taxes cover from when the vehicle was registered through September 30 of the previous year.