PropertyTaxPeek

San Mateo County, CA vs Washington County, PA

Property Tax Rate Comparison 2025

Quick Answer

San Mateo County, CA: 0.61% effective rate · $3,397/yr median tax · median home $556,910

Washington County, PA: 1.91% effective rate · $2,301/yr median tax · median home $120,478

Side-by-Side Comparison

MetricSan Mateo County, CAWashington County, PANational Avg
Effective Tax Rate0.61%1.91%1.06%
Median Annual Tax$3,397$2,301$2,778
Median Home Value$556,910$120,478$268,728
Population764,442208,261

San Mateo County, CA

Effective Rate
0.61%
Median Annual Tax
$3,397
Median Home Value
$556,910
Population
764,442
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Washington County, PA

Effective Rate
1.91%
Median Annual Tax
$2,301
Median Home Value
$120,478
Population
208,261
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Frequently Asked Questions

What is the property tax difference between San Mateo County and Washington County?
San Mateo County, CA has an effective property tax rate of 0.61% with a median annual tax of $3,397. Washington County, PA has a rate of 1.91% with a median annual tax of $2,301. The difference is 1.30 percentage points.
Which county has higher property taxes, San Mateo County or Washington County?
Washington County, PA has the higher effective property tax rate at 1.91% compared to 0.61%.
How do San Mateo County and Washington County compare to the national average?
The national average effective property tax rate is 1.06%. San Mateo County is below average at 0.61%, and Washington County is above average at 1.91%.