Montesano, Grays Harbor County, Washington Property Taxes

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Property Taxes in Montesano, Washington

Median Montesano, Washington effective property tax rate: 1.08%, significantly lower than the national median of 1.02%, and higher than the Washington state median of 0.92%.
Median Montesano, Washington home value: $309,900
Median annual Montesano, Washington tax bill: $3,003, $603 higher than the national median property tax bill of $2,400.

How are property taxes in Grays Harbor calculated?

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

Last Updated April 13, 2026

Montesano, Grays Harbor County, Washington Property Tax Bill Calculator

Property Assessed Value

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

1.08%

Estimate Property Tax Bill

$3,347

$3,106

How Does the Montesano Property Tax Calculator Work?

Use this Montesano property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Montesano's median effective tax rate of 1.08% — based on actual property records in Grays Harbor County — to generate your estimate.

Enter your property's estimated assessed value — the figure used to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Montesano'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 Montesano: rates range from 1.08% in 98563 to 1.08% in 98563, 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 Montesano.

About Montesano Property Taxes

About Property Taxes in Montesano, Grays Harbor, Washington

Montesano's median effective property tax rate of 1.08% is lower than the Washington state median of 0.92% and higher than the national median of 1.02%. This rate reflects the Grays Harbor 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 Montesano. Homeowners in the 98563 ZIP code carry a median effective rate of 1.08%, while those in the same ZIP code pay 1.08%. This spread reflects how school district boundaries and local assessment districts are drawn across Grays Harbor County. Understanding which part of Montesano you live in can make a meaningful difference to your annual tax bill.

Montesano 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 Montesano, Grays Harbor 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 Montesano'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 Montesano, Grays Harbor County, Washington

Source: Ownwell

0.66%

0.88%

1.11%

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 Montesano Tax Rate

1.08%

Median Effective Grays Harbor County Tax Rate

0.90%

Median Effective Washington Tax Rate

0.92%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Montesano, Grays Harbor County, Washington

Zip	10th Percentile	25th Percentile	Median Tax Rate	75th Percentile	90th Percentile
98563	0.73%	0.90%	1.08%	1.09%	1.11%

Source: Ownwell

Property Tax Assessment Values Across Montesano, Grays Harbor County, Washington

When examining property taxes in Montesano, 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 Grays Harbor 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 Grays Harbor County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of October.

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 Montesano.

For example, the median home price in Montesano is $309,900, with tax bills ranging significantly across the county. 98563 has the highest median home price at $309,900.

Property Tax Assessment Values Across Montesano, Grays Harbor County, Washington

Source: Ownwell

$165,098

$394,905

$624,712

Median Montesano Market Value

$309,900

Median Grays Harbor County Market Value

$242,486

Median Washington Market Value

$501,600

Median United States Market Value

$235,294

Property Tax Assessment Values Across Montesano, Grays Harbor County, Washington

Zip	10th Percentile	25th Percentile	Median Home Price	75th Percentile	90th Percentile
98563	$109,771	$220,103	$309,900	$423,448	$529,146

Source: Ownwell

Property Tax Bills Across Montesano, Grays Harbor County, Washington

Property tax bills in Montesano are based on the assessed value of a home and the local tax rates set by taxing authorities in Grays Harbor County. When a property’s market value changes, the assessed value can change too, which affects the final bill homeowners receive. The bill is calculated by applying the combined local tax rate to the assessed value, so higher-value homes generally face larger tax bills.

For Montesano homeowners, the median home price is $309,900, and the median tax bill is $3,003. That figure is above the national median property tax bill of $2,400, showing that local homeowners may pay more than many U.S. households. Bills can vary widely, with the 25th percentile at $1,966 and the 75th percentile at $4,159. At the 90th percentile, tax bills reach $5,387, which can have a meaningful impact on monthly housing costs and overall affordability.

Property Tax Bills Across Montesano, Grays Harbor County, Washington

Source: Ownwell

$1,232

$2,887

$4,541

Median Montesano Tax Bill

$3,003

Median Grays Harbor County Tax Bill

$2,050

Median Washington Tax Bill

$4,512

Median United States Tax Bill

$2,400

Property Tax Bills Across Montesano, Grays Harbor County, Washington

Zip	10th Percentile	25th Percentile	Median Tax Bill	75th Percentile	90th Percentile
98563	$630	$1,966	$3,003	$4,159	$5,387

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
Grays Harbor Tax Assessor
Website	graysharborwa-taxsifter.publicaccessnow.com

Frequently Asked Property Tax Questions in Montesano, Washington

How are property taxes calculated in Montesano, Washington?

Property taxes in Montesano, 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 Montesano, Washington?

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

Common property tax exemptions in Montesano, 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 Montesano, Washington?

Property tax deadlines in Montesano, 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 Montesano, Washington?

Ownwell provides professional property tax appeal services in Montesano, 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.