El Sobrante, Contra Costa County, California Property Taxes
Median El Sobrante, CA effective property tax rate: 1.65%, significantly higher than the national median of 1.02%, but lower than the California state median of 1.21%.
Median El Sobrante, CA home value: $392,950
Median annual El Sobrante, CA tax bill: $6,461, $4,061 higher than the national median property tax bill of $2,400.
How are property taxes in Contra Costa calculated?
Property taxes in El Sobrante, 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 El Sobrante’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in El Sobrante, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
El Sobrante, Contra Costa County, California Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.65%
Estimate Property Tax Bill
$6,484
$6,017
$1,102
Average Tax Savings
Ownwell’s El Sobrante Property Tax Bill Calculator empowers homeowners, real estate investors, and potential buyers to estimate their annual property taxes in El Sobrante with just two data points.
By entering your property's estimated assessed value, our calculator applies El Sobrante’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 El Sobrante, Contra Costa County, California
Local government entities are responsible for setting tax rates, leading to significant variations within a state. Each county, like Contra Costa, estimates its budget annually to fund essential services. This budget is divided by the total value of all taxable property within the county, resulting in the property tax rate. While votes and laws play a role in determining tax rates and budgets, this is essentially the annual process.
In El Sobrante, located in Contra Costa County, the effective property tax rate stands at 1.65%. This is notably higher than the national median property tax rate of 1.02%. When comparing El Sobrante's rate to other cities in California and across the U.S., it becomes evident that the local tax burden is relatively high. This higher rate reflects the county's specific budgetary needs and property values. Understanding these variations can help property owners anticipate their tax obligations and explore potential savings through appeals or exemptions.
Property Tax Rates Across El Sobrante, Contra Costa County, California
Source: Ownwell

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 El Sobrante Tax Rate
1.65%
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 El Sobrante, Contra Costa County, California
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
94803 | 1.46% | 1.56% | 1.65% | 1.80% | 2.15% |
Source: Ownwell
$1,102
Average El Sobrante Tax Savings
Save on your property taxes & more with Ownwell
Property Tax Assessment Values Across El Sobrante, Contra Costa County, California
When examining property taxes in El Sobrante, 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.
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 El Sobrante. For example, the median home price in El Sobrante is $392,950, with tax bills ranging significantly across the county. Zip code 94803 has the highest median home price at $392,950.
Property Tax Assessment Values Across El Sobrante, Contra Costa County, California
Source: Ownwell

$147,170
$1,068,104
$1,989,037
Median El Sobrante Market Value
$392,950
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 El Sobrante, Contra Costa County, California
Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
94803 | $133,646 | $250,140 | $392,950 | $589,708 | $756,847 |
Source: Ownwell
$1,102
Average El Sobrante Tax Savings
Save on your property taxes & more with Ownwell
Property Tax Bills Across El Sobrante, Contra Costa County, California
In El Sobrante, Contra Costa County, CA, property tax bills are primarily determined by the assessed value of a home, which is influenced by the market value. The median home price here is $392,950. Property tax rates in this region are above the national median of 1.02%, resulting in higher tax bills. Tax bills can vary significantly, with the 25th percentile at $4,398 and the 75th percentile at $9,183, indicating a wide range of tax burdens for homeowners. The highest median tax bill in the area is $6,461, which is considerably higher than the national median property tax bill of $2,400.
For homeowners, these taxes can represent a substantial financial burden. However, Ownwell offers a solution by assisting in property tax appeals and exemptions. By analyzing property assessments and ensuring they are fair and accurate, Ownwell helps homeowners potentially reduce their tax bills, providing significant savings. This service is particularly valuable in high-tax areas like El Sobrante, where ensuring an accurate assessment can lead to considerable financial relief.
Property Tax Bills Across El Sobrante, Contra Costa County, California
Source: Ownwell

$2,978
$13,116
$23,253
Median El Sobrante Tax Bill
$6,461
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 El Sobrante, Contra Costa County, California
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
94803 | $2,785 | $4,398 | $6,461 | $9,183 | $11,663 |
Source: Ownwell
$1,102
Average El Sobrante Tax Savings
Save on your property taxes & more with Ownwell
Don't miss the deadline to appeal!
Dates | |
---|---|
Property Valuation Date | January 1 |
Appeal Deadline | December 1 |
Tax Bill | |
Issued | October 1 |
Due Date #1 | December 10 |
Due Date #2 | April 10 |
Links | |
---|---|
Contra Costa Tax Assessor | |
Website | www.contracosta.ca.gov |
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