21057 Property Tax Rate

Property owners in ZIP code 21057 (Glen Arm, Maryland) pay a median of $5,225/year in property taxes on homes valued at $609,000. This translates to an effective tax rate of 0.86%, which is 11% below the Maryland state average of 0.96%.

The monthly property tax burden for a median-valued home in 21057 is approximately $435, which factors into escrow payments on mortgages. This ZIP code is located within Baltimore County. This is $1,251 more than the Maryland average of $3,974/year.

Compared to similar ZIP codes in Maryland, 21057 has higher property taxes. ZIP codes with similar effective rates include 20676 (0.86%) and 20906 (0.86%).

In Glen Arm, property taxes represent approximately 3.1% of the median household income of $170,417, providing context for the relative tax burden on homeowners in this area.

Maryland's Homestead Tax Credit caps annual assessment increases at 10% for your primary residence, though your initial purchase-year assessment is unrestricted — file for the credit with Baltimore County's tax office. The credit applies automatically to qualifying primary residences but requires proper registration; contact the Baltimore County Assessor to ensure your homestead classification is recorded within 45 days of purchase. Request a copy of your Notice of Assessment and confirm your assessment ratio is correct (owner-occupied property should be assessed on market value).