Home and mortgage
Island County, WA Property Tax Calculator
Island County homeowners pay a median $3,999 a year in property tax, 0.67% of a median $593,300 home: below Washington's 0.81% and the national 0.94%.
- Shows its working
- Sources named below
- Runs in your browser; nothing is stored
Property tax in Island County by home value, at 0.67%
| Home value | A year | A month |
|---|---|---|
| $300,000 | $2,022 | $169 |
| $440,000 | $2,966 | $247 |
| $590,000 | $3,977 | $331 |
| $890,000 | $5,999 | $500 |
| $1,190,000 | $8,021 | $668 |
Island County against Washington and the US
| Effective rate | Median tax | Median home value | Median household income | |
|---|---|---|---|---|
| Island County | 0.67% | $3,999 | $593,300 | $90,551 |
| 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 Island 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.
Questions people ask
What is the property tax rate in Island County?
The effective rate is 0.67%: a median $3,999 a year on a median $593,300 home. That's the 20th highest of the 21 Washington counties we cover.
How much is property tax on a $400,000 house in Island County?
About $2,696 a year, $225 a month, at the county's effective rate, before any exemption.
How does Island 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 Island 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
Related calculators
Sources
Updated by the RateHerald team. The maths is tested against worked examples; report a problem.