All property in MD is reassessed once every three years. If you donâ€™t like the assessment you can appeal it. The assessment can also be adjusted upward or down when an arms length sale occurs . Zip 21202 is in Baltimore City where the tax rate is about 2% of the assessed value not including any benefit district charges which might apply. Also if you are an owner occupant you get the homestead exemption. Low and moderate-income persons may also be eligible for Property Tax Credits. Lastly some properties qualify for additional tax breaks. Assessment records are on line. Google the term â€œMD REAL PROPâ€. Actual city tax bills are also on line.