Platte County Property Tax Calculator

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

County/Locality Effective Rate

1.05%

State Effective Rate

0.89%

Sample Annual Tax Difference

$680

Median Home Value (ACS)

$345,100

Median Annual Tax Bill (ACS)

$3,613

Owner-Occupied Households

29,573

The typical owner-occupied home in Platte County is valued at $345,100 with a median real estate tax bill of $3,613 per year — an effective rate of 1.05%. 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: Missouri

Most counties in this state follow the standard FHA floor framework.

State Effective Tax Rate

0.89%

FHA 1-Unit Floor

$541,287

FHA 1-Unit Ceiling

$1,249,125

View Missouri FHA Context Browse More Missouri County Pages

In Platte County, Missouri, the current county-level estimate is 1.05%, or approximately $4,200 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.

Platte County Property Tax Snapshot

Estimated effective rate: 1.05% · vs Missouri: 0.89% · vs national benchmark: 0.90%

Home value	Estimated annual tax	Estimated monthly tax
$250,000	$2,625	$219
$400,000	$4,200	$350
$500,000	$5,250	$438
$750,000	$7,875	$656
$1,000,000	$10,500	$875

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 Missouri mortgage snapshot or return to the national calculator hub.