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Deer Park, Spokane County, Washington Property Taxes

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Property Taxes in Deer Park, Washington

  • Median Deer Park, Washington effective property tax rate: 0.83%, significantly lower than the national median of 1.02%, and lower than the Washington state median of 0.92%.

  • Median Deer Park, Washington home value: $394,240

  • Median annual Deer Park, Washington tax bill: $3,179, $779 higher than the national median property tax bill of $2,400.

How are property taxes in Spokane calculated?

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

Last Updated April 13, 2026

Deer Park, Spokane County, Washington Property Tax Bill Calculator

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

0.83%

Estimate Property Tax Bill

$3,272

$3,037

SAVE WITH OWNWELL

$774

Average Annual Tax Savings

How Does the Deer Park Property Tax Calculator Work?

Use this Deer Park property tax calculator to estimate your annual tax bill. Enter your property's assessed value and our calculator applies Deer Park's median effective tax rate of 0.83% — based on actual property records in Spokane 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 Deer Park'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 Deer Park: rates range from 0.83% in 99006 to 0.83% in 99006, primarily due to differences in school district levies and local assessment districts.

If your estimate is higher than expected, Ownwell can appeal your Deer Park assessment — you only pay if we save you money.

About Deer Park Property Taxes

About Property Taxes in Deer Park, Spokane, Washington

Deer Park’s median effective property tax rate of 0.83% is lower than the Washington state median of 0.92% and lower than the national median of 1.02%. This rate reflects the Spokane 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 Deer Park. Homeowners in the 99006 ZIP code carry a median effective rate of 0.83%, while those in the 99006 pay 0.83%. This spread — 0.00 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Spokane County. Understanding which part of Deer Park you live in can make a meaningful difference to your annual tax bill.

Deer Park homeowners who believe their assessed value is too high can file a formal appeal with the local Tax Assessor before the July 2, 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 Deer Park, Spokane 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 Deer Park'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 Deer Park, Spokane County, Washington

Source: Ownwell

0.53%

0.84%

1.15%

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 Deer Park Tax Rate

0.83%

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 Spokane County Tax Rate

0.95%

Median Effective Washington Tax Rate

0.92%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Deer Park, Spokane County, Washington

Zip10th Percentile25th PercentileMedian Tax Rate75th Percentile90th Percentile
990060.70%0.77%0.83%0.87%0.89%

Source: Ownwell

Property Tax Assessment Values Across Deer Park, Spokane County, Washington

When examining property taxes in Deer Park, 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 Spokane County assessor 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 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 Spokane County, assessment notices are sent in May 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. For Deer Park, the median home price is $394,240, and the median property tax bill is $3,179, compared with the national median property tax rate of 1.02% and national median property tax bill of $2,400. The highest median home price is in 99006 at $394,240.

Property Tax Assessment Values Across Deer Park, Spokane County, Washington

Source: Ownwell

$131,550

$370,775

$610,000

Median Deer Park Market Value

$394,240

Median Spokane County Market Value

$370,100

Median Washington Market Value

$501,600

Median United States Market Value

$235,294

Property Tax Assessment Values Across Deer Park, Spokane County, Washington

Zip10th Percentile25th PercentileMedian Home Price75th Percentile90th Percentile
99006$184,100$285,225$394,240$517,975$664,490

Source: Ownwell

Property Tax Bills Across Deer Park, Spokane County, Washington

Property tax bills in Deer Park are calculated by applying local tax rates to a home’s assessed value, which is based on the market value of the property. For homeowners, that means a higher assessed value can lead to a higher tax bill, even when the home itself has not changed. In Spokane County, the median home price is $394,240, and the median property tax bill is $3,179, which is above the national median property tax bill of $2,400 and the national median property tax rate of 1.02%.

Your bill can also vary depending on where your home is located and how your assessment compares with similar properties. The tax bill range in the area shows how much homeowners can pay, with the 25th percentile at $2,148 and the 90th percentile at $5,473.

Ownwell helps homeowners lower property tax bills by reviewing assessments, identifying possible overassessments, and filing appeals when appropriate. That can help reduce what you owe and keep your property taxes more aligned with your home’s true market value.

Property Tax Bills Across Deer Park, Spokane County, Washington

Source: Ownwell

$1,043

$3,514

$5,985

Median Deer Park Tax Bill

$3,179

Median Spokane County Tax Bill

$3,501

Median Washington Tax Bill

$4,512

Median United States Tax Bill

$2,400

Property Tax Bills Across Deer Park, Spokane County, Washington

Zip10th Percentile25th PercentileMedian Tax Bill75th Percentile90th Percentile
99006$763$2,148$3,179$4,277$5,473

Source: Ownwell

Don't miss the deadline to appeal!

Frequently Asked Property Tax Questions in Deer Park, Washington

How are property taxes calculated in Deer Park, Washington?
Property taxes in Deer Park, 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 Deer Park, Washington?
To appeal your property taxes in Deer Park, 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 Deer Park, Washington?
Common property tax exemptions in Deer Park, 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 Deer Park, Washington?
Property tax deadlines in Deer Park, 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 Deer Park, Washington?
Ownwell provides professional property tax appeal services in Deer Park, 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.