Whatcom County, WA Property Tax Calculator
Whatcom County homeowners pay a median $4,087 a year in property tax, 0.70% of a median $585,800 home: below Washington's 0.81% and the national 0.94%.
Property tax in Whatcom County by home value, at 0.70%
| Home value | A year | A month |
|---|---|---|
| $200,000 | $1,396 | $116 |
| $300,000 | $2,094 | $175 |
| $400,000 | $2,792 | $233 |
| $500,000 | $3,490 | $291 |
| $750,000 | $5,235 | $436 |
| $1,000,000 | $6,980 | $582 |
Whatcom County against Washington and the US
| Effective rate | Median tax | Median home value | Median household income | |
|---|---|---|---|---|
| Whatcom County | 0.70% | $4,087 | $585,800 | $81,784 |
| Washington | 0.81% | $4,556 | $564,600 | $98,141 |
| United States | 0.94% | $3,119 | $332,700 | $80,734 |
How this calculator works
Median real estate taxes paid ÷ median home value in Whatcom County, from the Census Bureau's American Community Survey 2020–2024 5-year estimates. The calculator starts at the county's median home value and rate.
What it assumes
- Cities, school districts and special districts within the county levy different rates, so bills vary within it.
- Survey figures cover 2020 to 2024 and lag recent reassessments.
Questions people ask
What is the property tax rate in Whatcom County?
The effective rate is 0.70%: a median $4,087 a year on a median $585,800 home. That's the 19th highest of the 21 Washington counties we cover.
How much is property tax on a $400,000 house in Whatcom County?
About $2,792 a year, $233 a month, at the county's effective rate, before any exemption.
How does Whatcom County compare with the rest of Washington?
Its rate is below the state's 0.81%. Across Washington, covered counties range from 0.67% to 0.91%.
How do I lower my Whatcom County property tax?
Apply for every exemption you qualify for, such as a homestead exemption, and appeal your assessment if it is higher than comparable homes sold nearby; the county assessor explains the deadlines.
Other Washington counties
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Sources
Updated by the RateHerald team. The maths is tested against worked examples; report a problem.