Division of Revenue - Department of Finance

Tax Season Updates

The Delaware Division of Revenue does not send text messages regarding tax refunds.

If you receive a text message claiming to provide an update on your refund and requesting personal or banking information, do not respond. These messages are fraudulent and not from Delaware Division of Revenue.

Protect your information. If you have any doubts, please contact us directly through official channels.

New feature on our portal beginning October 6, 2025. Estimated taxes for corporate, fiduciary, and composite estimated taxes are now available. You do not need to register to make an estimated payment. Visit our portal at tax.delaware.gov for more information.

Registration of “Doing Business As” (DBA) names will move to an online process through OneStop and administered by the Division of Revenue on February 2nd, 2026. On October 22nd, 2025 information on process changes were communicated by letter to existing DBA holders at the address associated with that DBA in the existing Courts database (https://courts.delaware.gov/tradenames/).

Revenue’s Trade Name FAQ page (https://revenue.delaware.gov/trade-names-faqs/) has been updated with to outline the registration process and requirements as will be implemented on February 2nd, 2026. At this time, existing DBA holders are not required to re-register with DOR. Existing DBA holders may re-register with DOR, starting February 2nd, at no additional cost, but must hold a valid Delaware business license to complete re-registration.

Where is my refund?

Have you already filed a return with the Delaware Division of Revenue, but have not received your refund yet? Check the status of your return and your refund using our online tools and services.

Check Return Status