King County, WA vs San Mateo County, CA
Property Tax Rate Comparison 2025
Quick Answer
King County, WA: 1.01% effective rate · $5,651/yr median tax · median home $559,559
San Mateo County, CA: 0.61% effective rate · $3,397/yr median tax · median home $556,910
Side-by-Side Comparison
| Metric | King County, WA | San Mateo County, CA | National Avg |
|---|---|---|---|
| Effective Tax Rate | 1.01% | 0.61% | 1.06% |
| Median Annual Tax | $5,651 | $3,397 | $2,778 |
| Median Home Value | $559,559 | $556,910 | $268,728 |
| Population | 2,269,675 | 764,442 | — |
King County, WA
- Effective Rate
- 1.01%
- Median Annual Tax
- $5,651
- Median Home Value
- $559,559
- Population
- 2,269,675
San Mateo County, CA
- Effective Rate
- 0.61%
- Median Annual Tax
- $3,397
- Median Home Value
- $556,910
- Population
- 764,442
Frequently Asked Questions
What is the property tax difference between King County and San Mateo County?
King County, WA has an effective property tax rate of 1.01% with a median annual tax of $5,651. San Mateo County, CA has a rate of 0.61% with a median annual tax of $3,397. The difference is 0.40 percentage points.
Which county has higher property taxes, King County or San Mateo County?
King County, WA has the higher effective property tax rate at 1.01% compared to 0.61%.
How do King County and San Mateo County compare to the national average?
The national average effective property tax rate is 1.06%. King County is below average at 1.01%, and San Mateo County is below average at 0.61%.