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Piedmont, Alameda County, California Property Taxes

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Property Taxes in Piedmont, California

  • Median Piedmont, California effective property tax rate: 1.62%, significantly higher than the national median of 1.02%, and higher than the California state median of 1.21%.

  • Median Piedmont, California home value: $1,199,271

  • Median annual Piedmont, California tax bill: $19,591, $17,191 higher and higher than the national median property tax bill of $2,400.

How are property taxes in Alameda calculated?

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

Last Updated April 13, 2026

Piedmont, Alameda County, California Property Tax Bill Calculator

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

1.62%

Estimate Property Tax Bill

$19,428

$18,029

SAVE WITH OWNWELL

$774

Average Annual Tax Savings

How Does the Piedmont Property Tax Calculator Work?

Use this Piedmont property tax calculator to estimate your annual tax bill. Enter your property's assessed value and our calculator applies Piedmont's median effective tax rate of 1.62% — based on actual property records in Alameda County — to generate your estimate.

Enter your property's estimated assessed value — the figure the local appraisal district uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Piedmont'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 Piedmont: rates range from $16,468 in 94610 to $21,569 in 94618, primarily due to differences in school district levies and local assessment districts.

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

About Piedmont Property Taxes

About Property Taxes in Piedmont, Alameda, California

Piedmont’s median effective property tax rate of 1.62% 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.

Property tax rates are not uniform across Piedmont. Homeowners in the 94610 ZIP code carry a median effective rate of 1.68%, while those in 94618 pay 1.55%. This spread — 0.13 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Alameda County. Understanding which part of Piedmont you live in can make a meaningful difference to your annual tax bill.

Piedmont 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 Piedmont, 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 Piedmont'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 Piedmont, 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 Piedmont Tax Rate

1.62%

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 Piedmont, Alameda County, California

Zip10th Percentile25th PercentileMedian Tax Rate75th Percentile90th Percentile
946101.39%1.48%1.68%2.23%4.17%
946111.38%1.45%1.61%1.98%3.22%
946181.41%1.44%1.55%1.78%1.98%
94602N/AN/AN/AN/AN/A

Source: Ownwell

Property Tax Assessment Values Across Piedmont, Alameda County, California

When examining property taxes in Piedmont, 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 assessment 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.

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 understanding how assessed and market values are determined, property owners can better navigate their tax responsibilities in Piedmont.

For example, the median home price in Piedmont is $1,199,271, with tax bills ranging significantly across the county. 94618 has the highest median home price at $1,354,443.

Property Tax Assessment Values Across Piedmont, Alameda County, California

Source: Ownwell

$197,307

$1,084,889

$1,972,470

Median Piedmont Market Value

$1,199,271

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 Piedmont, Alameda County, California

Zip10th Percentile25th PercentileMedian Home Price75th Percentile90th Percentile
94610$135,050$469,892$973,189$1,675,491$2,423,942
94611$242,272$625,568$1,250,560$2,173,698$3,236,318
94618$609,209$927,512$1,354,443$2,027,919$2,436,758
94602N/AN/AN/AN/AN/A

Source: Ownwell

Property Tax Bills Across Piedmont, Alameda County, California

Property tax bills in Piedmont are based on the assessed value of a home, not the market value, and the local tax rate is applied to that assessment to determine the amount owed. For homeowners, that means a higher assessed value can lead to a larger tax bill, even when the home itself has not changed. With a median home price of $1,199,271, property taxes can be a major annual expense, and bills vary widely across the area. The 25th percentile tax bill is $11,896, the 75th percentile is $30,224, and the 90th percentile reaches $42,651. Across Alameda County, the highest median tax bill is $21,569 in 94618, while the lowest median tax bill is $16,468 in 94610. Ownwell helps homeowners save by reviewing assessments, identifying opportunities for property tax appeals, and pursuing exemptions when available. That can reduce an inflated tax bill and help homeowners keep more of their money each year.

Property Tax Bills Across Piedmont, Alameda County, California

Source: Ownwell

$2,280

$13,487

$24,693

Median Piedmont Tax Bill

$19,591

Median Alameda County Tax Bill

$8,209

Median California Tax Bill

$5,134

Median United States Tax Bill

$2,400

Property Tax Bills Across Piedmont, Alameda County, California

Zip10th Percentile25th PercentileMedian Tax Bill75th Percentile90th Percentile
94610$6,553$10,388$16,468$25,264$34,293
94611$8,081$12,628$20,492$31,918$44,962
94618$11,857$16,228$21,569$29,146$35,071
94602N/AN/AN/AN/AN/A

Source: Ownwell

Don't miss the deadline to appeal!

Frequently Asked Property Tax Questions in Piedmont, California

How are property taxes calculated in Piedmont, California?
Property taxes in Piedmont, 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 Piedmont, California?
To appeal your property taxes in Piedmont, 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 Piedmont, California?
Common property tax exemptions in Piedmont, 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 Piedmont, California?
Property tax deadlines in Piedmont, 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 Piedmont, California?
Ownwell provides professional property tax appeal services in Piedmont, 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.