The second installment of tax on the 2020 Grand List is due January 1, 2022. Also due January 1, 2022 is full payment of the Supplemental Motor Vehicle tax. The last day to pay without penalty is February 1, 2022 (US Postmark).  Office hours are Monday-Wednesday 8:30-4:30, Thursday 8:30-6:30, Friday 8:30-Noon. To pay by credit, debit or electronic check visit www.madisonct.org/taxpayments, or to pay by phone call 855-857-3353.  Convenience fees do apply.