Yes. If you wish to make a one-time payment in advance of the tax year, the county will calculate your taxes using the current tax rate in effect applied to the prior year assessment. No interest will be credited to your payment. If the taxes due on the property for the year of payment made exceeds the amount paid, a balance due letter will be sent to the tax payer.

Yes. As part of our commitment to provide citizens with efficient, convenient services, Harford County, Maryland has partnered with Official Payment Corporation, a third-party provider to offer electronic payments over the Internet or by telephone. The third-party provider will assess a convenience fee each time you utilize their service to make Tax and Assessment payments by credit/debit card. Harford County accepts Visa® , MasterCard® and Discover® credit cards and electronic checks. If paying by credit/debit card, there will be a 2.25% convenience fee. If paying by electronic check, there is no fee.

Bills are mailed out July 1 with the base amount due by September 30. Beginning October 1 interest and penalties are added to the base bill amount.