Walla Walla County, WA property tax
Census ACS 2023 5-year estimates · updated 2026-09-20
The median effective property tax rate in Walla Walla County is 0.90%, above the Washington median of 0.84% and below the national median of 0.98%. The median homeowner pays $3,386 a year on a home worth $375,600.
- Effective rate
- 0.90%
- Median annual bill
- $3,386
- Median home value
- $375,600
- Rank in Washington
- 3of 39
Estimated annual bill by home value
| Home value | Estimated bill | Per month |
|---|---|---|
| $200,000 | $1,800 | $150 |
| $300,000 | $2,700 | $225 |
| $400,000 | $3,600 | $300 |
| $500,000 | $4,500 | $375 |
| $750,000 | $6,750 | $563 |
| $1,000,000 | $9,000 | $750 |
Walla Walla County compared with Washington and the US
| Area | Effective rate | Median bill | Median home value |
|---|---|---|---|
| Walla Walla County | 0.90% | $3,386 | $375,600 |
| Washington median | 0.84% | $4,361 | $519,800 |
| United States median | 0.98% | $2,969 | n/a |
Rates and medians: U.S. Census Bureau, ACS 2023 5-year estimates, tables B25103 and B25077. Effective rate is median taxes paid divided by median owner-occupied home value.
Frequently asked questions
What is the property tax rate in Walla Walla County, WA?
The median effective property tax rate in Walla Walla County is 0.90% of home value, above the Washington median of 0.84% and below the national median of 0.98%. The median homeowner pays $3,386 a year on a median home value of $375,600 (Census ACS 2023 5-year).
How much is property tax on a $400,000 house in Walla Walla County?
About $3,600 per year at the county's median effective rate of 0.90%, before exemptions. The exact bill depends on the city, school district and special districts that serve the parcel, so treat this as a planning estimate.
How does Walla Walla County compare with the rest of Washington?
Walla Walla County ranks 3 of 39 Washington counties by effective rate. The Washington median is 0.84% and the median bill is $4,361.