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Williamson County, TN Property Tax Calculator

Williamson County homeowners pay a median $3,004 a year in property tax, 0.40% of a median $751,900 home: below Tennessee's 0.50% and the national 0.94%.

At an effective rate of 0.40%, a $751,900 home pays about $3,008 a year in property tax, $251 a month.

Property tax a year
$3,008
A month (for escrow)
$251
Effective rate on the home
0.40%

Property tax in Williamson County by home value, at 0.40%

Home valueA yearA month
$200,000$800$67
$300,000$1,200$100
$400,000$1,600$133
$500,000$2,000$167
$750,000$3,000$250
$1,000,000$4,000$333

Williamson County against Tennessee and the US

Effective rateMedian taxMedian home valueMedian household income
Williamson County0.40%$3,004$751,900$135,594
Tennessee0.50%$1,442$286,700$69,595
United States0.94%$3,119$332,700$80,734

How this calculator works

Median real estate taxes paid ÷ median home value in Williamson County, from the Census Bureau's American Community Survey 2020–2024 5-year estimates. The calculator starts at the county's median home value and rate.

What it assumes

  • Cities, school districts and special districts within the county levy different rates, so bills vary within it.
  • Survey figures cover 2020 to 2024 and lag recent reassessments.

Questions people ask

What is the property tax rate in Williamson County?

The effective rate is 0.40%: a median $3,004 a year on a median $751,900 home. That's the 29th highest of the 33 Tennessee counties we cover.

How much is property tax on a $400,000 house in Williamson County?

About $1,600 a year, $133 a month, at the county's effective rate, before any exemption.

How does Williamson County compare with the rest of Tennessee?

Its rate is below the state's 0.50%. Across Tennessee, covered counties range from 0.28% to 0.97%.

How do I lower my Williamson County property tax?

Apply for every exemption you qualify for, such as a homestead exemption, and appeal your assessment if it is higher than comparable homes sold nearby; the county assessor explains the deadlines.

Other Tennessee counties

Related calculators

  • Tennessee Property Tax CalculatorTennessee homeowners pay a median $1,442 a year in property tax, 0.50% of a median $286,700 home: the 43rd highest effective rate of the 50 states and DC.
  • Tennessee Mortgage CalculatorYour monthly mortgage payment in Tennessee, with Tennessee's effective property tax rate (0.50%) built in, at this week's average rate. The calculator starts at the state's median home value, $286,700.
  • Home Affordability CalculatorThe home price your income supports under the 28/36 guideline lenders use, counting your other debts, down payment, taxes and insurance, at this week's average rate.

Sources

Updated by the RateHerald team. The maths is tested against worked examples; report a problem.