Montgomery County Property Tax Calculator

Locality estimate page for Montgomery County, Maryland. Use this county/locality rate for faster screening, then confirm parcel-specific details with your local tax authority.

County/Locality Effective Rate

0.87%

State Effective Rate

0.92%

Sample Annual Tax Difference

-$213

Median Home Value (ACS)

$640,300

Median Annual Tax Bill (ACS)

$5,539

Owner-Occupied Households

254,139

The typical owner-occupied home in Montgomery County is valued at $640,300 with a median real estate tax bill of $5,539 per year — an effective rate of 0.87%. Both figures come from the same ACS release, so the ratio is an estimate rather than an aggregate of individual bills.

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State Mortgage Context: Maryland

Some counties follow standard FHA limits while higher-cost counties may qualify for elevated FHA limits.

State Effective Tax Rate

0.92%

FHA 1-Unit Floor

$541,287

FHA 1-Unit Ceiling

$1,249,125

View Maryland FHA Context Browse More Maryland County Pages

In Montgomery County, Maryland, the current county-level estimate is 0.87%, or approximately $3,480 annually on a $400,000 home.

How to Use This County Estimate

Step 1

Enter your property value and assessment assumptions.

Step 2

Apply exemptions that may reduce taxable value.

Step 3

Compare county/locality estimate against statewide fallback.

Montgomery County Property Tax Snapshot

Estimated effective rate: 0.87% · vs Maryland: 0.92% · vs national benchmark: 0.90%

Home value	Estimated annual tax	Estimated monthly tax
$250,000	$2,175	$181
$400,000	$3,480	$290
$500,000	$4,350	$363
$750,000	$6,525	$544
$1,000,000	$8,700	$725

Compare Nearby Property Taxes

Source Transparency

Source: U.S. Census Bureau, ACS 5-Year Estimates (B25103 / B25077)

View source

Last updated: August 2026

Estimates only. Confirm parcel-specific amounts with the official local taxing authority.

Need Statewide Context?

Visit Maryland mortgage snapshot or return to the national calculator hub.