Prosser, Yakima County, Washington Property Taxes

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Property Taxes in Prosser, Washington

Median Prosser, Washington effective property tax rate: 1.00%, significantly lower than the national median of 1.02%, and lower than the Washington state median of 0.92%.
Median Prosser, Washington home value: $257,500
Median annual Prosser, Washington tax bill: $2,632, lower than the national median property tax bill of $2,400.

How are property taxes in Yakima calculated?

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

Last Updated April 13, 2026

Prosser, Yakima County, Washington Property Tax Bill Calculator

Property Assessed Value

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

Estimate Property Tax Bill

$2,575

$2,390

How Does the Prosser Property Tax Calculator Work?

Use this Prosser property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Prosser's median effective tax rate of 1.00% — based on actual property records in Yakima 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 Prosser'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 Prosser: rates range from 1.00% in 99350 to 1.00% in 99350, 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 Prosser.

About Prosser Property Taxes

About Property Taxes in Prosser, Yakima, Washington

Prosser's median effective property tax rate of 1.00% is lower than the Washington state median of 0.92% and lower than the national median of 1.02%. This rate reflects the Yakima County base levy combined with local school district levies and Local improvement districts (LIDs) that vary by subdivision throughout the city.

Property tax rates are not uniform across Prosser. Homeowners in the 99350 ZIP code carry a median effective rate of 1.00%, while those in 99350 pay 1.00%. This spread — 0.00 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Yakima County. Understanding which part of Prosser you live in can make a meaningful difference to your annual tax bill.

Prosser 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 Prosser, Yakima 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 Prosser'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 Prosser, Yakima County, Washington

Source: Ownwell

0.88%

1.07%

1.27%

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 Prosser Tax Rate

1.00%

Median Effective Yakima County Tax Rate

1.05%

Median Effective Washington Tax Rate

0.92%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Prosser, Yakima County, Washington

Zip	10th Percentile	25th Percentile	Median Tax Rate	75th Percentile	90th Percentile
99350	0.93%	0.95%	1.00%	1.19%	1.23%

Source: Ownwell

Property Tax Assessment Values Across Prosser, Yakima County, Washington

When examining property taxes in Prosser, 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. Yakima County 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 Yakima County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of September.

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 Prosser.

For example, the median home price in Prosser is $257,500, with tax bills ranging significantly across the county. 99350 has the highest median home price at $257,500.

Property Tax Assessment Values Across Prosser, Yakima County, Washington

Source: Ownwell

$116,900

$223,000

$329,100

Median Prosser Market Value

$257,500

Median Yakima County Market Value

$236,000

Median Washington Market Value

$501,600

Median United States Market Value

$235,294

Property Tax Assessment Values Across Prosser, Yakima County, Washington

Zip	10th Percentile	25th Percentile	Median Home Price	75th Percentile	90th Percentile
99350	$154,300	$206,800	$257,500	$332,100	$367,800

Source: Ownwell

Property Tax Bills Across Prosser, Yakima County, Washington

Property tax bills in Prosser are based on the assessed value of a home and the local tax rates set by taxing authorities. For a median-priced home of $257,500, the property tax bill is shaped by how that assessed value is taxed in Yakima County, along with any local levies that apply to the property.

The typical tax bill in Prosser is $2,632, which is slightly above the national median property tax bill of $2,400. That means homeowners here often pay more than the typical U.S. homeowner, even though the bill can vary widely by home value and location.

For many homeowners, the tax bill reflects not just the home’s market value, but also how that value is assessed for tax purposes. Bills can range from $2,377 at the 25th percentile to $3,466 at the 75th percentile, with the 90th percentile reaching $3,890. These differences show how property taxes can affect household budgets depending on the home and its assessed value.

Property Tax Bills Across Prosser, Yakima County, Washington

Source: Ownwell

$1,280

$2,498

$3,715

Median Prosser Tax Bill

$2,632

Median Yakima County Tax Bill

$2,551

Median Washington Tax Bill

$4,512

Median United States Tax Bill

$2,400

Property Tax Bills Across Prosser, Yakima County, Washington

Zip	10th Percentile	25th Percentile	Median Tax Bill	75th Percentile	90th Percentile
99350	$1,418	$2,377	$2,632	$3,466	$3,890

Source: Ownwell

Don't miss the deadline to appeal!

Dates
Appeal Deadline	November 19
Tax Bill
Issued	February 10
Due Date #1	April 30
Due Date #2	October 31

Links
Yakima Tax Assessor
Website	www.yakimacounty.us

Frequently Asked Property Tax Questions in Prosser, Washington

How are property taxes calculated in Prosser, Washington?

Property taxes in Prosser, 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 Prosser, Washington?

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

Common property tax exemptions in Prosser, 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 Prosser, Washington?

Property tax deadlines in Prosser, 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 Prosser, Washington?

Ownwell provides professional property tax appeal services in Prosser, 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.