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Legal Disclaimer

To access this site, please acknowledge the following statement:


While using this site, you are responsible for the protection of your own computer against “spyware” programs which could compromise information entered on your own computer and subsequently sent over the internet. “Spyware” programs may be unknowingly downloaded on your computer when visiting other sites on the Internet, but not from the Fairfax County website.


The Fairfax County Department of Tax Administration (DTA) makes every effort to ensure the most current and accurate business tax information possible. No warranties, expressed or implied, are provided for the data herein, for its use, or its interpretation. Neither Fairfax County nor the Department of Tax Administration (DTA) assumes any liability associated with the use or misuse of this data.


The Department of Tax Administration offers convenient and secure online tax filing options for business tax. Businesses registered online may not be reflected in other online services for up to 2 business days.


Fairfax County assumes no responsibility for incorrect information entered by taxpayers. Taxpayers are responsible for ensuring that tax declarations are filed in sufficient time to meet required deadlines. Taxpayers are responsible for printing and retaining the confirmation for any transaction. The time and date of transactions as indicated on the confirmation will be the effective date the declaration is filed. Failure of a taxpayer to understand any information provided herein will not constitute grounds for waiver of any penalties or interest due to filing a declaration after the designated deadline.


Under § 58.1-11 of the Code of Virginia, any person who willfully submits a return which he does not believe to be true and correct shall be guilty of a Class 1 misdemeanor.

Department of Tax Administration
Monday – Friday 8:00 a.m. to 4:30 p.m.
703-222-8234
email: dtappdbusiness@fairfaxcounty.gov