Dearborn, Platte County, Missouri Property Taxes
Median Dearborn, MO effective property tax rate: 1.26%, significantly higher than the national median of 1.02%, but lower than the Missouri state median of 1.20%.
Median Dearborn, MO home value: $143,742
Median annual Dearborn, MO tax bill: $1,839, $561 lower than the national median property tax bill of $2,400.
How are property taxes in Platte calculated?
Property taxes in Dearborn, MO are calculated based on the tax assessed value, which is often lower than the actual market value due to property tax exemptions such as the homestead or senior exemption.
Understanding Dearborn’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Dearborn, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Dearborn, Platte County, Missouri Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.26%
Estimate Property Tax Bill
$1,811
$1,681
Ownwell’s Dearborn Property Tax Bill Calculator empowers homeowners, real estate investors, and potential buyers to estimate their annual property taxes in Dearborn with just two data points.
By entering your property's estimated assessed value, our calculator applies Dearborn’s median effective tax rate to accurately estimate your property tax bill. Note that your property's assessed value — determined by your county — reflects any exemptions you may have, ensuring a precise calculation for your property tax obligations.
This insightful tool helps you understand potential tax liabilities and highlights how Ownwell can assist in reducing property taxes in Platte County.
For those interested in more localized information, please scroll down to explore city-level trends!
Property Tax Rates Across Dearborn, Platte County, Missouri
Local government entities set tax rates, which can vary widely within a state. Annually, each county estimates its required budget to provide services and divides that by the total value of all taxable property within its jurisdiction. This calculation results in the property tax rate. While there are votes and laws involved in setting tax rates and budgets, in a nutshell, this is the annual process. Below, you can compare Dearborn’s effective property tax rate to other cities in Missouri and the median property tax rates in Missouri and the U.S.
In Dearborn, located in Platte County, the effective property tax rate is 1.26%, which is higher than the national median of 1.02%. This places Dearborn's rate above the national average, reflecting the region's specific budgetary needs and property values. Residents in Dearborn pay a median property tax bill that aligns with these rates, contributing to local services and infrastructure. Understanding these rates is crucial for property owners, as it directly impacts their annual expenses. By staying informed, property owners can make better financial decisions and potentially seek appeals or exemptions if they believe their property has been over-assessed.
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Dearborn Tax Rate
1.26%
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Platte County Tax Rate
1.45%
Median Effective Missouri Tax Rate
1.20%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Dearborn, Platte County, Missouri
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
64439 | 1.17% | 1.25% | 1.26% | 1.35% | 1.35% |
Source: Ownwell
Property Tax Assessment Values Across Dearborn, Platte County, Missouri
When examining property taxes in Dearborn, Missouri, understanding the distinction between "market value" and "assessed value" is crucial. The market value is what a willing buyer would pay to a willing seller in an open and competitive market, often influenced by location, property condition, and economic market trends. The Platte County Assessor's Office estimates the market value for tax purposes. The assessed value is the market value minus any applicable exemptions or limits determined by local laws and offerings. The tax assessed value is the figure used to calculate your property taxes or the amount multiplied by your tax rate to get your tax bill.
In Platte County, assessment notices are sent in the spring each year. They’ll typically reach your mailbox by the middle of April. Each property owner receives an assessment notice containing both the market value and assessed value, along with an estimate of your property tax bill. By providing insights into how assessed and market values are determined, this section helps property owners navigate their tax responsibilities and understand the valuation processes affecting their property taxes in Dearborn. For example, the median home price in Dearborn is $143,742, with tax bills ranging significantly across the county. Zip code 64439 has the highest median home price at $143,742.
Property Tax Assessment Values Across Dearborn, Platte County, Missouri
Source: Ownwell

$110,645
$247,782
$384,919
Median Dearborn Market Value
$143,742
Median Platte County Market Value
$243,632
Median Missouri Market Value
$129,505
Median United States Market Value
$235,294
Property Tax Assessment Values Across Dearborn, Platte County, Missouri
Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
64439 | $78,260 | $102,568 | $143,742 | $187,628 | $239,450 |
Source: Ownwell
Property Tax Bills Across Dearborn, Platte County, Missouri
Median Dearborn Tax Bill
$1,839
Median Platte County Tax Bill
$3,540
Median Missouri Tax Bill
$1,606
Median United States Tax Bill
$2,400
Property Tax Bills Across Dearborn, Platte County, Missouri
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
64439 | $989 | $1,347 | $1,839 | $2,375 | $2,978 |
Source: Ownwell