Contra Costa County, CA vs San Mateo County, CA
Property Tax Rate Comparison 2025
Quick Answer
Contra Costa County, CA: 0.72% effective rate · $5,433/yr median tax · median home $754,593
San Mateo County, CA: 0.61% effective rate · $3,397/yr median tax · median home $556,910
Side-by-Side Comparison
| Metric | Contra Costa County, CA | San Mateo County, CA | National Avg |
|---|---|---|---|
| Effective Tax Rate | 0.72% | 0.61% | 1.06% |
| Median Annual Tax | $5,433 | $3,397 | $2,778 |
| Median Home Value | $754,593 | $556,910 | $268,728 |
| Population | 1,165,927 | 764,442 | — |
Contra Costa County, CA
- Effective Rate
- 0.72%
- Median Annual Tax
- $5,433
- Median Home Value
- $754,593
- Population
- 1,165,927
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 Contra Costa County and San Mateo County?
Contra Costa County, CA has an effective property tax rate of 0.72% with a median annual tax of $5,433. San Mateo County, CA has a rate of 0.61% with a median annual tax of $3,397. The difference is 0.11 percentage points.
Which county has higher property taxes, Contra Costa County or San Mateo County?
Contra Costa County, CA has the higher effective property tax rate at 0.72% compared to 0.61%.
How do Contra Costa County and San Mateo County compare to the national average?
The national average effective property tax rate is 1.06%. Contra Costa County is below average at 0.72%, and San Mateo County is below average at 0.61%.