Property tax deadlines in District of Columbia

All 1 District of Columbia counties and county equivalents. 1 have been checked against the county's own schedule; the rest follow the state schedule below.

District of Columbia statutory schedule

Instalment	Due	Notes
First half	April 1, 2027	First half of the tax year (October 1 to March 31).
Second half	September 16, 2027	Second half of the tax year (April 1 to September 30).

code.dccouncil.gov A 10% penalty plus 1.5% simple interest per month is added to any installment not paid by its due date.

Counties

District of Columbia County Verified · next due Mar 31, 2027

About District of Columbia property tax

District of Columbia property tax is billed and collected county by county, so the collector — not the state — issues the bill. A single jurisdiction, so there is no county-to-county variation.

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CountyTaxDates 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.