St. Clair County, MO Property Taxes (2026)

St. Clair County owners pay a median of $911 a year on a median home value of $142,500, an effective rate of 0.64%. That's the 81st-highest rate of 115 Missouri counties with Census data, below 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

0.64%

81st highest of 115 in MO

Median annual bill

$911

~$76/month

Median home value

$142,500

Missouri county median

0.74%

Effective rate

What a protest could save you in St. Clair County

Enter the market value from your appraisal notice. We apply St. Clair County's 0.64% effective rate and a 10–15% reduction, the typical range for successful protests.

$
Est. annual tax
$912
Savings at 10–15% off
$91–$137
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St. Clair County vs. Missouri vs. U.S. property tax rates

St. Clair County0.64%
Missouri county median0.74%
U.S. county median0.84%

Key stat: St. Clair County's effective property tax rate is 0.64%, vs. 0.74% for the median Missouri county and 0.84% for the median U.S. county. It ranks 81st 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 St. Clair County

  1. 1

    Review your assessment notice

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

  2. 2

    File your appeal before the deadline

    The St. Clair 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 $911 bill, 10–15% off is $91–$137 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 St. Clair 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 St. Clair County, Missouri?
The median effective property tax rate in St. Clair County is 0.64%: a median annual bill of $911 on a median home value of $142,500. That's the 81st-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 St. Clair County?
The median St. Clair County property tax bill is $911 a year, about $76 a month, compared with a Missouri county median of $1,101.
What is the deadline to appeal property taxes in St. Clair County?
The deadline to appeal in St. Clair County is Varies by county. Missing it means waiting until the next assessment cycle.
Is St. Clair County a high property tax area?
St. Clair County's 0.64% effective rate is below the Missouri county median of 0.74% and below the U.S. county median of 0.84%. That's the 81st-highest rate of 115 Missouri counties with Census data.
Can TaxDrop help lower my St. Clair County property taxes?
TaxDrop analyzes your property against local comparable sales and helps you appeal your assessment.

Property taxes in nearby counties

Cedar County

Rate: 0.59%

Median bill: $953

Henry County

Rate: 0.80%

Median bill: $1,230

Hickory County

Rate: 0.47%

Median bill: $581

Benton County

Rate: 0.56%

Median bill: $918

Vernon County

Rate: 0.71%

Median bill: $970

Bates County

Rate: 0.62%

Median bill: $962

Polk County

Rate: 0.58%

Median bill: $1,101

Dade County

Rate: 0.65%

Median bill: $1,022

← All 115 Missouri counties

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