Taxpayer and Citizen Assistance

The Comptroller of Maryland's motto, "Serving the People," is a priority throughout the agency. Staff members are devoted to providing exceptional customer service to taxpayers and other constituent groups by assisting and providing detailed information regarding taxes and other agency-related matters. Links to help topics are at the bottom of this page.

Have Tax Questions? Contact Taxpayer Service

Telephone:Call 1-800-MD TAXES (1-800-638-2937) or 410-260-7980 from Central Maryland. Telephone assistance is available 8:30 a.m. - 4:30 p.m., Monday through Friday. .

E-mail: Please include your name, address and the last four digits of your Social Security number in your e-mail message. This will help us generate a quick response to your inquiry.

Mailing Address:
Comptroller of Maryland
Compliance Division
Voluntary Disclosure Program
301 West Preston Street, Room 203
Baltimore, Maryland 21201

Individual Income Tax:Call 410-974-2432 from Central Maryland or toll-free 1-888-674-0016 from elsewhere.

Business Tax:Call 410-649-0633 from Central Maryland or toll-free 1-888-614-6337 from elsewhere in Maryland.

If you forgot to file a personal income tax or business tax return, missed a deadline or have a tax liability to clear up, we can help you determine what to do next. We don't capture any personal data with this service. This is strictly for your convenience.

You can file your tax returns online, set up a payment plan online, pay by credit card, or contact us so we can help you make a payment arrangement or meet any filing requirements you may have overlooked.
If you would like to file complaints about tax return preparers you believe are engaged in improper practices, you may do so through the IRS and/or the Maryland Department of Labor.
A change of address request for personal taxes must come from you in writing, and it must include your Social Security Number, your old address, your new address, and your signature.

Change of Address Form for Individuals

Free Income Tax Preparation

We will prepare your Maryland tax return and even electronically transmit it for you free of charge at any of our taxpayer services offices.

To take advantage of this service, you must have your completed federal return, all W-2 statements and supporting documents (such as 1099 statements, etc.) and a picture ID with you.

Due to Covid -19, there is a temporary suspension of in-person customer service operations at our facilities; however, Virtual Appointments are available.
Monday - Friday, 8:30 a.m. to 4:30 p.m.
The Comptroller's Office no longer accepts cash payments at branch office locations.

Payments should be mailed to:

Comptroller of Maryland
Payment Processing Center
PO Box 8888
Annapolis, Md. 21401-8888

File for Free in Person

You can also obtain free Maryland income tax assistance over the phone by contacting Taxpayer Service at 410-260-7980 from Central Maryland, or 1-800-MD-TAXES (1-800-638-2937) from elsewhere, or virtually at any of the 12 locations. Assistance is available 8:30 a.m. - 4:30 p.m., Monday through Friday.