King County, Texas Property Taxes
Property Taxes in King County, Texas
Median King County effective property tax rate: 1.68%, significantly higher than the national median of 1.02%.
Median King County home value: $31,920
Median annual King County tax bill: $468, lower than the national median property tax bill of $2,400.
How are property taxes in King County calculated?
Property taxes in King 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 your county's property tax system, exemptions, and reduction opportunities can lead to significant savings. Whether you live in King County or another part of King County, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
King County, Texas Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.68%
Estimate Property Tax Bill
$536
$498
How Does the King County Property Tax Calculator Work?
Use this King County property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies King County's median effective tax rate of 1.68% 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. King County's median effective tax rate is higher than the state median tax rate of 1.48% and above the national median property tax rate of 1.02%.
For a more precise estimate, scroll down to explore city and ZIP code-level tax rate trends across King County.
Property Tax Rates Across King County, Texas
What Are Effective Property Tax Rates Across King County?
Local government entities set tax rates, which vary widely across King 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 King County's effective property tax rate to other counties in Texas or the U.S. median of 1.02%.
King County's median effective rate stands at 1.68%, which is higher than the national median of 1.02%. Within King County, the highest rate is found in Guthrie at 1.68%, while Paducah has the lowest at 1.68%.
These variations reflect differences in local school district levies, Municipal Utility Districts (MUDs) assessments, and special district bonds — which compound the base county rate.
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 King County Tax Rate
1.68%
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 Texas Tax Rate
1.48%
Median Effective United States Tax Rate
1.02%
Property Tax Assessment Values Across King County, Texas
When examining property taxes in King 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 King 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 King 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 understanding how assessed and market values are determined, property owners can better navigate their tax responsibilities and the valuation process affecting their property taxes in King County.
For example, the median tax bill in King County is $468, which is well below the national median property tax bill of $2400 and far under the national median property tax rate of 1.02%. Tax bills range across the county, with Guthrie posting the highest median tax bill at $488.00 and Paducah having the highest median home price at $50185.00.
Median King County Market Value
$31,920
Median Texas Market Value
$258,851
Median United States Market Value
$235,294
Property Tax Bills Across King County, Texas
Property tax bills in King County are based on the assessed value of a home, not the purchase price, and local tax rates are applied to that value to determine what a homeowner owes. When assessed values rise, tax bills can increase even if the home has not been sold. The county’s median home price is $31,920, which helps show how property taxes are tied to local market conditions and assessment practices.
Homeowners in King County see a wide range of tax bills, with the 25th percentile at $264, the 75th percentile at $847, and the 90th percentile at $1,646. The median tax bill is $488 in Guthrie and $434 in Paducah, showing that bills can vary by location within the county. Compared with the national median property tax rate of 1.02% and the national median property tax bill of $2,400, King County homeowners generally face lower property tax bills, though the amount still depends on the home’s assessed value and the local tax rate.
Median King County Tax Bill
$468
Median Texas Tax Bill
$3,441
Median United States Tax Bill
$2,400
Don't miss the deadline to protest!
Dates | |
|---|---|
| Appeal Deadline | May 15 |
Links | |
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| King Appraisal District | |
| Website | www.kingcad.org |