Platte County, MO Property Taxes (2026)

Platte County owners pay a median of $3,365 a year on a median home value of $317,600, an effective rate of 1.06%. That's the 6th-highest rate of 115 Missouri counties with Census data, above the Missouri county median of 0.74%.

Updated October 2026 · Data: U.S. Census Bureau, American Community Survey 5-Year Estimates (2019–2023)

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Effective tax rate

1.06%

6th highest of 115 in MO

Median annual bill

$3,365

~$280/month

Median home value

$317,600

Missouri county median

0.74%

Effective rate

What a protest could save you in Platte County

Enter the market value from your appraisal notice. We apply Platte County's 1.06% effective rate and a 10–15% reduction, the typical range for successful protests.

$
Est. annual tax
$3,367
Savings at 10–15% off
$337–$505
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Platte County vs. Missouri vs. U.S. property tax rates

Platte County1.06%
Missouri county median0.74%
U.S. county median0.84%

Key stat: Platte County's effective property tax rate is 1.06%, vs. 0.74% for the median Missouri county and 0.84% for the median U.S. county. It ranks 6th of 115 in Missouri. Effective rate = median tax bill ÷ median home value, so it already reflects typical exemptions. (Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2019–2023))

How to appeal your property taxes in Platte County

  1. 1

    Review your assessment notice

    Check the assessed value from the Platte County Assessor. Compare it to recent sales of similar homes nearby.

  2. 2

    File your appeal before the deadline

    The Platte County deadline is Varies by county. Missing it means waiting until the next assessment year.

  3. 3

    Gather evidence

    Recent comparable sales, photos of condition issues, repair estimates or an independent appraisal.

  4. 4

    Present your case

    Submit evidence or attend a hearing with the County Assessor.

  5. 5

    Get your decision

    If you win, your assessed value and bill go down. On a $3,365 bill, 10–15% off is $337–$505 a year.

Want help with it?

TaxDrop builds your case from comparable sales data.

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Property tax exemptions in Missouri

Missouri homeowners may qualify for exemptions that reduce taxable value. Check with the Platte County Assessor for amounts.

Homestead exemption

For your primary residence. Reduces the value used to calculate your bill.

Senior / over-65

Many states add an exemption or freeze for owners 65 and older.

Disability

For homeowners with qualifying disabilities, often similar to the over-65 benefit.

Veterans

Disabled veterans may get partial or full exemptions depending on rating.

Frequently Asked Questions

What is the property tax rate in Platte County, Missouri?
The median effective property tax rate in Platte County is 1.06%: a median annual bill of $3,365 on a median home value of $317,600. That's the 6th-highest rate of 115 Missouri counties with Census data. Your own rate depends on which city, school district and special districts you're in. Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2019–2023).
How much are property taxes in Platte County?
The median Platte County property tax bill is $3,365 a year, about $280 a month, compared with a Missouri county median of $1,101.
What is the deadline to appeal property taxes in Platte County?
The deadline to appeal in Platte County is Varies by county. Missing it means waiting until the next assessment cycle.
Is Platte County a high property tax area?
Platte County's 1.06% effective rate is above the Missouri county median of 0.74% and above the U.S. county median of 0.84%. That's the 6th-highest rate of 115 Missouri counties with Census data.
Can TaxDrop help lower my Platte County property taxes?
TaxDrop analyzes your property against local comparable sales and helps you appeal your assessment.

Property taxes in nearby counties

Clay County

Rate: 1.10%

Median bill: $2,817

Buchanan County

Rate: 0.80%

Median bill: $1,253

Clinton County

Rate: 0.86%

Median bill: $1,758

Jackson County

Rate: 1.15%

Median bill: $2,448

DeKalb County

Rate: 0.76%

Median bill: $1,269

Ray County

Rate: 0.82%

Median bill: $1,533

Andrew County

Rate: 0.76%

Median bill: $1,495

Caldwell County

Rate: 0.78%

Median bill: $1,230

← All 115 Missouri counties

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