Home and mortgage
Montgomery County, MD Property Tax Calculator
Montgomery County homeowners pay a median $5,539 a year in property tax, 0.86% of a median $640,300 home: below Maryland's 0.97% and the national 0.94%.
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Property tax in Montgomery County by home value, at 0.86%
| Home value | A year | A month |
|---|---|---|
| $320,000 | $2,768 | $231 |
| $480,000 | $4,152 | $346 |
| $640,000 | $5,536 | $461 |
| $960,000 | $8,304 | $692 |
| $1,280,000 | $11,072 | $923 |
Montgomery County against Maryland and the US
| Effective rate | Median tax | Median home value | Median household income | |
|---|---|---|---|---|
| Montgomery County | 0.86% | $5,539 | $640,300 | $132,450 |
| Maryland | 0.97% | $4,093 | $419,900 | $103,678 |
| United States | 0.94% | $3,119 | $332,700 | $80,734 |
How this calculator works
Median real estate taxes paid ÷ median home value in Montgomery County, from the Census Bureau's American Community Survey 2020–2024 5-year estimates. The calculator starts at the county's median home value and rate.
Questions people ask
What is the property tax rate in Montgomery County?
The effective rate is 0.86%: a median $5,539 a year on a median $640,300 home. That's the 11th highest of the 18 Maryland counties we cover.
How much is property tax on a $400,000 house in Montgomery County?
About $3,460 a year, $288 a month, at the county's effective rate, before any exemption.
How does Montgomery County compare with the rest of Maryland?
Its rate is below the state's 0.97%. Across Maryland, covered counties range from 0.73% to 1.46%.
How do I lower my Montgomery County property tax?
Apply for every exemption you qualify for, such as a homestead exemption, and appeal your assessment if it is higher than comparable homes sold nearby; the county assessor explains the deadlines.
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Sources
Updated by the RateHerald team. The maths is tested against worked examples; report a problem.