Property Taxes in Blaine, Washington
Median Blaine, Washington effective property tax rate: 0.68%, significantly lower than the national median of 1.02%, and lower than the Washington state median of 0.92%.
Median Blaine, Washington home value: $415,914
Median annual Blaine, Washington tax bill: $2,735, $335 higher than the national median property tax bill of $2,400.
How are property taxes in Whatcom calculated?
Property taxes in Blaine, 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 Blaine's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Blaine, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
How Does the Blaine Property Tax Calculator Work?
Use this Blaine property tax calculator to estimate your annual tax bill. Enter your property's assessed value and our calculator applies Blaine's median effective tax rate of 0.68% — based on actual property records in Whatcom 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 Blaine'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 Blaine: rates range from 0.68% in 98230 to 0.68% in 98230, primarily due to differences in school district levies and local assessment districts.
Blaine’s median property tax rate is lower than Washington’s 0.92% median rate, and the median tax bill is $335 lower than the state median. If your estimate is higher than expected, Ownwell can appeal your Blaine assessment — you only pay if we save you money.
About Blaine Property Taxes
About Property Taxes in Blaine, Whatcom, Washington
Blaine’s median effective property tax rate of 0.68% is lower than the Washington state median of 0.92% and lower than the national median of 1.02%. This rate reflects the Whatcom 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 Blaine. Homeowners in ZIP code 98230 carry a median effective rate of 0.68%, and the same ZIP code also shows the city’s median home price of $415,914 and median tax bill of $2,735. Understanding how your property is assessed can make a meaningful difference to your annual tax bill.
Blaine homeowners who believe their assessed value is too high can file a formal appeal with the Whatcom County Tax Assessor before the October 27, 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 Blaine, Whatcom 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 Blaine'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 Blaine Tax Rate
0.68%
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 Whatcom County Tax Rate
0.77%
Median Effective Washington Tax Rate
0.92%
Median Effective United States Tax Rate
1.27%
Property Tax Rates Across Blaine, Whatcom County, Washington
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 98230 | 0.67% | 0.67% | 0.68% | 0.69% | 0.71% |
| 98229 | N/A | N/A | N/A | N/A | N/A |
| 98240 | N/A | N/A | N/A | N/A | N/A |
| 98248 | N/A | N/A | N/A | N/A | N/A |
| 98264 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Save on Your Property Taxes and More With Ownwell
$774
Average Annual Tax Savings
Property Tax Assessment Values Across Blaine, Whatcom County, Washington
When examining property taxes in Blaine, 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 Whatcom 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 Whatcom County, assessment notices are sent in September each year. They'll typically reach your mailbox by the middle of September.
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 Blaine is $415,914, with tax bills ranging significantly across the county. Zip code 98230 has the highest median home price at $421,142.
Property Tax Assessment Values Across Blaine, Whatcom County, Washington
Source: Ownwell
$101,250
$359,643
$618,036
Median Blaine Market Value
$415,914
Median Whatcom County Market Value
$511,606
Median Washington Market Value
$501,600
Median United States Market Value
$274,101
Property Tax Assessment Values Across Blaine, Whatcom County, Washington
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 98230 | $30,987 | $217,300 | $421,142 | $604,047 | $873,345 |
| 98229 | N/A | N/A | N/A | N/A | N/A |
| 98240 | N/A | N/A | N/A | N/A | N/A |
| 98248 | N/A | N/A | N/A | N/A | N/A |
| 98264 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Save on Your Property Taxes and More With Ownwell
$774
Average Annual Tax Savings
Property Tax Bills Across Blaine, Whatcom County, Washington
Property tax bills in Blaine are calculated by applying the local tax rate to a home’s assessed market value, then adjusting for any exemptions or special assessments. Because the bill is tied to value, homeowners with higher assessed homes generally pay more, while those with lower assessed values pay less. With a median home price of $415,914, property taxes can have a meaningful impact on monthly housing costs and long-term affordability.
In Whatcom County, the 25th percentile tax bill is $1,121, the 75th percentile tax bill is $3,995, and the 90th percentile tax bill is $5,806. The median tax bill in ZIP code 98230 is $2,773, which is above the national median property tax bill of $2,400. That means many homeowners in Blaine may be paying more than the national benchmark.
Ownwell helps homeowners lower property tax bills by reviewing assessed values, identifying potential savings, and filing appeals or exemption claims when appropriate.
Median Blaine Tax Bill
$2,735
Median Whatcom County Tax Bill
$3,775
Median Washington Tax Bill
$4,512
Median United States Tax Bill
$3,209
Property Tax Bills Across Blaine, Whatcom County, Washington
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 98230 | $183 | $1,182 | $2,773 | $4,030 | $5,851 |
| 98229 | N/A | N/A | N/A | N/A | N/A |
| 98240 | N/A | N/A | N/A | N/A | N/A |
| 98248 | N/A | N/A | N/A | N/A | N/A |
| 98264 | N/A | N/A | N/A | N/A | N/A |
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 | |
|---|---|
| Whatcom Tax Assessor | |
| Website | property.spatialest.com |