District of Columbia Personal Tax Extension 2026: 2025 Tax-Year Filing Guide
Individual Income Tax · D-40
District of Columbia generally grants an automatic extension for individual returns. A separate DC extension request is required when filing after the original deadline. For federal details, see our federal tax extension resources.
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✓ Secure e-filing✓ 24/7 filingDistrict of Columbia generally grants an automatic extension for individual returns. A separate DC extension request is required when filing after the original deadline.
Last updated: September 12, 2026District of Columbia Personal Tax Extension: Filing Details
District of Columbia generally grants an automatic extension for individual returns. A separate DC extension request is required when filing after the original deadline.
Quick Reference: Deadlines and Forms
Use this summary to confirm District of Columbia filing deadlines, forms, and payment requirements.
| Item | District of Columbia personal return | Deadline or method |
|---|---|---|
| Original deadline | D-40 | April 15, 2026 |
| Extended deadline | Action Required | October 15, 2026 |
| Return form | D-40 | Use the current form |
| Payment | Form FR-127 | Due April 15, 2026 |
Frequently Asked Questions
Answers about District of Columbia personal tax extensions.
DC generally requires an extension request for an individual return filed after April 15.
File the official FR-127 extension request by April 15 when an extension is needed.
Pay the estimated DC balance by April 15; an extension gives more time to file, not to pay.
Check the current guidance from the District of Columbia Office of Tax and Revenue.