Comptroller of Maryland. Serving the People. Peter Franchot, Comptroller
Spotlight on Maryland

Logon To the Individual Taxpayer
Online Service Center

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System Availability - The Online Service center is available 24 hours a day, 7 days a week from any home, office, or public access point. However, information may not be available during times of system maintenance.

For assistance, users may contact the Taxpayer Service Section Monday through Friday from 8:30 am until 4:30 pm by calling 410-260-7980 from central Maryland or 1-800-MDTAXES (1-800-638-2937) from elsewhere. Or, you may e-mail us at taxhelp@comp.state.md.us.


The Taxpayer Service Section offers extended hours for telephone assistance from February 4 - April 15, 2019 Monday through Friday 8:30am until 7:00pm.

Are you making the most of our online services?

Certain services, such as viewing your 1099G or a history of your estimated payments, require an enhanced registration. If you do not have an enhanced registration you may upgrade your registration by clicking on the User Profile link once you have successfully logged on. For immediate access to our enhanced applications you will be asked to provide the federal adjusted gross income from your previous year's Maryland income tax return. If you do not have your federal adjusted gross income you may enhance your registration by signing the document provided and mailing it to the Comptroller's office as instructed.