Submitted by Sheri Berger, Haddam Tax Collector
(June 17, 2026) — The Haddam Tax Collector has announced that a tax levy of 24.98 mills on the dollar has been laid on the 2025 Grand List. The first installment will become due on July 1, 2026. If payment is not received or postmarked on or before August 3, 2026, the taxpayer is subject to an interest rate of 18% per annum or 1.5% per month or any fraction of a month from the due date. A minimum interest charge of $2.00 will apply to all delinquent taxes. The tax becomes delinquent and interest will be charged as of August 4, 2026.
Please visit the Town of Haddam website at www.haddam.org for more details. Payments will be received online, through lockbox, a drop box located outside the Town Office Building, or inside at the Tax Office located in the Town Office Building at 30 Field Park Drive in Haddam.
The Tax Office hours are Monday through Wednesday 8:30 a.m. to 4:00 p.m. Thursday 8:30 a.m. to 6:00 p.m. and Friday 8:30 a.m. to 12:00 Noon. Anyone with questions can contact Sheri Berger by phone at 860-345-8531 ext. 207 or by email at taxcollect@haddam.org.





