Ada County, ID vs Contra Costa 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
Contra Costa County, CA: 0.72% effective rate · $5,433/yr median tax · median home $754,593
Side-by-Side Comparison
| Metric | Ada County, ID | Contra Costa County, CA | National Avg |
|---|---|---|---|
| Effective Tax Rate | 0.70% | 0.72% | 1.06% |
| Median Annual Tax | $1,702 | $5,433 | $2,778 |
| Median Home Value | $243,199 | $754,593 | $268,728 |
| Population | 494,967 | 1,165,927 | — |
Ada County, ID
- Effective Rate
- 0.70%
- Median Annual Tax
- $1,702
- Median Home Value
- $243,199
- Population
- 494,967
Contra Costa County, CA
- Effective Rate
- 0.72%
- Median Annual Tax
- $5,433
- Median Home Value
- $754,593
- Population
- 1,165,927
Frequently Asked Questions
What is the property tax difference between Ada County and Contra Costa County?
Ada County, ID has an effective property tax rate of 0.70% with a median annual tax of $1,702. Contra Costa County, CA has a rate of 0.72% with a median annual tax of $5,433. The difference is 0.02 percentage points.
Which county has higher property taxes, Ada County or Contra Costa County?
Contra Costa County, CA has the higher effective property tax rate at 0.72% compared to 0.70%.
How do Ada County and Contra Costa 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 Contra Costa County is below average at 0.72%.