District of Columbia Tax Deadlines

When are taxes due in District of Columbia?

District of Columbia state income tax returns for 2025 are generally due on April 15, 2026, aligning with the federal deadline. However, some entity types such as partnerships and S-corporations have earlier deadlines (March 16, 2026). Check the deadlines above for your specific entity type.

Does District of Columbia require estimated tax payments?

Yes, District of Columbia generally requires estimated tax payments if you expect to owe more than a certain threshold in state income tax. Payments typically follow a quarterly schedule. Visit the estimated payments page for District of Columbia for specific due dates.

What is the District of Columbia tax extension deadline?

District of Columbia generally grants a 6-month extension for filing state income tax returns, moving the deadline to October 15, 2026 for most individual filers. Note that an extension to file is not an extension to pay — any tax owed is still due by the original deadline.

What are the District of Columbia tax rates for 2026?

District of Columbia tax rates vary by income level and filing status. For the most current rates and brackets, visit DC Office of Tax and Revenue at https://otr.cfo.dc.gov. Tax rates can change annually based on state legislation.

Does District of Columbia conform to federal due dates?

Many District of Columbia deadlines follow the federal calendar. Always confirm on DC Office of Tax and Revenue.

Where can I file District of Columbia tax forms?

Visit DC Office of Tax and Revenue at https://otr.cfo.dc.gov for official forms and e-file options.