StacyApproved · property tax deadlines by county

Property tax deadlines in Connecticut

All 8 Connecticut counties and county equivalents. 0 have been checked against the county's own schedule; the rest follow the state schedule below.

Connecticut statutory schedule
InstalmentDueNotes
Second installmentJanuary 2, 2027Second installment in towns that bill semiannually.
First installmentJuly 2, 2027First installment under the July 1 statutory default; towns may bill annually, semiannually or quarterly.
www.cga.ct.gov An installment unpaid after the first day of the following month is delinquent and bears 18% annual interest from its due date.

Counties

Fairfield County Statewide schedule · Jan 2, 2027Hartford County Statewide schedule · Jan 2, 2027Litchfield County Statewide schedule · Jan 2, 2027Middlesex County Statewide schedule · Jan 2, 2027New Haven County Statewide schedule · Jan 2, 2027New London County Statewide schedule · Jan 2, 2027Tolland County Statewide schedule · Jan 2, 2027Windham County Statewide schedule · Jan 2, 2027

About Connecticut property tax

Connecticut property tax is billed and collected county by county, so the collector — not the state — issues the bill. Towns choose single, semiannual or quarterly billing and set their own dates, though most use July 1 and January 1.

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StacyApproved is an independent reference and is not a government agency. Deadlines change and exceptions apply — always confirm with your county treasurer using the official link on this page. Nothing here is tax, legal or financial advice.