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
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.
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%
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 Grays Harbor County Tax Rate
0.90%
Median Effective Washington Tax Rate
0.92%
Median Effective United States Tax Rate
1.27%
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
$274,101
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
$3,209
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 |