Union, Franklin County, Missouri Property Taxes
Median Union, MO effective property tax rate: 1.14%, significantly higher than the national median of 1.02%, but lower than the Missouri state median of 1.20%.
Median Union, MO home value: $146,355
Median annual Union, MO tax bill: $1,675, $725 lower than the national median property tax bill of $2,400.
How are property taxes in Franklin calculated?
Property taxes in Union, 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 Union’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Union, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Union, Franklin County, Missouri Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.14%
Estimate Property Tax Bill
$1,668
$1,548
Property Tax Rates Across Union, Franklin County, Missouri
Local government entities set tax rates, which can vary widely within a state. Each county estimates its required budget annually to provide services and divides that by the total value of all taxable property within its jurisdiction, resulting in the property tax rate. While votes and laws are involved in setting tax rates and budgets, this is the annual process in a nutshell.
In UNION, located in Franklin County, MO, property tax rates are a key consideration for homeowners. UNION's effective property tax rate is an important metric for residents to understand, especially when compared to other cities in Missouri. Missouri's median property tax rate is 1.14%, slightly above the national median rate of 1.02%. Understanding these rates can help property owners anticipate their annual tax bills, which are crucial for financial planning.
By comparing UNION’s rates to the national and state medians, residents can better appreciate their local tax environment. This knowledge empowers homeowners to make informed decisions about property ownership and tax appeals, potentially leading to savings and more effective financial management.
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 Union Tax Rate
1.14%
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 Franklin County Tax Rate
1.08%
Median Effective Missouri Tax Rate
1.20%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Union, Franklin County, Missouri
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
63084 | 1.01% | 1.01% | 1.14% | 1.14% | 1.14% |
Source: Ownwell
Property Tax Assessment Values Across Union, Franklin County, Missouri
When examining property taxes in Union, 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 Franklin 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 Franklin County, assessment notices are sent in the spring each year. They’ll typically reach your mailbox by the middle of May. Each property owner receives an assessment notice that contains 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 Union.
For example, the median home price in Union is $146,355, with tax bills ranging significantly across the county. Zip code 63084 has the highest median home price at $146,355.
Property Tax Assessment Values Across Union, Franklin County, Missouri
Source: Ownwell

$94,900
$354,785
$614,670
Median Union Market Value
$146,355
Median Franklin County Market Value
$143,800
Median Missouri Market Value
$129,505
Median United States Market Value
$235,294
Property Tax Assessment Values Across Union, Franklin County, Missouri
Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
63084 | $43,510 | $99,392 | $146,355 | $193,418 | $250,879 |
Source: Ownwell
Property Tax Bills Across Union, Franklin County, Missouri
Median Union Tax Bill
$1,675
Median Franklin County Tax Bill
$1,687
Median Missouri Tax Bill
$1,606
Median United States Tax Bill
$2,400
Property Tax Bills Across Union, Franklin County, Missouri
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
63084 | $821 | $1,227 | $1,675 | $2,130 | $2,672 |
Source: Ownwell