Alameda County, California Property Taxes
Median Alameda County effective property tax rate: 1.45%, significantly higher than the national median of 1.02%.
Median Alameda County home value: $508,791
Median annual Alameda County tax bill: $7,523, $5,123 higher than the national median property tax bill of $2,400.
How are property taxes in Alameda County calculated?
Property taxes in Alameda County 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 your county's property tax system, exemptions, and reduction opportunities can lead to significant savings. Whether you live in Oakland or another part of Alameda County, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Alameda County, California Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.45%
Estimate Property Tax Bill
$7,377
$6,846
$1,102
Average Tax Savings
Ownwell’s Alameda County Property Tax Bill Calculator empowers homeowners, real estate investors, and potential buyers to estimate their annual property taxes in Alameda County with just two data points. By entering your property's estimated assessed value, our calculator applies Alameda County’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 Alameda County.
The median property tax bill in Alameda County varies significantly, with Piedmont residents facing a high of $17,987, while those in Mountain House pay as low as $2,132. Compared to the national median property tax bill of $2,400, these figures illustrate the range of tax obligations within the county. For those interested in more localized information, please scroll down to explore city-level trends!
Property Tax Rates Across Alameda County, California
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 Alameda County Tax Rate
1.45%
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 California Tax Rate
1.21%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Alameda County, California
City | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
Alameda | 1.36% | 1.42% | 1.54% | 1.81% | 2.52% |
Albany | 1.59% | 1.69% | 1.90% | 2.38% | 3.92% |
Berkeley | 1.45% | 1.54% | 1.82% | 2.57% | 5.00% |
Byron | N/A | N/A | N/A | N/A | N/A |
Castro Valley | 1.27% | 1.29% | 1.34% | 1.44% | 1.72% |
Dublin | 1.36% | 1.39% | 1.42% | 1.51% | 1.85% |
Emeryville | 1.25% | 1.31% | 1.58% | 1.87% | 2.82% |
Fremont | 1.19% | 1.21% | 1.26% | 1.34% | 1.53% |
Hayward | 1.24% | 1.26% | 1.31% | 1.40% | 1.60% |
Kensington | N/A | N/A | N/A | N/A | N/A |
Livermore | 1.27% | 1.30% | 1.35% | 1.48% | 1.81% |
Mountain House | 1.14% | 1.15% | 1.17% | 1.20% | 1.26% |
Newark | 1.22% | 1.24% | 1.29% | 1.39% | 1.64% |
Oakland | 1.54% | 1.63% | 1.83% | 2.36% | 3.42% |
Piedmont | 1.39% | 1.48% | 1.65% | 2.11% | 3.66% |
Pleasanton | 1.14% | 1.15% | 1.15% | 1.16% | 1.20% |
San Leandro | 1.32% | 1.36% | 1.44% | 1.57% | 1.97% |
San Lorenzo | 1.32% | 1.35% | 1.43% | 1.56% | 2.17% |
Sunol | 1.15% | 1.16% | 1.17% | 1.19% | 1.25% |
Tracy | 1.13% | 1.13% | 1.13% | 1.15% | 1.22% |
Union City | 1.38% | 1.42% | 1.52% | 1.71% | 2.17% |
Source: Ownwell
$1,102
Average Alameda County Tax Savings
Save on your property taxes & more with Ownwell
Property Tax Assessment Values Across Alameda County, California
Property Tax Assessment Values Across Alameda County, California
Source: Ownwell

$182,444
$737,705
$1,292,965
Median Alameda County Market Value
$508,791
Median California Market Value
$378,421
Median United States Market Value
$235,294
Property Tax Assessment Values Across Alameda County, California
City | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
Alameda | $131,410 | $312,560 | $567,039 | $891,270 | $1,205,186 |
Albany | $94,587 | $250,520 | $474,636 | $808,446 | $1,103,719 |
Berkeley | $106,366 | $251,252 | $552,698 | $997,167 | $1,490,665 |
Byron | N/A | N/A | N/A | N/A | N/A |
Castro Valley | $142,385 | $327,828 | $544,437 | $793,873 | $1,017,762 |
Dublin | $239,009 | $498,958 | $820,111 | $1,050,728 | $1,353,453 |
Emeryville | $119,581 | $225,682 | $415,270 | $655,829 | $874,127 |
Fremont | $165,942 | $347,739 | $618,678 | $972,032 | $1,367,037 |
Hayward | $110,590 | $248,547 | $422,336 | $654,404 | $860,000 |
Kensington | N/A | N/A | N/A | N/A | N/A |
Livermore | $151,535 | $333,290 | $594,407 | $829,978 | $1,100,000 |
Mountain House | $72,264 | $117,960 | $182,444 | $349,136 | $425,952 |
Newark | $143,665 | $290,281 | $530,433 | $876,871 | $1,148,906 |
Oakland | $90,995 | $187,607 | $403,135 | $704,927 | $1,063,036 |
Piedmont | $187,091 | $512,242 | $1,088,132 | $1,847,366 | $2,822,211 |
Pleasanton | $201,991 | $412,618 | $773,178 | $1,168,152 | $1,711,914 |
San Leandro | $109,417 | $247,112 | $405,511 | $604,182 | $774,084 |
San Lorenzo | $80,400 | $230,838 | $372,068 | $556,670 | $718,080 |
Sunol | $80,857 | $224,522 | $592,454 | $1,044,160 | $1,748,724 |
Tracy | $85,761 | $227,974 | $509,421 | $703,316 | $872,084 |
Union City | $133,404 | $263,103 | $471,602 | $739,316 | $979,291 |
Source: Ownwell
$1,102
Average Alameda County Tax Savings
Save on your property taxes & more with Ownwell
Property Tax Bills Across Alameda County, California
Median Alameda County Tax Bill
$7,523
Median California Tax Bill
$4,683
Median United States Tax Bill
$2,400
Property Tax Bills Across Alameda County, California
City | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
Alameda | $3,385 | $5,578 | $8,714 | $12,739 | $17,173 |
Albany | $3,771 | $5,893 | $9,066 | $13,589 | $17,760 |
Berkeley | $4,653 | $6,536 | $10,234 | $15,846 | $22,393 |
Byron | N/A | N/A | N/A | N/A | N/A |
Castro Valley | $2,463 | $4,673 | $7,312 | $10,272 | $12,963 |
Dublin | $4,154 | $7,420 | $11,679 | $15,202 | $19,426 |
Emeryville | $2,736 | $4,000 | $6,241 | $9,766 | $13,452 |
Fremont | $2,545 | $4,646 | $7,751 | $11,805 | $16,312 |
Hayward | $1,746 | $3,440 | $5,585 | $8,397 | $10,965 |
Kensington | N/A | N/A | N/A | N/A | N/A |
Livermore | $2,726 | $4,891 | $7,986 | $10,747 | $14,093 |
Mountain House | $910 | $1,383 | $2,132 | $3,990 | $5,803 |
Newark | $2,301 | $4,024 | $6,807 | $10,859 | $14,040 |
Oakland | $2,998 | $4,415 | $7,453 | $11,638 | $16,678 |
Piedmont | $6,989 | $10,996 | $17,987 | $27,456 | $39,525 |
Pleasanton | $2,395 | $4,794 | $8,907 | $13,403 | $19,762 |
San Leandro | $2,163 | $3,830 | $5,791 | $8,304 | $10,433 |
San Lorenzo | $1,738 | $3,561 | $5,279 | $7,511 | $9,476 |
Sunol | $1,041 | $2,580 | $6,850 | $11,789 | $20,011 |
Tracy | $1,060 | $2,642 | $5,776 | $7,935 | $9,814 |
Union City | $2,869 | $4,588 | $7,228 | $10,653 | $13,728 |
Source: Ownwell
$1,102
Average Alameda County Tax Savings
Save on your property taxes & more with Ownwell
Want to lower your Alameda County property taxes?
Property Tax Appeals in California
Navigating the property tax protest process in Alameda County, CA, can be a daunting task for homeowners. However, understanding the steps involved can make the process more manageable. Homeowners who believe their property tax assessments are inaccurate have the right to appeal. The process begins with filing an appeal with the county's Assessment Appeals Board. This board is responsible for reviewing the cases and determining whether the assessed value of a property is fair and accurate.
To start, homeowners must gather evidence that supports their claim of an incorrect assessment. This evidence can include recent sales data of comparable properties, an independent appraisal, or any documentation that proves the assessed value is higher than the market value. Once the appeal is filed, a hearing will be scheduled where the homeowner can present their case.
The potential outcomes of a property tax appeal can vary. If the board agrees that the assessment is too high, they may lower the assessed value, resulting in a reduced property tax bill. Conversely, if the board finds the assessment to be accurate, the original assessment will stand, and no changes will be made to the tax bill.
Ownwell can assist homeowners throughout this process by providing expert guidance and support. Our team of property tax consultants can help gather the necessary evidence, prepare the appeal, and represent homeowners during the hearing. By leveraging our expertise, homeowners can increase their chances of a successful appeal and potentially save on their property tax bills. With Ownwell's assistance, the complex and often overwhelming appeal process becomes more approachable and less stressful for homeowners.
Exemptions in California
In Alameda County, California, homeowners can benefit from several property tax exemption programs designed to ease their financial burden. The most common exemption is the Homeowners' Exemption, which provides a reduction in assessed value for primary residences. To qualify, the homeowner must occupy the property as their principal residence as of January 1 of the tax year. This exemption helps reduce the overall property tax bill by lowering the taxable value of the home.
Another important exemption is the Veterans' Exemption, available to veterans who meet specific service requirements. This program offers a reduction in assessed value for qualifying veterans and their surviving spouses, easing the tax burden for those who have served in the military.
Additionally, the Senior Citizens' Exemption is designed for homeowners who are 65 years or older. It offers a reduction in assessed value, allowing seniors to manage their property taxes more effectively on a fixed income.
To apply for these exemptions, homeowners must submit the appropriate application forms to the Alameda County Assessor's Office. Ownwell can assist homeowners in navigating the application process, ensuring they understand eligibility requirements and meet deadlines. By leveraging these exemptions, homeowners can significantly reduce their property tax obligations, and Ownwell is here to help them maximize these benefits.
Available Exemptions
Disabled
Home Stead
Solar/Wind
Non-Profit
Don't miss the deadline to appeal!
Dates | |
---|---|
Property Valuation Date | January 1 |
Appeal Deadline | September 15 |
Tax Bill | |
Issued | October 1 |
Due Date #1 | December 10 |
Due Date #2 | April 10 |
Links | |
---|---|
Alameda Tax Assessor | |
Phone | (510) 272-3787 |
Website | propinfo.acgov.org |
AssessorWebResponse@acgov.org |
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