How to appeal property taxes in Maryland
County-specific guides with this year's deadlines, the exact forms, and step-by-step filing instructions — researched from official Maryland sources. Or skip the reading: run your address through the free check and get your county's answer in about two minutes.
Baltimore City
Baltimore City appeal deadline: Jan. 4, 2027 petition deadline; learn the $2.248 per $100 tax rate, 4% Homestead cap, and filing steps.
Baltimore County
Baltimore County’s 2026 assessments: Feb. 13 reassessment deadline, Jan. 4 petition date. Get the forms, filing addresses, and a savings example.
Montgomery County
Montgomery County, MD’s 2026 reassessment appeal deadline was Feb. 13; the next petition deadline is Jan. 4, 2027. File for free directly with SDAT.
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