Maryland State Department of Assessments and Taxation (SDAT)

Apr 25, 2025

Access the Maryland State Department of Assessments and Taxation (SDAT) here.

The Maryland State Department of Assessments and Taxation (SDAT) is a state agency responsible for assessing and valuing properties for tax purposes in Maryland. They also maintain business entity records and oversee the collection of certain state taxes.

Agency Accounts

Maryland State Department of Assessments and Taxation (SDAT) Account

Access your online account via Maryland Business Express.

The Maryland State Department of Assessments and Taxation (SDAT) Account allows you to set up and manage the following information:

  • State Department of Assessments and Taxation (SDAT) ID
  • Registration Date : Date that your business was registered with the Maryland State Department of Assessments and Taxation (SDAT).

Find out more on how to stay compliant with the Maryland State Department of Assessments and Taxation (SDAT):

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