St. Clair County, AL follows the Alabama statutory schedule. This page shows that schedule, the county's own website, and the late penalty — the county can still set its own dates, so confirm before you pay.
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…until annual — October 2, 2027
Instalment
Due date
Notes
Annual
October 2, 2027
Single annual bill; taxes are due October 1 and become delinquent January 1.
Statewide schedule — read this before you rely on it
All 67 counties use the same October 1 due date and January 1 delinquency date; only local millage rates differ. Most counties in this state follow these dates.
Unpaid taxes become delinquent on January 1, are turned over to probate court in February and sold at the county tax sale in May.
County tax collectors issue bills for the October 1 due date, and delinquent accounts go to probate court in February.
St. Clair County at a glance
Population: 95,552 (Census estimate, 2023) — the 16th largest of 67 Alabama counties and county equivalents.
Typical tax bill: $603 a year (median for owner-occupied homes, ACS 2022 5-year estimate) — the Alabama median is $701.
Land area: 631.6 sq mi, about 151.3 people per sq mi.
County website:www.stclairco.com — start here for the treasurer or tax collector page.
By post: mail to the county treasurer; the postmark usually counts, not the arrival date.
In person: the treasurer's office, with your bill or parcel number.
Escrow: if your mortgage escrows taxes, the servicer pays — you still owe any shortfall.
Is this county verified?
Not yet. St. Clair County is on the queue: we publish a county's own published dates once they have been checked against the county website. Ask for it and it moves up. Until then, the Alabama statutory schedule above is the reliable starting point.
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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.