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Clayton, Contra Costa County, California Property Taxes

  • Median Clayton, CA effective property tax rate: 1.27%, significantly higher than the national median of 1.02%, but lower than the California state median of 1.21%.

  • Median Clayton, CA home value: $639,288

  • Median annual Clayton, CA tax bill: $8,210, $5,810 higher than the national median property tax bill of $2,400.

How are property taxes in Contra Costa calculated?

Property taxes in Clayton, CA are calculated based on the tax assessed value, which is often lower than the actual market value due to property tax exemptions such as the homestead or senior exemption.

Understanding Clayton’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Clayton, knowing local tax details benefits homeowners and investors.

Last Updated March 1, 2025

Clayton, Contra Costa County, California Property Tax Bill Calculator

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

1.27%

Estimate Property Tax Bill

$8,119

$7,534

SAVE WITH OWNWELL

$1,102

Average Tax Savings

Ownwell’s Clayton Property Tax Bill Calculator empowers homeowners, real estate investors, and potential buyers to estimate their annual property taxes in Clayton with just two data points. By entering your property's estimated assessed value, our calculator applies Clayton’s median effective tax rate to accurately estimate your property tax bill. Note that your property's assessed value — determined by your county — reflects any exemptions you may have, ensuring a more precise calculation for your property tax obligations. This insightful tool helps you understand potential tax liabilities and highlights how Ownwell can assist in reducing property taxes in Contra Costa County. For those interested in more localized information, please scroll down to explore city-level trends!

Property Tax Rates Across Clayton, Contra Costa County, California

Local government entities are responsible for setting tax rates, which can differ significantly within a state. Each year, counties estimate their required budget to provide necessary services and divide that amount by the total value of all taxable property within their jurisdiction. This process results in the property tax rate. Although votes and laws play a role in determining tax rates and budgets, this is the fundamental annual procedure.

In Clayton, located in Contra Costa County, the effective property tax rate is 1.27%. This rate is higher than the national median property tax rate of 1.02%. When compared to other cities in California, Clayton's rate stands out as it matches the highest median tax rate within the state. For residents, this means a higher property tax bill compared to the national median of $2,400. Understanding these differences can help property owners make informed decisions about appealing their property taxes or seeking exemptions. By being aware of how local tax rates are determined and how they compare to state and national figures, property owners can better navigate the complexities of property tax responsibilities.

Property Tax Rates Across Clayton, Contra Costa County, California

Source: Ownwell

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1.08%

1.51%

1.95%

Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.

Median Effective Clayton Tax Rate

1.27%

Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.

Median Effective Contra Costa County Tax Rate

1.36%

Median Effective California Tax Rate

1.21%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Clayton, Contra Costa County, California

Zip10th Percentile25th PercentileMedian Tax Rate75th Percentile90th Percentile
945171.13%1.23%1.27%1.36%1.52%

Source: Ownwell

Property Tax Assessment Values Across Clayton, Contra Costa County, California

When examining property taxes in Clayton, CA, understanding the distinction between "market value" and "assessed value" is crucial. The market value is what a willing buyer would pay to a willing seller in an open and competitive market, often influenced by location, property condition, and economic market trends. The Contra Costa County Assessor's Office estimates the market value for tax purposes. The assessed value is the market value minus any applicable exemptions or limits determined by local laws and offerings. The tax assessed value is the figure used to calculate your property taxes or the amount multiplied by your tax rate to get your tax bill. Assessment notices: In Contra Costa County, assessment notices are sent in the spring each year. They’ll typically reach your mailbox by the middle of April. Each property owner receives an assessment notice that contains both the market value and assessed value, along with an estimate of your property tax bill. By providing insights into how assessed and market values are determined, this section helps property owners navigate their tax responsibilities and understand the valuation processes affecting their property taxes in Clayton. For example, the median home price in Clayton is $639,288, with tax bills ranging significantly across the county. Zip code 94517 has the highest median home price at $639,288.

Property Tax Assessment Values Across Clayton, Contra Costa County, California

Source: Ownwell

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$147,170

$1,068,104

$1,989,037

Median Clayton Market Value

$639,288

Median Contra Costa County Market Value

$485,124

Median California Market Value

$378,421

Median United States Market Value

$235,294

Property Tax Assessment Values Across Clayton, Contra Costa County, California

Zip10th Percentile25th PercentileMedian Home Price75th Percentile90th Percentile
94517$193,960$396,506$639,288$870,431$1,069,353

Source: Ownwell

Property Tax Bills Across Clayton, Contra Costa County, California

In Clayton, located in Contra Costa County, CA, property tax bills are determined by multiplying the assessed value of a home by the local tax rate. The assessed value is typically based on the market value of the property at the time of purchase or reassessment. In Clayton, homeowners experience a median property tax bill of $8,210, which is significantly higher than the national median of $2,400. This discrepancy highlights the substantial financial burden that property taxes can impose on homeowners in this region. Factors influencing property tax bills include changes in property values and local government budgets. Homeowners may find themselves paying more as property values increase. However, there is potential for savings. Ownwell assists homeowners by identifying opportunities for property tax appeals and exemptions, potentially reducing their tax burden. By analyzing property assessments and market data, Ownwell helps ensure that homeowners are not overpaying, offering a valuable service in managing and minimizing property tax expenses.

Property Tax Bills Across Clayton, Contra Costa County, California

Source: Ownwell

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$2,978

$13,116

$23,253

Median Clayton Tax Bill

$8,210

Median Contra Costa County Tax Bill

$6,706

Median California Tax Bill

$4,683

Median United States Tax Bill

$2,400

Property Tax Bills Across Clayton, Contra Costa County, California

Zip10th Percentile25th PercentileMedian Tax Bill75th Percentile90th Percentile
94517$3,153$5,485$8,210$10,797$12,995

Source: Ownwell

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