Union County, Tennessee Property Taxes

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Property Taxes in Union County, Tennessee

Median Union County effective property tax rate: 0.47%, significantly lower than the national median of 1.02%.
Median Union County home value: $156,500
Median annual Union County tax bill: $714, $1,686 lower than the national median property tax bill of $2,400.

How are property taxes in Union County calculated?

Property taxes in Union County 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 County’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Whether you live in Union or another part of Union County, knowing local tax details benefits homeowners and investors.

Last Updated April 13, 2026

Union County, Tennessee Property Tax Bill Calculator

Property Assessed Value

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

0.47%

Estimate Property Tax Bill

$736

$683

How Does the Union County Property Tax Calculator Work?

Use this Union County property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Union County's median effective tax rate of 0.47% to generate your estimate.

Enter your property's estimated assessed value — the figure the appraisal district assigns for tax purposes, which is typically lower than market value after applicable exemptions. Our calculator uses the median effective rate for a more accurate estimate than the statutory millage rate alone.

Your actual bill may vary based on your specific exemptions, local school district levies, and any special assessment districts that apply to your property. Union County’s median tax bill of $714 is lower than the Tennessee median tax bill by $1,686, and the county rate is also lower than the 1.02% national median property tax rate.

For a more precise estimate, scroll down to explore city and ZIP code-level tax rate trends across Union County.

Property Tax Rates Across Union County, Tennessee

What Are Effective Property Tax Rates Across Union County?

Local government entities set tax rates, which vary widely across Union County. Each year, the county estimates its budget for public services and divides that total by the assessed value of all taxable property within its jurisdiction.

Below, compare Union County's effective property tax rate to other counties in Tennessee or the U.S. median of 1.02%.

Union County's median effective rate stands at 0.47%, which is lower than the national median of 1.02%. Within Union County, the highest rate is found in Corryton at 0.48%, while New Tazewell has the lowest at 0.47%.

These variations reflect differences in local school district levies, special assessment districts assessments, and special district bonds — which compound the base county rate.

Property Tax Rates Across Union County, Tennessee

Source: Ownwell

0.47%

0.48%

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 County Tax Rate

0.47%

Median Effective Tennessee Tax Rate

0.54%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Union County, Tennessee

City	10th Percentile	25th Percentile	Median Tax Rate	75th Percentile	90th Percentile
Andersonville	0.47%	0.47%	0.47%	0.48%	0.48%
Corryton	0.47%	0.47%	0.48%	0.48%	0.76%
Heiskell	0.47%	0.47%	0.47%	0.48%	0.48%
Luttrell	0.34%	0.47%	0.47%	0.48%	0.48%
Maynardville	0.47%	0.47%	0.47%	0.48%	0.48%
New Tazewell	0.28%	0.42%	0.47%	0.48%	0.48%
Powder Springs	0.34%	0.47%	0.47%	0.48%	0.48%
Sharps Chapel	0.40%	0.47%	0.47%	0.48%	0.48%
Speedwell	0.47%	0.47%	0.47%	0.48%	0.48%
Washburn	0.33%	0.47%	0.47%	0.48%	0.48%
Knoxville	N/A	N/A	N/A	N/A	N/A

Source: Ownwell

Property Tax Assessment Values Across Union County, Tennessee

When examining property taxes in Union County, 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 Union County appraisal district 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.

Assessment notices:

In Union 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 that contains both the market value and assessed value, along with an estimate of your property tax bill. The median tax bill in Union County is $714, compared with the national median property tax bill of $2400. Tax bills range significantly across the county, from $310 in Speedwell to $1237 in Sharps Chapel. Sharps Chapel also has the highest median home price at $289500.

Property Tax Assessment Values Across Union County, Tennessee

Source: Ownwell

$66,500

$178,000

$289,500

Median Union County Market Value

$156,500

Median Tennessee Market Value

$213,900

Median United States Market Value

$235,294

Property Tax Assessment Values Across Union County, Tennessee

City	10th Percentile	25th Percentile	Median Home Price	75th Percentile	90th Percentile
Andersonville	$32,840	$79,600	$167,600	$290,200	$401,120
Corryton	$8,700	$54,900	$160,500	$204,500	$259,880
Heiskell	$33,700	$64,000	$110,700	$183,600	$235,440
Luttrell	$31,900	$63,500	$123,100	$201,500	$298,900
Maynardville	$30,800	$84,350	$157,000	$228,300	$360,200
New Tazewell	$31,500	$62,875	$136,200	$190,750	$284,350
Powder Springs	$27,820	$55,900	$124,500	$180,625	$253,950
Sharps Chapel	$51,200	$122,600	$289,500	$479,650	$697,180
Speedwell	$19,120	$34,000	$66,500	$130,500	$201,400
Washburn	$48,260	$93,800	$132,500	$228,100	$304,480
Knoxville	N/A	N/A	N/A	N/A	N/A

Source: Ownwell

Property Tax Bills Across Union County, Tennessee

Property tax bills in Union County are based on the assessed value of a home, not its market value alone. Local taxing authorities apply the county’s tax rate to that assessed value, and the final bill reflects where the property is located, since different districts can affect the total amount owed.

With a median home price of $156,500, homeowners can see very different bills depending on their property and neighborhood. The county’s tax bill distribution shows that the 25th percentile is $347, the 75th percentile is $1,081, and the 90th percentile is $1,828. That range shows how taxes can rise as assessed values and local levies increase.

For homeowners, property taxes are a major part of the cost of owning a home and can change how affordable a property feels over time. In Union County, the highest median tax bill is $1,237 in Sharps Chapel, while the lowest median tax bill is $310 in Speedwell.

Property Tax Bills Across Union County, Tennessee

Source: Ownwell

$310

$774

$1,237

Median Union County Tax Bill

$714

Median Tennessee Tax Bill

$1,126

Median United States Tax Bill

$2,400

Property Tax Bills Across Union County, Tennessee

City	10th Percentile	25th Percentile	Median Tax Bill	75th Percentile	90th Percentile
Andersonville	$158	$360	$763	$1,318	$1,860
Corryton	$62	$259	$753	$962	$1,207
Heiskell	$160	$304	$487	$790	$1,058
Luttrell	$154	$294	$545	$861	$1,200
Maynardville	$147	$385	$727	$1,029	$1,524
New Tazewell	$150	$251	$528	$816	$1,104
Powder Springs	$132	$266	$477	$757	$1,160
Sharps Chapel	$237	$527	$1,237	$2,230	$3,270
Speedwell	$91	$158	$310	$607	$936
Washburn	$211	$346	$576	$957	$1,346
Knoxville	N/A	N/A	N/A	N/A	N/A

Source: Ownwell

Don't miss the deadline to appeal!

Dates
Appeal Deadline	May 31

Links
Union Tax Assessor
Website	www.assessment.cot.tn.gov

Frequently Asked Property Tax Questions in Union County, Tennessee

How are property taxes calculated in Union County, Tennessee?

Property taxes in Union County, Tennessee are calculated by multiplying your property's assessed value by the applicable tax rate set by local taxing authorities. The assessed value is determined by the county assessor and may differ from your property's market value depending on local assessment ratios and exemptions.

How do I appeal my property taxes in Union County, Tennessee?

To appeal your property taxes in Union County, Tennessee, you typically need to file a formal protest or appeal with your local appraisal district or assessor's office by the stated deadline. You'll need evidence such as comparable sales, a recent independent appraisal, or documentation of property condition issues. Ownwell can handle this entire process for you.

What property tax exemptions are available in Union County, Tennessee?

Common property tax exemptions in Union County, Tennessee include homestead exemptions for primary residences, senior citizen exemptions, veteran exemptions, and disability exemptions. Exemption amounts and eligibility requirements vary by county. Contact your local appraisal district or check Ownwell for details specific to your property.

When are property taxes due in Union County, Tennessee?

Property tax deadlines in Union County, Tennessee vary by county but typically include an assessment notice period in spring or early summer, followed by an appeal deadline, and a tax payment due date in the fall or winter. Check with your county assessor's office for specific dates in your area.

How can Ownwell help reduce my property taxes in Union County, Tennessee?

Ownwell provides professional property tax appeal services in Union County, Tennessee. Our team analyzes your assessment, gathers evidence, files all paperwork, and represents you at hearings — all with no upfront cost. You only pay a percentage of your savings if we successfully lower your tax bill.