Maryland Tax Deadlines

When are taxes due in Maryland?

Maryland state income tax returns for 2025 are generally due on April 15, 2026, aligning with the federal deadline. However, some entity types such as partnerships and S-corporations have earlier deadlines (March 16, 2026). Check the deadlines above for your specific entity type.

Does Maryland require estimated tax payments?

Yes, Maryland generally requires estimated tax payments if you expect to owe more than a certain threshold in state income tax. Payments typically follow a quarterly schedule. Visit the estimated payments page for Maryland for specific due dates.

What is the Maryland tax extension deadline?

Maryland generally grants a 6-month extension for filing state income tax returns, moving the deadline to October 15, 2026 for most individual filers. Note that an extension to file is not an extension to pay — any tax owed is still due by the original deadline.

What are the Maryland tax rates for 2026?

Maryland tax rates vary by income level and filing status. For the most current rates and brackets, visit Comptroller of Maryland at https://www.marylandtaxes.gov. Tax rates can change annually based on state legislation.

Does Maryland conform to federal due dates?

Many Maryland deadlines follow the federal calendar. Always confirm on Comptroller of Maryland.

Where can I file Maryland tax forms?

Visit Comptroller of Maryland at https://www.marylandtaxes.gov for official forms and e-file options.