2026 fiscal calendar
Know the tax date before it becomes a penalty date.
Tax bills, payment rules, and valuation-review windows are controlled by the local jurisdiction and the governing state framework. The verified record below separates published figures from dates that require confirmation with Jefferson County Auditor (E.J. Conn).
Effective rate
Jefferson County explains that rates are determined by taxing districts and levies, not one countywide effective average.
Statement mailing
June 23, 2026 for second-half 2025 real-estate and second-half 2026 manufactured-home bills; first-half 2026 mailing date is N/A.
Payment deadline
Jefferson County's 2026 notice: second-half 2025 real-estate and second-half 2026 manufactured-home bills due August 4, 2026; first-half 2026 real-estate due date was not published on the official Treasurer page reviewed.
Valuation protest
January 1–March 31, 2026; Jefferson County's Board of Revision page identifies the annual DTE 1 filing period as January 1 through March 31.
Critical payment warning
Do not assume a grace period.
The verified county record identifies the payment timing above but does not establish a universal penalty schedule for this page. Late charges, interest, collection costs, tax-sale procedures, and lien or foreclosure timelines can depend on state law and the local collector’s process. If the deadline is close or a balance is delinquent, contact the tax collector directly and request the current payoff amount in writing.
Treat the published payment deadline as a hard operational date and retain your receipt or confirmation number.
Read the calendar in order
From assessment to collection
1. Valuation and notice
Review the assessment notice as soon as it arrives. The protest window may run from the notice date rather than from the payment due date.
2. Statement and account review
Match the tax statement to the parcel or account number and confirm exemptions, assessed value, taxing units, credits, and balance.
3. Payment confirmation
Use the official collector channel, then save the receipt, transaction reference, and date posted. A bank submission is not always the same as a county posting date.