Alameda County, CA vs San Mateo County, CA
Property Tax Rate Comparison 2025
Quick Answer
Alameda County, CA: 0.79% effective rate · $5,793/yr median tax · median home $733,334
San Mateo County, CA: 0.61% effective rate · $3,397/yr median tax · median home $556,910
Side-by-Side Comparison
| Metric | Alameda County, CA | San Mateo County, CA | National Avg |
|---|---|---|---|
| Effective Tax Rate | 0.79% | 0.61% | 1.06% |
| Median Annual Tax | $5,793 | $3,397 | $2,778 |
| Median Home Value | $733,334 | $556,910 | $268,728 |
| Population | 1,682,353 | 764,442 | — |
Alameda County, CA
- Effective Rate
- 0.79%
- Median Annual Tax
- $5,793
- Median Home Value
- $733,334
- Population
- 1,682,353
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 Alameda County and San Mateo County?
Alameda County, CA has an effective property tax rate of 0.79% with a median annual tax of $5,793. San Mateo County, CA has a rate of 0.61% with a median annual tax of $3,397. The difference is 0.18 percentage points.
Which county has higher property taxes, Alameda County or San Mateo County?
Alameda County, CA has the higher effective property tax rate at 0.79% compared to 0.61%.
How do Alameda County and San Mateo County compare to the national average?
The national average effective property tax rate is 1.06%. Alameda County is below average at 0.79%, and San Mateo County is below average at 0.61%.