Email Security Warning!
When sending an email to the Comptroller of Maryland, do not include information such as your full social security number (use only the last 4 digits), bank account numbers, routing numbers, or any other sensitive information.
If you wish to send sensitive information, email a description of the issue (without the sensitive data), and let us know you have confidential information to send. We will reply back via an encrypted email account, which will have "##secure##" in the email subject. In reply to the secured email, you may then provide the additional detail, including the sensitive information.
This section contains contact information about all of the Comptroller of Maryland's locations. We offer our services over the telephone, online and in person. Choose one of the links below for a phone list, e-mail directory or a listing of branch locations with driving directions.
Contacting Taxpayer Service for Assistance During Tax Season
If you need additional assistance or have questions about your return you may contact Taxpayer Service at 410-260-7980 from Central Maryland or at 1-800-MD TAXES from elsewhere. Assistance is available Monday - Friday, 8:30 a.m. - 4:30 p.m. From February 1 - April 17 we experience extremely high call volume. As an alternative, you can send an email to firstname.lastname@example.org and receive an answer in 2-3 business days. The Comptroller of Maryland offers extended hours February 1 - April 17, 2018 Monday through Friday from 8:30am until 7:00pm for telephone assistance.
Refund Status Inquiries
You may obtain the status of your refund either online or by phone by calling our automated Refund Request Line at 410-260-7701 or 1-800-218-8160. Refund status is updated once daily at approximately 10:30 a.m. For more information about refunds, visit our Refund Information section.
Additional contact information may be found below.