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Mountlake Terrace, Snohomish County, Washington Property Taxes

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Property Taxes in Mountlake Terrace, Washington

  • Median Mountlake Terrace, Washington effective property tax rate: 0.81%, significantly lower than the national median of 1.02%, and lower than the Washington state median of 0.92%.

  • Median Mountlake Terrace, Washington home value: $597,750

  • Median annual Mountlake Terrace, Washington tax bill: $4,777, $2,377 higher than the national median property tax bill of $2,400.

How are property taxes in Snohomish calculated?

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

Last Updated April 13, 2026

Mountlake Terrace, Snohomish County, Washington Property Tax Bill Calculator

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

0.81%

Estimate Property Tax Bill

$4,842

$4,493

SAVE WITH OWNWELL

$774

Average Annual Tax Savings

How Does the Mountlake Terrace Property Tax Calculator Work?

Use this Mountlake Terrace property tax calculator to estimate your annual tax bill. Enter your property's assessed value and our calculator applies Mountlake Terrace's median effective tax rate of 0.81% — 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 Mountlake Terrace'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 Mountlake Terrace: rates range from 0.81% in 98043 to 0.81% in 98043, primarily due to differences in school district levies and local assessment districts.

Mountlake Terrace's median tax rate is lower than Washington's 0.92% median and the median tax bill is $2,377 higher than the state median bill of $2,400. If your estimate is higher than expected, Ownwell can appeal your Mountlake Terrace assessment — you only pay if we save you money.

About Mountlake Terrace Property Taxes

About Property Taxes in Mountlake Terrace, Snohomish, Washington

Mountlake Terrace's median effective property tax rate of 0.81% 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 Mountlake Terrace. Homeowners in ZIP code 98043 carry a median effective rate of 0.81%, while those in 98043 pay 0.81%. This spread — 0.00 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Snohomish County. Understanding which part of Mountlake Terrace you live in can make a meaningful difference to your annual tax bill.

Mountlake Terrace homeowners who believe their assessed value is too high can file a formal appeal with the local 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 Mountlake Terrace, 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 Mountlake Terrace'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 Mountlake Terrace, 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 Mountlake Terrace Tax Rate

0.81%

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 Mountlake Terrace, Snohomish County, Washington

Zip10th Percentile25th PercentileMedian Tax Rate75th Percentile90th Percentile
980430.77%0.79%0.81%0.82%0.84%

Source: Ownwell

Property Tax Assessment Values Across Mountlake Terrace, Snohomish County, Washington

When examining property taxes in Mountlake Terrace, 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. 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 Mountlake Terrace.

For example, the median home price in Mountlake Terrace is $597,750, with tax bills ranging significantly across the county. 98043 has the highest median home price at $597,750.

Property Tax Assessment Values Across Mountlake Terrace, Snohomish County, Washington

Source: Ownwell

$333,900

$1,111,050

$1,888,200

Median Mountlake Terrace Market Value

$597,750

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 Mountlake Terrace, Snohomish County, Washington

Zip10th Percentile25th PercentileMedian Home Price75th Percentile90th Percentile
98043$385,000$525,300$597,750$682,525$777,970

Source: Ownwell

Property Tax Bills Across Mountlake Terrace, Snohomish County, Washington

Property tax bills in Mountlake Terrace are calculated by applying the local tax rate 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 if the home has not changed hands. In Snohomish County, the median home price is $597,750, and the median property tax bill is $4,777, which is above the national median property tax bill of $2,400 and the national median property tax rate of 1.02%.

Tax bills can vary widely depending on the home’s assessed value and the taxing jurisdictions that apply to the property. In Mountlake Terrace, the 25th percentile tax bill is $4,023, while the 75th percentile is $5,544 and the 90th percentile is $6,296. That spread shows how much property taxes can affect homeowners differently.

Ownwell helps homeowners save by reviewing their property tax assessments and identifying opportunities to appeal overassessments, which can reduce future tax bills.

Property Tax Bills Across Mountlake Terrace, Snohomish County, Washington

Source: Ownwell

$2,004

$7,801

$13,598

Median Mountlake Terrace Tax Bill

$4,777

Median Snohomish County Tax Bill

$5,179

Median Washington Tax Bill

$4,512

Median United States Tax Bill

$2,400

Property Tax Bills Across Mountlake Terrace, Snohomish County, Washington

Zip10th Percentile25th PercentileMedian Tax Bill75th Percentile90th Percentile
98043$2,542$4,023$4,777$5,544$6,296

Source: Ownwell

Don't miss the deadline to appeal!

Frequently Asked Property Tax Questions in Mountlake Terrace, Washington

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