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San Ramon, Contra Costa County, California Property Taxes

  • Median San Ramon, CA effective property tax rate: 1.28%, significantly higher than the national median of 1.02%, but lower than the California state median of 1.21%.

  • Median San Ramon, CA home value: $909,018

  • Median annual San Ramon, CA tax bill: $11,722, $9,322 higher than the national median property tax bill of $2,400.

How are property taxes in Contra Costa County calculated?

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

Last Updated March 1, 2025

San Ramon, Contra Costa County, California Property Tax Bill Calculator

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

1.28%

Estimate Property Tax Bill

$11,635

$10,797

SAVE WITH OWNWELL

$1,102

Average Tax Savings

Ownwell’s San Ramon Property Tax Bill Calculator empowers homeowners, real estate investors, and potential buyers to estimate their annual property taxes in San Ramon with just two data points. By entering your property's estimated assessed value, our calculator applies San Ramon’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. For those interested in more localized information, please scroll down to explore city-level trends!

Property Tax Rates Across San Ramon, Contra Costa County, California

Local government entities are responsible for setting property tax rates, which can vary significantly within a state. This variation is due to each county's annual estimation of the budget needed to provide essential services, divided by the total value of all taxable properties within its jurisdiction. This calculation determines the property tax rate. While voting and legislative processes are involved in setting these rates and budgets, this is essentially how it works each year. In San Ramon, located in Contra Costa County, the effective property tax rate can be compared to other cities in California and the national median. San Ramon's rate reflects how local needs and property values influence tax rates. The county's tax rates can range from the highest in certain areas to lower in others, illustrating the diversity within the region. Understanding these rates helps property owners anticipate their tax liabilities and explore potential savings through appeals or exemptions. Comparing San Ramon's rate to the state and national medians offers insight into how the area stands in terms of property tax burdens.

Property Tax Rates Across San Ramon, 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 San Ramon Tax Rate

1.28%

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 San Ramon, Contra Costa County, California

Zip10th Percentile25th PercentileMedian Tax Rate75th Percentile90th Percentile
945821.21%1.26%1.35%1.51%1.62%
945831.16%1.18%1.22%1.30%1.51%
94588N/AN/AN/AN/AN/A

Source: Ownwell

Property Tax Assessment Values Across San Ramon, Contra Costa County, California

When examining property taxes in San Ramon, 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 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 San Ramon. For example, the median home price in San Ramon is $909,018, with tax bills ranging significantly across the county. Zip code 94582 has the highest median home price at $1,056,984.

Property Tax Assessment Values Across San Ramon, Contra Costa County, California

Source: Ownwell

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$147,170

$1,068,104

$1,989,037

Median San Ramon Market Value

$909,018

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 San Ramon, Contra Costa County, California

Zip10th Percentile25th PercentileMedian Home Price75th Percentile90th Percentile
94582$555,339$796,517$1,056,984$1,341,115$1,665,129
94583$198,497$407,000$693,600$1,030,198$1,422,587
94588N/AN/AN/AN/AN/A

Source: Ownwell

Property Tax Bills Across San Ramon, Contra Costa County, California

In San Ramon, located in Contra Costa County, CA, property tax bills are calculated based on the assessed value of a home, which is typically a percentage of its market value. Homeowners in this region face property tax bills that significantly exceed the national median property tax bill of $2,400. For example, the median home price in San Ramon is approximately $909,018, leading to substantial tax bills. The 25th percentile tax bill is around $7,279, while the 75th percentile reaches $16,491, and the 90th percentile can go as high as $21,027. The highest median tax bill in the area is $14,701 in ZIP code 94582, while the lowest is $8,416 in ZIP code 94583.

These high tax bills can be a financial burden for homeowners. Ownwell offers property tax appeal services that can help homeowners reduce their tax liabilities. By leveraging local market data and expertise, Ownwell can potentially lower the assessed value of a property, resulting in significant savings on property tax bills for homeowners in San Ramon.

Property Tax Bills Across San Ramon, Contra Costa County, California

Source: Ownwell

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$2,978

$13,116

$23,253

Median San Ramon Tax Bill

$11,722

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 San Ramon, Contra Costa County, California

Zip10th Percentile25th PercentileMedian Tax Bill75th Percentile90th Percentile
94582$7,349$10,915$14,701$18,800$22,470
94583$2,948$5,240$8,416$12,182$16,776
94588N/AN/AN/AN/AN/A

Source: Ownwell

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