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Comptroller of Maryland
Official site with online information and services for business and individual taxpayers, including setting up tax accounts, assistance with your Maryland taxes, searching for unclaimed property, checking the status of your refund or getting tax forms.
Comptroller of Maryland - Information for Business
Resources for business taxpayers including starting a new business,regulations, information and forms for employer withholding, tax filing information and forms, payment information, sales and use, filing extensions and due dates.
Maryland Combined Registration Application
Online registration for new businesses to set up tax withholding and unemployment accounts.
Maryland Income Tax Refund Status
Check the status of your tax refund online.
Maryland State Tax Forms and Instruction Booklets
Downloadable income tax and other forms for personal income tax filing.
Maryland State Tax Forms and Instruction Booklets
Downloadable income tax and other forms for business tax filing.
Online Tax Filing System
A free online tax filing system provided by the Comptroller of Maryland for 123, 502 and 503 filers.
Online Unclaimed Property Database for Maryland
Search by a person's last name.
The Maryland Association of Assessing Officers
Aims to promote, educate and enhance the appraisal profession for ad valorem purposes. Closely tied to State Department of Assessments and Taxation. Includes executive board, membership, newsletter, bylaws, and events.