Home
/US Property Taxes
/Washington
/Snohomish County
/Mill Creek

Mill Creek, Snohomish County, Washington Property Taxes

$774 avg. annual savings
No Upfront Costs
You only pay if we save

Property Taxes in Mill Creek, Washington

  • Median Mill Creek, Washington effective property tax rate: 0.87%, significantly lower than the national median of 1.02%, and lower than the Washington state median of 0.92%.

  • Median Mill Creek, Washington home value: $865,100

  • Median annual Mill Creek, Washington tax bill: $7,521, $5,121 higher than the national median property tax bill of $2,400.

How are property taxes in Snohomish calculated?

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

Last Updated April 13, 2026

Mill Creek, Snohomish County, Washington Property Tax Bill Calculator

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

0.87%

Estimate Property Tax Bill

$7,526

$6,984

SAVE WITH OWNWELL

$774

Average Annual Tax Savings

How Does the Mill Creek Property Tax Calculator Work?

Use this Mill Creek property tax calculator to estimate your annual tax bill. Enter your property's assessed value and our calculator applies Mill Creek's median effective tax rate of 0.87% — based on actual property records in Snohomish County — to generate your estimate.

Enter your property's estimated assessed value — the figure the local assessor uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Mill Creek'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 Mill Creek: rates range from 0.87% in 98012 to 0.87% in 98012, primarily due to differences in school district levies and local assessment districts. Mill Creek's median property tax bill of $7,521 is higher than the national median property tax bill of $2,400 and higher than the Washington median property tax bill by $5,121.

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

About Mill Creek Property Taxes

About Property Taxes in Mill Creek, Snohomish, Washington

Mill Creek's median effective property tax rate of 0.87% is lower than the Washington state median of 0.92% and lower than the national median of 1.02%. This rate reflects the Snohomish 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 Mill Creek. Homeowners in ZIP code 98012 carry a median effective rate of 0.87%, while those in the same ZIP also pay 0.87%. This spread reflects how school district boundaries and local assessment districts are drawn across Snohomish County.

Mill Creek homeowners who believe their assessed value is too high can file a formal appeal with the Tax Assessor before August 26, 2026.

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 Mill Creek, Snohomish 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 Mill Creek'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 Mill Creek, Snohomish County, Washington

Source: Ownwell

0.63%

0.78%

0.93%

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 Mill Creek Tax Rate

0.87%

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 Snohomish County Tax Rate

0.80%

Median Effective Washington Tax Rate

0.92%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Mill Creek, Snohomish County, Washington

Zip10th Percentile25th PercentileMedian Tax Rate75th Percentile90th Percentile
980120.81%0.85%0.87%0.90%0.96%

Source: Ownwell

Property Tax Assessment Values Across Mill Creek, Snohomish County, Washington

When examining property taxes in Mill Creek, 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 Snohomish 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 Snohomish County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of June.

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. The median home price in Mill Creek is $865,100, with a median tax bill of $7,521, well above the national median property tax bill of $2,400. Mill Creek’s tax burden is also higher than the national median property tax rate of 1.02%.

Property Tax Assessment Values Across Mill Creek, Snohomish County, Washington

Source: Ownwell

$333,900

$1,111,050

$1,888,200

Median Mill Creek Market Value

$865,100

Median Snohomish County Market Value

$650,900

Median Washington Market Value

$501,600

Median United States Market Value

$235,294

Property Tax Assessment Values Across Mill Creek, Snohomish County, Washington

Zip10th Percentile25th PercentileMedian Home Price75th Percentile90th Percentile
98012$541,900$737,525$865,100$1,061,375$1,200,300

Source: Ownwell

Property Tax Bills Across Mill Creek, Snohomish County, Washington

Property tax bills in Mill Creek are based on the assessed value of a home and the tax rate set by local taxing authorities. With a median home price of $865,100, homeowners in the city can see bills that vary widely depending on their property’s assessed value and the levies that apply. The 25th percentile tax bill is $6,284, while the 75th percentile is $9,308 and the 90th percentile reaches $10,593.

What determines the bill? The assessed value of the home, local tax rates, and any applicable exemptions all play a role. When assessments rise, property tax bills can increase even if nothing changes about the home itself. That can make homeownership more expensive and put pressure on household budgets.

Ownwell helps homeowners identify opportunities to lower their property tax bills by reviewing assessments and pursuing appeals when a home appears overassessed. If your bill is higher than it should be, Ownwell can help you challenge it and potentially save money.

Property Tax Bills Across Mill Creek, Snohomish County, Washington

Source: Ownwell

$2,004

$7,801

$13,598

Median Mill Creek Tax Bill

$7,521

Median Snohomish County Tax Bill

$5,179

Median Washington Tax Bill

$4,512

Median United States Tax Bill

$2,400

Property Tax Bills Across Mill Creek, Snohomish County, Washington

Zip10th Percentile25th PercentileMedian Tax Bill75th Percentile90th Percentile
98012$4,504$6,284$7,521$9,308$10,593

Source: Ownwell

Don't miss the deadline to appeal!

Frequently Asked Property Tax Questions in Mill Creek, Washington

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