Ada County, ID vs San Mateo County, CA
Property Tax Rate Comparison 2025
Quick Answer
Ada County, ID: 0.70% effective rate · $1,702/yr median tax · median home $243,199
San Mateo County, CA: 0.61% effective rate · $3,397/yr median tax · median home $556,910
Side-by-Side Comparison
| Metric | Ada County, ID | San Mateo County, CA | National Avg |
|---|---|---|---|
| Effective Tax Rate | 0.70% | 0.61% | 1.06% |
| Median Annual Tax | $1,702 | $3,397 | $2,778 |
| Median Home Value | $243,199 | $556,910 | $268,728 |
| Population | 494,967 | 764,442 | — |
Ada County, ID
- Effective Rate
- 0.70%
- Median Annual Tax
- $1,702
- Median Home Value
- $243,199
- Population
- 494,967
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 Ada County and San Mateo County?
Ada County, ID has an effective property tax rate of 0.70% with a median annual tax of $1,702. San Mateo County, CA has a rate of 0.61% with a median annual tax of $3,397. The difference is 0.09 percentage points.
Which county has higher property taxes, Ada County or San Mateo County?
Ada County, ID has the higher effective property tax rate at 0.70% compared to 0.61%.
How do Ada County and San Mateo County compare to the national average?
The national average effective property tax rate is 1.06%. Ada County is below average at 0.70%, and San Mateo County is below average at 0.61%.