Port Costa, Contra Costa County, California Property Taxes
Median Port Costa, CA effective property tax rate: 1.95%, significantly higher than the national median of 1.02%, but lower than the California state median of 1.21%.
Median Port Costa, CA home value: $312,897
Median annual Port Costa, CA tax bill: $6,282, $3,882 higher than the national median property tax bill of $2,400.
How are property taxes in Contra Costa calculated?
Property taxes in Port Costa, 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 Port Costa’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Port Costa, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Port Costa, Contra Costa County, California Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.95%
Estimate Property Tax Bill
$6,101
$5,662
$1,102
Average Tax Savings
Property Tax Rates Across Port Costa, Contra Costa County, California
Local government entities set tax rates, which can vary widely within a state. This is because each county estimates its required budget to provide services annually and divides that by the total value of all taxable property within its jurisdiction, resulting in the property tax rate. While there are votes and laws involved in setting tax rates and budgets, in a nutshell, this is the annual process.
Port Costa in Contra Costa County, CA, has a median property tax rate of 1.95%. This rate is higher than the national median of 1.02%, indicating a more significant tax burden for homeowners in this area. The property tax rate in Port Costa is consistent across the city, as the highest and lowest median tax rates are both 1.95%. This uniformity suggests a stable tax environment within the city. In comparison to other cities in California, Port Costa's tax rate is on the higher end, reflecting the county's budgetary requirements and property values. Understanding these variations can help property owners make informed decisions about appealing their property taxes or seeking exemptions.
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 Port Costa Tax Rate
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 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 Port Costa, Contra Costa County, California
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 94569 | 1.53% | 1.64% | 1.95% | 2.62% | 5.86% |
Source: Ownwell
$1,102
Average Port Costa Tax Savings
Save on your property taxes & more with Ownwell
Property Tax Assessment Values Across Port Costa, Contra Costa County, California
When examining property taxes in Port Costa, 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 appraisal district 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 March. 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 Port Costa. For example, the median home price in Port Costa is $312,897, with tax bills ranging significantly across the county. Zip code 94569 has the highest median home price at $312,897.
Property Tax Assessment Values Across Port Costa, Contra Costa County, California
Source: Ownwell
$147,170
$1,068,104
$1,989,037
Median Port Costa Market Value
$312,897
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 Port Costa, Contra Costa County, California
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 94569 | $66,768 | $199,904 | $312,897 | $497,796 | $619,613 |
Source: Ownwell
$1,102
Average Port Costa Tax Savings
Save on your property taxes & more with Ownwell
Property Tax Bills Across Port Costa, Contra Costa County, California
In Port Costa, located in Contra Costa County, CA, property tax bills are determined based on the assessed value of a home. The assessed value is influenced by the median home price, which stands at $312,897. Homeowners in this area experience property tax bills ranging from $4,918 at the 25th percentile to $9,652 at the 90th percentile. The median property tax bill here is $6,282, notably higher than the national median of $2,400. These figures illustrate the significant financial impact property taxes can have on homeowners in this region.
Factors affecting the tax bill include changes in the assessed value of the property and any applicable exemptions. Homeowners may feel the burden of these taxes, especially when compared to the national median property tax rate of 1.02%. This is where Ownwell can be a valuable ally. By providing expert property tax appeal and exemption services, Ownwell helps homeowners potentially reduce their tax bills, ensuring they pay only their fair share.
Property Tax Bills Across Port Costa, Contra Costa County, California
Source: Ownwell
$2,978
$13,116
$23,253
Median Port Costa Tax Bill
$6,282
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 Port Costa, Contra Costa County, California
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 94569 | $3,614 | $4,918 | $6,282 | $8,472 | $9,652 |
Source: Ownwell
$1,102
Average Port Costa 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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