PropertyTaxPeek

Boulder County, CO vs Contra Costa County, CA

Property Tax Rate Comparison 2025

Quick Answer

Boulder County, CO: 0.43% effective rate · $2,335/yr median tax · median home $543,091

Contra Costa County, CA: 0.72% effective rate · $5,433/yr median tax · median home $754,593

Side-by-Side Comparison

MetricBoulder County, COContra Costa County, CANational Avg
Effective Tax Rate0.43%0.72%1.06%
Median Annual Tax$2,335$5,433$2,778
Median Home Value$543,091$754,593$268,728
Population330,7581,165,927

Boulder County, CO

Effective Rate
0.43%
Median Annual Tax
$2,335
Median Home Value
$543,091
Population
330,758
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Contra Costa County, CA

Effective Rate
0.72%
Median Annual Tax
$5,433
Median Home Value
$754,593
Population
1,165,927
Full profile →

Frequently Asked Questions

What is the property tax difference between Boulder County and Contra Costa County?
Boulder County, CO has an effective property tax rate of 0.43% with a median annual tax of $2,335. Contra Costa County, CA has a rate of 0.72% with a median annual tax of $5,433. The difference is 0.29 percentage points.
Which county has higher property taxes, Boulder County or Contra Costa County?
Contra Costa County, CA has the higher effective property tax rate at 0.72% compared to 0.43%.
How do Boulder County and Contra Costa County compare to the national average?
The national average effective property tax rate is 1.06%. Boulder County is below average at 0.43%, and Contra Costa County is below average at 0.72%.