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Alameda, Alameda County, California Property Taxes

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Property Taxes in Alameda, California

  • Median Alameda, California effective property tax rate: 1.55%, significantly higher than the national median of 1.02%, and higher than the California state median of 1.21%.

  • Median Alameda, California home value: $639,469

  • Median annual Alameda, California tax bill: $9,891, $7,491 higher than the national median property tax bill of $2,400.

How are property taxes in Alameda County calculated?

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

Last Updated April 13, 2026

Alameda, Alameda County, California Property Tax Bill Calculator

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

1.55%

Estimate Property Tax Bill

$9,912

$9,198

SAVE WITH OWNWELL

$774

Average Annual Tax Savings

How Does the Alameda Property Tax Calculator Work?

Use this Alameda property tax calculator to estimate your annual tax bill. Enter your property's assessed value and our calculator applies Alameda's median effective tax rate of 1.55% — based on actual property records in Alameda County — to generate your estimate.

Enter your property's estimated assessed value — the figure the local assessment system uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Alameda's median effective rate across all local levies, providing a more accurate estimate than applying a single county millage rate.

Your bill may vary by ZIP code within Alameda: rates range from $9,843.00 in 94501 to $9,998.00 in 94502, primarily due to differences in school district levies and local assessment districts. Alameda's median tax bill is $9,891, which is higher than the $2,400 national median tax bill and higher than the 1.02% national median property tax rate.

If your estimate is higher than expected, Ownwell can appeal your Alameda assessment — you only pay if we save you money.

About Alameda Property Taxes

About Property Taxes in Alameda, Alameda, California

Alameda’s median effective property tax rate of 1.55% is higher than the California state median of 1.21% and higher than the national median of 1.02%. This rate reflects the Alameda County base levy combined with local school district levies and Mello-Roos Community Facility Districts that vary by subdivision throughout the city. The median property tax bill is $9,891, compared with the national median property tax bill of $2,400.

Property tax rates are not uniform across Alameda. Homeowners in the 94501 ZIP code carry a median effective rate of 1.57%, while those in 94502 pay 1.50%. This spread — 0.07 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Alameda County. Understanding which part of Alameda you live in can make a meaningful difference to your annual tax bill.

Alameda homeowners who believe their assessed value is too high can file a formal appeal with the local Tax Assessor before the September 15, 2026 deadline each year.

If your estimated bill above seems higher than expected, Ownwell can review your assessment and protest on your behalf. You only pay if we save you money.

Property Tax Rates Across Alameda, Alameda County, California

As noted earlier, local government entities set tax rates, which can vary widely within a state.

Why? Because annually, each county estimates its required budget to provide services and divides that by the total value of all taxable property within its jurisdiction. This calculation results 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.

Below, you can compare Alameda's effective property tax rate to other cities in California and the median property tax rates in California and the U.S.

Property Tax Rates Across Alameda, Alameda County, California

Source: Ownwell

1.12%

1.67%

2.22%

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 Tax Rate

1.55%

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

1.42%

Median Effective California Tax Rate

1.21%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Alameda, Alameda County, California

Zip10th Percentile25th PercentileMedian Tax Rate75th Percentile90th Percentile
945011.39%1.45%1.57%1.86%2.56%
945021.38%1.43%1.50%1.66%1.90%

Source: Ownwell

Property Tax Assessment Values Across Alameda, Alameda County, California

When examining property taxes in Alameda, California, 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 Alameda 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.

Assessment notices:

In Alameda County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of August.

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 Alameda.

For example, the median home price in Alameda is $639,469, with tax bills ranging significantly across the county. 94502 has the highest median home price at $653,116.

Property Tax Assessment Values Across Alameda, Alameda County, California

Source: Ownwell

$197,307

$1,084,889

$1,972,470

Median Alameda Market Value

$639,469

Median Alameda County Market Value

$564,082

Median California Market Value

$427,605

Median United States Market Value

$235,294

Property Tax Assessment Values Across Alameda, Alameda County, California

Zip10th Percentile25th PercentileMedian Home Price75th Percentile90th Percentile
94501$135,100$324,194$632,773$1,010,075$1,341,790
94502$281,944$426,607$653,116$934,948$1,275,323

Source: Ownwell

Property Tax Bills Across Alameda, Alameda County, California

Property tax bills in Alameda are based on the assessed value of a home, not its market value, and the local tax rate is applied to that assessment to determine the amount owed. For a home with a median price of $639,469, the bill can vary widely depending on the property’s assessed value and any eligible exemptions or changes in assessment. In Alameda County, the 25th percentile tax bill is $6,266, while the 75th percentile is $14,601 and the 90th percentile reaches $19,358. The median tax bill is $9,998 in ZIP code 94502 and $9,843 in ZIP code 94501, both well above the national median property tax bill of $2,400.

Ownwell helps homeowners lower their property tax bills by identifying opportunities to appeal overassessments and find savings through exemptions. If your assessed value is higher than it should be, Ownwell can help you challenge it and potentially reduce what you pay each year.

Property Tax Bills Across Alameda, Alameda County, California

Source: Ownwell

$2,280

$13,487

$24,693

Median Alameda Tax Bill

$9,891

Median Alameda County Tax Bill

$8,209

Median California Tax Bill

$5,134

Median United States Tax Bill

$2,400

Property Tax Bills Across Alameda, Alameda County, California

Zip10th Percentile25th PercentileMedian Tax Bill75th Percentile90th Percentile
94501$3,581$5,942$9,843$15,070$19,759
94502$5,102$6,968$9,998$13,498$17,834

Source: Ownwell

Don't miss the deadline to appeal!

Frequently Asked Property Tax Questions in Alameda, California

How are property taxes calculated in Alameda, California?
Property taxes in Alameda, California are calculated by multiplying your property's assessed value by the applicable tax rate set by local taxing authorities. The assessed value is determined by the county assessor and may differ from your property's market value depending on local assessment ratios and exemptions.
How do I appeal my property taxes in Alameda, California?
To appeal your property taxes in Alameda, California, you typically need to file a formal protest or appeal with your local appraisal district or assessor's office by the stated deadline. You'll need evidence such as comparable sales, a recent independent appraisal, or documentation of property condition issues. Ownwell can handle this entire process for you.
What property tax exemptions are available in Alameda, California?
Common property tax exemptions in Alameda, California include homestead exemptions for primary residences, senior citizen exemptions, veteran exemptions, and disability exemptions. Exemption amounts and eligibility requirements vary by county. Contact your local appraisal district or check Ownwell for details specific to your property.
When are property taxes due in Alameda, California?
Property tax deadlines in Alameda, California vary by county but typically include an assessment notice period in spring or early summer, followed by an appeal deadline, and a tax payment due date in the fall or winter. Check with your county assessor's office for specific dates in your area.
How can Ownwell help reduce my property taxes in Alameda, California?
Ownwell provides professional property tax appeal services in Alameda, California. Our team analyzes your assessment, gathers evidence, files all paperwork, and represents you at hearings — all with no upfront cost. You only pay a percentage of your savings if we successfully lower your tax bill.