Kennewick, Franklin County, Washington Property Taxes

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Property Taxes in Kennewick, Washington

Median Kennewick, Washington effective property tax rate: 0.79%, significantly lower than the national median of 1.02%, and lower than the Washington state median of 0.92%.
Median Kennewick, Washington home value: $328,050
Median annual Kennewick, Washington tax bill: $2,441, $41 higher than the national median property tax bill of $2,400.

How are property taxes in Franklin County calculated?

Property taxes in Kennewick, Washington 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 Kennewick's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Kennewick, knowing local tax details benefits homeowners and investors.

Last Updated April 13, 2026

Kennewick, Franklin County, Washington Property Tax Bill Calculator

Property Assessed Value

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

0.79%

Estimate Property Tax Bill

$2,592

$2,405

How Does the Kennewick Property Tax Calculator Work?

Use this Kennewick property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Kennewick's median effective tax rate of 0.79% — based on actual property records in Franklin County — to generate your estimate.

Enter your property's estimated assessed value — the figure the local appraisal district uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Kennewick's median effective rate across all local levies, providing a more accurate estimate than applying a single county millage rate.

Your bill may vary by ZIP code within Kennewick: rates range from the lowest ZIP code rate to the highest ZIP code rate, primarily due to differences in school district levies and local assessment districts.

For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Kennewick.

About Kennewick Property Taxes

About Property Taxes in Kennewick, Franklin, Washington

Kennewick’s median effective property tax rate of 0.79% is lower than the Washington state median of 0.92% and lower than the national median of 1.02%. This rate reflects the Franklin County base levy combined with local school district levies and local improvement districts that vary by subdivision throughout the city.

Property tax rates are not uniform across Kennewick. Homeowners in the highest ZIP code carry a median effective rate of 0.79%, while those in the lowest ZIP code pay 0.79%. This spread reflects how school district boundaries and local assessment districts are drawn across Franklin County. Understanding which part of Kennewick you live in can make a meaningful difference to your annual tax bill.

Kennewick homeowners who believe their assessed value is too high can file a formal appeal with the local Tax Assessor before the July 1, 2026 deadline each year.

If your estimated bill above seems higher than expected, Ownwell can review your assessment and protest on your behalf. You only pay if we save you money.

Property Tax Rates Across Kennewick, Franklin County, Washington

As noted earlier, local government entities set tax rates, which can vary widely within a state.

Why? Because annually, each county estimates its required budget to provide services and divides that by the total value of all taxable property within its jurisdiction. This calculation results in the property tax rate.

While there are votes and laws involved in setting tax rates and budgets, in a nutshell, this is the annual process.

Below, you can compare Kennewick's effective property tax rate to other cities in Washington and the median property tax rates in Washington and the U.S.

Property Tax Rates Across Kennewick, Franklin County, Washington

Source: Ownwell

0.59%

0.69%

0.79%

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 Kennewick Tax Rate

0.79%

Median Effective Franklin County Tax Rate

0.79%

Median Effective Washington Tax Rate

0.92%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Kennewick, Franklin County, Washington

Zip	10th Percentile	25th Percentile	Median Tax Rate	75th Percentile	90th Percentile
99336	N/A	N/A	N/A	N/A	N/A
99337	N/A	N/A	N/A	N/A	N/A
99338	N/A	N/A	N/A	N/A	N/A

Source: Ownwell

Property Tax Assessment Values Across Kennewick, Franklin County, Washington

When examining property taxes in Kennewick, Washington, 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 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 Franklin County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of the month when notices are sent.

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 Kennewick.

For example, the median home price in Kennewick is $328,050, with tax bills ranging significantly across the county. The median tax bill is $2,441, compared with the national median property tax bill of $2,400.

Property Tax Assessment Values Across Kennewick, Franklin County, Washington

Source: Ownwell

$93,400

$243,150

$392,900

Median Kennewick Market Value

$328,050

Median Franklin County Market Value

$384,500

Median Washington Market Value

$501,600

Median United States Market Value

$235,294

Property Tax Assessment Values Across Kennewick, Franklin County, Washington

Zip	10th Percentile	25th Percentile	Median Home Price	75th Percentile	90th Percentile
99336	N/A	N/A	N/A	N/A	N/A
99337	N/A	N/A	N/A	N/A	N/A
99338	N/A	N/A	N/A	N/A	N/A

Source: Ownwell

Property Tax Bills Across Kennewick, Franklin County, Washington

How are property tax bills calculated in Kennewick?

Property tax bills in Kennewick are based on the assessed value of a home and the local tax rates set by taxing authorities. The assessed value reflects what the property is worth for tax purposes, and that value is multiplied by the applicable tax rate to determine the bill. For homeowners, this means a higher assessed value usually leads to a higher tax bill, while a lower assessed value can reduce what is owed.

What factors affect the amount owed? Home value, local levies, and exemptions all play a role in the final bill. In Kennewick, the median home price is $328,050, and property tax bills commonly range from $1,855 at the 25th percentile to $3,032 at the 75th percentile, with the 90th percentile reaching $3,351. Compared with the national median property tax rate of 1.02% and national median property tax bill of $2,400, these figures show how local assessments can significantly affect homeowners.

Property Tax Bills Across Kennewick, Franklin County, Washington

Source: Ownwell

$663

$1,878

$3,092

Median Kennewick Tax Bill

$2,441

Median Franklin County Tax Bill

$3,020

Median Washington Tax Bill

$4,512

Median United States Tax Bill

$2,400

Property Tax Bills Across Kennewick, Franklin County, Washington

Zip	10th Percentile	25th Percentile	Median Tax Bill	75th Percentile	90th Percentile
99336	N/A	N/A	N/A	N/A	N/A
99337	N/A	N/A	N/A	N/A	N/A
99338	N/A	N/A	N/A	N/A	N/A

Source: Ownwell

Don't miss the deadline to appeal!

Dates
Appeal Deadline	July 1

Links
Franklin Tax Assessor
Website	terra.co.franklin.wa.us

Frequently Asked Property Tax Questions in Kennewick, Washington

How are property taxes calculated in Kennewick, Washington?

Property taxes in Kennewick, Washington 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 Kennewick, Washington?

To appeal your property taxes in Kennewick, Washington, 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 Kennewick, Washington?

Common property tax exemptions in Kennewick, Washington 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 Kennewick, Washington?

Property tax deadlines in Kennewick, Washington 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 Kennewick, Washington?

Ownwell provides professional property tax appeal services in Kennewick, Washington. 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.