No link on RateHerald pays us today. When some do, they'll say so, and they'll never change a ranking. How we make money

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%.

At an effective rate of 0.86%, a $640,300 home pays about $5,539 a year in property tax, $462 a month.

Property tax a year
$5,539
A month (for escrow)
$462
Effective rate on the home
0.86%

Property tax in Montgomery County by home value, at 0.86%

Home valueA yearA month
$200,000$1,730$144
$300,000$2,595$216
$400,000$3,460$288
$500,000$4,325$360
$750,000$6,488$541
$1,000,000$8,650$721

Montgomery County against Maryland and the US

Effective rateMedian taxMedian home valueMedian household income
Montgomery County0.86%$5,539$640,300$132,450
Maryland0.97%$4,093$419,900$103,678
United States0.94%$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.

What it assumes

  • Cities, school districts and special districts within the county levy different rates, so bills vary within it.
  • Survey figures cover 2020 to 2024 and lag recent reassessments.

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.

Other Maryland counties

Related calculators

Sources

Updated by the RateHerald team. The maths is tested against worked examples; report a problem.