July 1, 2019 Taxes are due. The first installment of taxes are due July 1, 2019. Payment may be made at the Tax Collector’s Office during Town Hall hours at 8 Campus Dr. Madison CT or by mail to Tax Collector, P O Box 587, Madison CT 06443. Mail received with a USPS postmark on or before August 1, 2019 is considered an on-time payment for the July 1, 2019 installment. Additional options for payment can be found at the Tax Collector’s webpage.