District of Columbia Sales Tax Due Dates — 2026
Exact District of Columbia sales tax filing deadlines for 2026 and 2027 — every period, already adjusted for weekends and holidays. Find your filing frequency, see the dates, and add them to your calendar.
District of Columbia Monthly Sales Tax Due Dates — 2026
| Filing period | Due date |
|---|---|
| December 2025 | Tue, January 20, 2026 |
| January 2026 | Fri, February 20, 2026 |
| February 2026 | Fri, March 20, 2026 |
| March 2026 | Mon, April 20, 2026 |
| April 2026 | Wed, May 20, 2026 |
| May 2026 | Mon, June 22, 2026moved off weekend/holiday |
| June 2026 | Mon, July 20, 2026 |
| July 2026 | Thu, August 20, 2026 |
| August 2026 | Mon, September 21, 2026moved off weekend/holiday |
| September 2026 | Tue, October 20, 2026 |
| October 2026 | Fri, November 20, 2026 |
| November 2026 | Mon, December 21, 2026moved off weekend/holiday |
Dates are adjusted for weekends and U.S. federal holidays. Some states observe additional state holidays — always confirm the exact date with the DC Office of Tax and Revenue.
Filing District of Columbia sales tax late
District of Columbia charges a late-filing and late-payment penalty plus interest on any unpaid tax, and most states apply a minimum penalty even on a zero return. File on time — even a return with no tax due must be filed. Confirm current penalty amounts with the DC Office of Tax and Revenue.
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Official sources
Last verified 2026-05-30 against state revenue references. This page is for general information, not tax advice — confirm your specific due dates with the DC Office of Tax and Revenue.
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