Your resource for doing taxes in Delaware.
File your current year personal state income taxes online.
File your Form 1027I (Internet Individual Income Tax Extension) online.
File your Form 200-ESI (Internet Declaration of Estimated Income Tax) online.
Check the status of your Delaware personal income tax refund online.
If you received a bill or filed a return with a balance due, you can make a payment online.
A forms directory listing current forms for peronsal income tax, estate tax, estimated tax, fiduciary tax, and miscellaneous forms.
This application applies to owners of cell phones within the state of Delaware. This application must be completed and filed annually with the Delaware Division of Revenue to qualify for exemption from the delaware public utility tax that is assessed upon owners of cell phones with a delaware billing address.
A list of prior year tax forms from 2010 forward.
If you are experiencing a hardship and cannot pay your tax liability in full, the Division of Revenue is available to work with you to resolve your tax liability and to eliminate the need for you to consider bankruptcy as an alternative.
A list of organizations providing free Personal Income Tax filing assistance to qualifying Delaware taxpayers:
Useful information about the collections process, including information on assistance, important contacts and more.
Frequently Asked Questions
Non-Resident Working in Delaware
I am looking at a new job in Delaware. I live in New Jersey. Someone told me if I take a job in Delaware, I can claim the extra taxes that will be withheld by Delaware. Is this true? Can I have the Delaware employer just withhold New Jersey state tax?
Resident Working Out of State
I’m considering taking a job in Maryland. I know the states do not have a reciprocal agreement. How does the credit work for taxes paid to another state? Will I owe County taxes in MD?
Tax on Retirement Income
I’m planning to move to Delaware within the next year. I am retired. I am receiving a pension and also withdrawing income from a 401K. My spouse receives social security. What personal income taxes will I be required to pay as a resident of Delaware? I also would like information on real estate property taxes.
IRS Free File lets you prepare and file your federal income tax online for free. It's safe, easy and no cost to you.
Tax information, tools, and resources for individuals.
Tax information, tools, and resources for businesses and self- employed.
The Internal Revenue Service offers content in a variety of file formats to accommodate people who use assistive technology such as screen reading software, refreshable Braille displays, and voice recognition software.
Entities incorporated in Delaware can file thier annual report and pay franchise tax online,
The bank franchise tax is imposed on banking organizations. Title 5, Delaware Code, Chapter 1, Section 101(7) defines banking organizations.
All corporations incorporated in the State of Delaware are required to file an Annual Report and to pay a franchise tax. Exempt domestic corporations do not pay a tax but must file an Annual Report.
Unemployment Insurance Forms for Employers
An extensive list of business tax forms covering taxes, gross reciepts, licenses, partnerships, credits, withholding and others for various business sectors. Prior year business tax forms are available on the page
The Premium Tax and Fees Section is responsible for the tax regulation of all insurance companies, whether admitted or non-admitted, that are authorized, approved, or registered to transact business in the state of Delaware.
Detailed list of division of revenue licenses and tax rates
The Office of Finance for New Castle Counties offers an online payment portal for property taxes, school taves, and residential sewer service bills
Sussex County offers a number of options for making your tax, sewer or connection charge payments.
Pay Kent County property tax and sewer payments online through the Kent County Levy Court online payment systyem
Homeowners age 65 or over are eligible for a tax credit against regular school property taxes of 50 percent (up to $400). This credit may only be used against property taxes on a primary residence.
A directroy of forms offered by the city of Wilmington including: tax forms, and numerous applications including business license, property tax incentive exception, building permits and others.