S Corporation Tax Deadlines in District of Columbia
Federal and state filing dates, extensions, and estimate schedules for 2026.
District of Columbia filing deadline
Calendar-year due date follows federal timing for pass-through entities.
Due: Mar 16, 2026
Extension: Sep 15, 2026
Form: State business income tax return
Estimated payments
No state estimated payment schedule listed.
Due: N/A
FAQ
Does District of Columbia require S Corporation estimated payments?
Estimated payments are not typically required at the entity level, but confirm with DC Office of Tax and Revenue.
Where can I file District of Columbia S Corporation taxes?
Use DC Office of Tax and Revenue resources at https://otr.cfo.dc.gov for forms and filing instructions.