Nonprofit Tax Deadlines in District of Columbia
Federal and state filing dates, extensions, and estimate schedules for 2026.
District of Columbia filing deadline
Nonprofit annual return generally due the 15th day of the 5th month.
Due: May 15, 2026
Extension: Nov 15, 2026
Form: State nonprofit return
Estimated payments
No state estimated payment schedule listed.
Due: N/A
FAQ
Does District of Columbia require Nonprofit 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 Nonprofit taxes?
Use DC Office of Tax and Revenue resources at https://otr.cfo.dc.gov for forms and filing instructions.