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State Department of Assessments and Taxation

How Do I...?

The name of my business is spelled incorrectly, how can I fix it?

Contact our Charter Department at [email protected]​.

I want to change my principal residence address, how do I do that?

​​If the wrong mailing address appears on your real property assessment notice or real estate tax bill, or you would like to change the address to which your tax bills, assessment notices, and other correspondences are sent, please mail a letter to the assessment office for the jurisdiction in which the property is located.

How do I bring my business into good standing?

For more information view this checklist document - PDF - 510.12 KB.

Can I register my business online?

Yes, through the Maryland Business Express, you can establish tax accounts, file your business personal property returns, ​register your trade name, and order copies of previously filed documents. 

Visit the Maryland Business Express​ site.

Where can I find my Department ID number?

Perform a business entity search by name on Maryland Business Express- this will provide you with your Department ID Number and more information about your business.

Visit the egov.maryland.gov site.

Can I give you a name, and you tell me what property they own?

Mandated by State Law, we are unable to provide this information online.

How do I order a certificate of status?

You may order a certificate by contacting the Corporate Charter unit or visiting the Maryland Business Express site.

Can you explain my property valuation?

Contact your local assessment office; a list of offices is available online.

The link I visited on your website is broken, who can I tell to fix it?

Email: [email protected]

How can I appeal my property tax assessment?

For more information, contact your local assessment office.

I have read the FAQ list and I am still unsure who to contact.

You will get the fastest service by using our frequent contact list.

If you still are unsure where to go email: [email protected] and we will help get you to the right place.​