Marlboro County, South Carolina property-tax payment and appeal deadlines
Tax bills, payment rules, and valuation-review windows are controlled by the local jurisdiction and the governing state framework. The reviewed record below separates published figures from items that still require confirmation with Marlboro County Tax Assessor's Office.
Rate context
ConfirmMarlboro County millage varies by county, municipality, school, and other taxing districts.
Statement mailing
Confirmthe official Marlboro County sources reviewed did not publish a specific 2026 property-tax bill mailing date.
Payment deadline
Published2026 real-property taxes are due by January 15, 2027 without penalty; January 16–February 1: 3% penalty; February 2–March 16: 10%; March 17 onward: 15% under South Carolina Code §12-45-70 and the county tax schedule.
Valuation protest
PublishedWithin 90 days of the 2026 assessment notice; if no notice is issued, submit a written objection by January 15, 2027 for the 2026 tax year. No separate countywide 2026 protest date was published.
Do not assume a grace period.
The reviewed 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 a published payment deadline as a hard operational date and retain your receipt or confirmation number.
From assessment to collection
01Valuation 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.
02Statement and account review
Match the tax statement to the parcel or account number and confirm exemptions, assessed value, taxing units, credits, and balance.
03Payment 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.