Lilliwaup, Mason County, Washington Property Taxes

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Property Taxes in Lilliwaup, Washington

Median Lilliwaup, Washington effective property tax rate: 0.66%, significantly lower than the national median of 1.02%, and lower than the Washington state median of 0.92%.
Median Lilliwaup, Washington home value: $234,745
Median annual Lilliwaup, Washington tax bill: $1,426, lower than the national median property tax bill of $2,400.

How are property taxes in Mason calculated?

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

Last Updated April 13, 2026

Lilliwaup, Mason County, Washington Property Tax Bill Calculator

Property Assessed Value

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

0.66%

Estimate Property Tax Bill

$1,549

$1,438

How Does the Lilliwaup Property Tax Calculator Work?

Use this Lilliwaup property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Lilliwaup's median effective tax rate of 0.66% — based on actual property records in Mason 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 Lilliwaup'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 Lilliwaup: rates range from 0.66% in 98555 to 0.66% in 98555, 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 Lilliwaup.

About Lilliwaup Property Taxes

About Property Taxes in Lilliwaup, Mason, Washington

Lilliwaup’s median effective property tax rate of 0.66% is lower than the Washington state median of 0.92% and lower than the national median of 1.02%. This rate reflects the Mason County tax structure, including local levies that can affect what homeowners pay.

Property tax rates are not uniform across Lilliwaup. In the 98555 ZIP code, the median effective rate is 0.66%, and the median property tax bill is $1,426. That compares with the national median property tax bill of $2,400, showing how Lilliwaup homeowners may pay less than many U.S. homeowners.

Homeowners who believe their assessed value is too high can file a formal appeal with the Mason County Tax Assessor before the July 1, 2026 deadline.

If your estimated bill 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 Lilliwaup, Mason 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 Lilliwaup'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 Lilliwaup, Mason County, Washington

Source: Ownwell

0.66%

0.85%

1.04%

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 Lilliwaup Tax Rate

0.66%

Median Effective Mason County Tax Rate

0.83%

Median Effective Washington Tax Rate

0.92%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Lilliwaup, Mason County, Washington

Zip	10th Percentile	25th Percentile	Median Tax Rate	75th Percentile	90th Percentile
98555	0.53%	0.63%	0.66%	0.71%	0.79%

Source: Ownwell

Property Tax Assessment Values Across Lilliwaup, Mason County, Washington

When examining property taxes in Lilliwaup, 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 Mason 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 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 are sent in September each year. 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 example, the median home price in Lilliwaup is $234,745, with tax bills ranging significantly across the county. Zip code 98555 has the highest median home price at $234,745.

Property Tax Assessment Values Across Lilliwaup, Mason County, Washington

Source: Ownwell

$138,885

$361,460

$584,035

Median Lilliwaup Market Value

$234,745

Median Mason County Market Value

$309,355

Median Washington Market Value

$501,600

Median United States Market Value

$235,294

Property Tax Assessment Values Across Lilliwaup, Mason County, Washington

Zip	10th Percentile	25th Percentile	Median Home Price	75th Percentile	90th Percentile
98555	$37,814	$100,535	$234,745	$392,282	$630,045

Source: Ownwell

Property Tax Bills Across Lilliwaup, Mason County, Washington

Property tax bills in Lilliwaup are based on the assessed value of a home, not the purchase price. Local taxing authorities apply tax rates to that assessed market value to determine the amount owed each year. For a home with a median market value of $234,745, the bill can vary widely depending on the property’s assessment and the tax rates in Mason County.

What homeowners pay also depends on where the property is located within the county and how local levies are set. In Lilliwaup, the median tax bill is $1,426, while the 25th percentile is $513 and the 75th percentile is $2,518. Higher-value or more heavily taxed homes can face much larger bills, with the 90th percentile reaching $4,226.

These taxes affect monthly housing costs and can make a meaningful difference in affordability. Because property taxes are tied to assessed value, homeowners should pay close attention to their assessment and understand how local tax rates shape their final bill.

Property Tax Bills Across Lilliwaup, Mason County, Washington

Source: Ownwell

$994

$3,572

$6,150

Median Lilliwaup Tax Bill

$1,426

Median Mason County Tax Bill

$2,628

Median Washington Tax Bill

$4,512

Median United States Tax Bill

$2,400

Property Tax Bills Across Lilliwaup, Mason County, Washington

Zip	10th Percentile	25th Percentile	Median Tax Bill	75th Percentile	90th Percentile
98555	$273	$513	$1,426	$2,518	$4,226

Source: Ownwell

Don't miss the deadline to appeal!

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

Links
Mason Tax Assessor
Website	property.masoncountywa.gov

Frequently Asked Property Tax Questions in Lilliwaup, Washington

How are property taxes calculated in Lilliwaup, Washington?

Property taxes in Lilliwaup, 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 Lilliwaup, Washington?

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

Common property tax exemptions in Lilliwaup, 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 Lilliwaup, Washington?

Property tax deadlines in Lilliwaup, 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 Lilliwaup, Washington?

Ownwell provides professional property tax appeal services in Lilliwaup, 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.