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Maryland property tax

Start with your county. Published tax dates and rules link to the official source.

Statewide rules

✓ Verified — Last verified October 24, 2026

Appeal process

After PTAAB, appeal to the Maryland Tax Court within 30 days of the PTAAB order.

Official source. Verified .

Who may represent homeowners

COMAR 18.01.02.03 requires written owner/taxpayer authorization for a representative's real-property assessment appeal.

Official source. Statutory. Verified .

Counties and county equivalents

Common questions

How do property tax appeals work in Maryland?

After PTAAB, appeal to the Maryland Tax Court within 30 days of the PTAAB order.

Who may represent a homeowner in a Maryland property tax appeal?

COMAR 18.01.02.03 requires written owner/taxpayer authorization for a representative's real-property assessment appeal.

Sources

dat.maryland.gov
If you are dissatisfied with the decision made by the Property Tax Assessment Appeals Board, you have the option to file an appeal to the Maryland Tax Court (MTC) within 30 days of the date of the PTAAB order.

Verified October 24, 2026

regs.maryland.gov
An appeal filed by a representative on behalf of a property owner or taxpayer shall include proper authorization from the property owner or taxpayer to pursue the appeal.

Verified October 24, 2026