Property Taxes in Hamilton, Washington
Median Hamilton, Washington effective property tax rate: 0.70%, significantly lower than the national median of 1.02%, and lower than the Washington state median of 0.92%.
Median Hamilton, Washington home value: $246,800
Median annual Hamilton, Washington tax bill: $1,724, lower than the national median property tax bill of $2,400.
How are property taxes in Skagit calculated?
Property taxes in Hamilton, 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 Hamilton's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Hamilton, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
How Does the Hamilton Property Tax Calculator Work?
Use this Hamilton property tax calculator to estimate your annual tax bill. Enter your property's assessed value and our calculator applies Hamilton's median effective tax rate of 0.70% — based on actual property records in Skagit 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 Hamilton'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 Hamilton: rates range from 0.70% in 98255 to 0.70% in 98255, primarily due to differences in school district levies and local assessment districts.
Hamilton’s median property tax bill is $1,724, which is $676 lower than the state median property tax bill. If your estimate is higher than expected, Ownwell can appeal your Hamilton assessment — you only pay if we save you money.
About Hamilton Property Taxes
About Property Taxes in Hamilton, Skagit, Washington
Hamilton’s median effective property tax rate of 0.70% is lower than the Washington state median of 0.92% and lower than the national median of 1.02%. This rate reflects the Skagit County base levy combined with local school district levies and local improvement districts that can vary by subdivision throughout the city.
Property tax rates are not uniform across Hamilton. Homeowners in the 98255 ZIP code carry a median effective rate of 0.70%, while those in the lowest ZIP also pay 0.70%. That means there is no spread across the city, but your final bill can still reflect how local levies are applied in Skagit County.
Hamilton homeowners who believe their assessed value is too high can file a formal appeal before the November 24, 2026 deadline each year.
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 Hamilton, Skagit 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 Hamilton'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 Ă· 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 Hamilton Tax Rate
0.70%
Our median effective property tax rate (tax bill Ă· 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 Skagit County Tax Rate
0.86%
Median Effective Washington Tax Rate
0.92%
Median Effective United States Tax Rate
1.27%
Property Tax Rates Across Hamilton, Skagit County, Washington
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 98255 | 0.69% | 0.70% | 0.70% | 0.74% | 0.79% |
Source: Ownwell
Save on Your Property Taxes and More With Ownwell
$774
Average Annual Tax Savings
Property Tax Assessment Values Across Hamilton, Skagit County, Washington
When examining property taxes in Hamilton, 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 Skagit 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 Skagit 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 Hamilton.
For example, the median home price in Hamilton is $246,800, with tax bills ranging significantly across the county. 98255 has the highest median home price at $246,800.
Property Tax Assessment Values Across Hamilton, Skagit County, Washington
Source: Ownwell
$131,900
$440,300
$748,700
Median Hamilton Market Value
$246,800
Median Skagit County Market Value
$497,500
Median Washington Market Value
$501,600
Median United States Market Value
$274,101
Property Tax Assessment Values Across Hamilton, Skagit County, Washington
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 98255 | $40,780 | $142,300 | $246,800 | $322,800 | $402,840 |
Source: Ownwell
Save on Your Property Taxes and More With Ownwell
$774
Average Annual Tax Savings
Property Tax Bills Across Hamilton, Skagit County, Washington
Property tax bills in Hamilton are based on the assessed value of a home and the local tax rate set for the area. For a home with a median home price of $246,800, the tax bill can vary widely depending on the property’s assessed value and where it is located within Skagit County. Homeowners in Hamilton typically see bills that fall between $1,015 at the 25th percentile and $2,402 at the 75th percentile, with the 90th percentile reaching $3,002. The median tax bill in ZIP code 98255 is $1,724, which is below the national median property tax bill of $2,400.
Because property taxes are tied to assessed value, homeowners can save money if their assessment is too high. Ownwell helps homeowners review their property tax bills, identify potential overassessments, and appeal for a fairer valuation. That can reduce what homeowners owe and help them keep more of their money each year.
Median Hamilton Tax Bill
$1,724
Median Skagit County Tax Bill
$4,198
Median Washington Tax Bill
$4,512
Median United States Tax Bill
$3,209
Property Tax Bills Across Hamilton, Skagit County, Washington
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 98255 | $226 | $1,015 | $1,724 | $2,402 | $3,002 |
Source: Ownwell
Save on Your Property Taxes and More With Ownwell
$774
Average Annual Tax Savings
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | October 26 |
| Tax Bill | |
| Issued | February 10 |
| Due Date #1 | April 30 |
| Due Date #2 | October 31 |
Links | |
|---|---|
| Skagit Tax Assessor | |
| Website | skagitcounty.net |