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Williamson County, TX Property Tax Search

Want to find out what the tax bill is for a specific property?

Easily run a rapid Williamson County, TX property tax search. Just type in the exact address in the search bar below and instantly know the targeted property's bill for the latest tax year.

In-depth Williamson County, TX Property Tax Information

Get in-depth information on all of the factors that affect your targeted property's taxes with a free account. Access a rundown of its value, tax rates and tax exemptions, like in the sample below.

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See detailed property tax information from the sample report for 1113 woodlief Trl, Williamson County, TX

Property Tax Calculation

The Texas Tax Code establishes the framework by which local governments levy and collect property taxes. Usually county governments impose the largest taxes, and often there are additional taxes imposed by special taxation districts. The primary expenditures funded by property taxes are K-12 schools and infrastructure and services like roads and emergency services.

Market Value

Market value has been defined by The Supreme Court as the sale price of real estate as agreed upon between a willing buyer and willing seller, with neither being under duress to buy or sell.

Appraised Value

Establishing the appraised value of a property is the first step towards determining its taxable value. Appraised value is calculated by using the Agricultural/Timber Use Value instead of the agriculture or timber market value. If there are no such values, then appraised value will be equal to market value.

This property does not have agricultural/timber use value; the appraised value is therefore equal to market value.

Assessed Value

The second step is determining the property's assessed value, which is obtained by subtracting the homestead cap loss value from the appraised value. This applies only in the case of a residential homestead and cannot exceed either the market value or the preceding year's appraised value plus 10% plus the value of any improvements added since the last re-appraisal.

Property Tax

Property tax is calculated by multiplying appraised value by all the applicable tax rates and is an estimate of what an owner not benefiting from tax exemptions or deductions would pay.

Tax description	Assessed value		Tax rate		Tax amount
Williamson Cad	$393,851	x	0.0000	=	$0
Upper Brushy Creek Wcid	$393,851	x	0.0170	=	$66.95
WMSN CO FM/RD	$393,851	x	0.0443	=	$174.59
Austin Community College	$393,851	x	0.1034	=	$407.24
Williamson CO	$393,851	x	0.3694	=	$1,455.07
Round Rock	$393,851	x	0.3720	=	$1,465.13
Round Rock	$393,851	x	0.8931	=	$3,517.48
Property tax	$393,851	x	1.7993	=	$7,087

Actual taxes might differ from the figures displayed here due to various abatement and financial assistance programs. For more information please visit Williamson County's Appraisal District, Tax Assessor-Collector or look up this property's current valuation and tax situation.

Assessment History

Year	Property type	Market value	Assessment value	Total tax rate	Property tax
2025	Duplex	$393,851	$393,851	1.7993	$7,087
2024	Duplex	$408,401	$408,401	1.7714	$7,234
2023	Duplex	$404,464	$404,464	1.754	$7,094
2022	Duplex	$438,454	$438,454	1.8964	$8,315
2021	Duplex	$334,074	$334,074	2.0937	$6,995
2020	Duplex	$289,605	$289,605	2.244719	$6,501
2019	Duplex	$274,750	$274,750	2.257419	$6,202
2018	Duplex	$249,317	$249,317	2.308629	$5,756
2017	Duplex	$218,185	$218,185	2.322129	$5,067
2016	Duplex	$188,863	$188,863	2.355852	$4,449
2015	Duplex	$184,670	$184,670	2.349179	$4,338
2014	Duplex	$140,555	$140,555	2.352879	$3,307
2013	Duplex	$145,208	$145,208	2.390819	$3,472
2012	Duplex	$130,192	$130,192	2.404479	$3,130
2011	Duplex	$131,328	$131,328	2.360697	$3,100
2010	Duplex	$143,926	$143,926

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Williamson County Stats for Property Taxes

For an easier overview of the difference in tax rates between counties, explore the charts below. You can also get additional insights on median home values, income levels and homeownership rates in your area.

Effective tax rate (%)

Williamson County

1.83% of Assessed Home Value

Texas

1.63% of Assessed Home Value

National

1.02% of Assessed Home Value

Median real estate taxes paid

Williamson County

$6,790

Texas

$3,872

National

$2,869

Median home value

Williamson County

$370,100

Texas

$238,000

National

$281,900

Median income

Williamson County

$102,851

Texas

$73,035

National

$75,149

Owner occupied housing (%)

Williamson County

67.7%

Texas

62.4%

National

64.8%

Renter occupied housing (%)

Williamson County

32.3%

Texas

37.6%

National

35.2%

Frequently Asked Questions on Property Taxes

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Land value		$77,000
Improvement value	+	$316,851
Market value	=	$393,851

Williamson County, TX Property Tax Search

Want to find out what the tax bill is for a specific property?

Easily run a rapid Williamson County, TX property tax search. Just type in the exact address in the search bar below and instantly know the targeted property's bill for the latest tax year.

Property Taxes

In-depth Williamson County, TX Property Tax Information

See detailed property tax information from the sample report for 1113 woodlief Trl, Williamson County, TX

Property Tax Calculation

Assessment History

Williamson County Stats for Property Taxes

Effective tax rate (%)

Median real estate taxes paid

Median home value

Median income

Owner occupied housing (%)

Renter occupied housing (%)

Frequently Asked Questions on Property Taxes

Tap into one of the biggest real estate data sources and save time and effort with PropertyShark

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