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Union City, Alameda County, California Property Taxes

  • Median Union City, CA effective property tax rate: 1.52%, significantly higher than the national median of 1.02%, but lower than the California state median of 1.21%.

  • Median Union City, CA home value: $471,602

  • Median annual Union City, CA tax bill: $7,228, $4,828 higher than the national median property tax bill of $2,400.

How are property taxes in Alameda calculated?

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

Last Updated March 1, 2025

Union City, Alameda County, California Property Tax Bill Calculator

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

1.52%

Estimate Property Tax Bill

$7,168

$6,652

SAVE WITH OWNWELL

$1,102

Average Tax Savings

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

Property Tax Rates Across Union City, Alameda County, California

Local government entities set tax rates, which can vary widely within a state. 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 Union City’s effective property tax rate to other cities in CA and the median property tax rates in CA and the U.S.

Union City in Alameda County has an effective property tax rate of 1.52%, which is notably higher than the national median of 1.02%. This rate places Union City among the higher property tax rates in the state. For property owners, this means a tax bill that is generally above the national median property tax bill of $2,400. Understanding these rates can help property owners make informed decisions about buying or appealing property taxes.

Property Tax Rates Across Union City, Alameda County, California

Source: Ownwell

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1.13%

1.76%

2.38%

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 Union City Tax Rate

1.52%

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%

Median Effective California Tax Rate

1.21%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Union City, Alameda County, California

Zip10th Percentile25th PercentileMedian Tax Rate75th Percentile90th Percentile
945871.38%1.42%1.52%1.71%2.17%

Source: Ownwell

Property Tax Assessment Values Across Union City, Alameda County, California

When examining property taxes in Union City, 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 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.

In Alameda County, assessment notices are sent in the spring each year. They’ll typically reach your mailbox by the middle of May. 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 Union City. For example, the median home price in Union City is $471,602, with tax bills ranging significantly across the county. 94587 has the highest median home price at $471,602.

Property Tax Assessment Values Across Union City, Alameda County, California

Source: Ownwell

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$182,444

$737,705

$1,292,965

Median Union City Market Value

$471,602

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 Union City, Alameda County, California

Zip10th Percentile25th PercentileMedian Home Price75th Percentile90th Percentile
94587$133,404$263,103$471,602$739,316$979,291

Source: Ownwell

Property Tax Bills Across Union City, Alameda County, California

In Union City, located in Alameda County, CA, property tax bills are determined based on the assessed value of a home. The assessed value is typically a percentage of the home's market value. Homeowners in Union City face a median property tax bill of $7,228, significantly higher than the national median of $2,400. This discrepancy is due to the area's high property values, with the median home price at $471,602. Factors influencing tax bills include the property's location, size, and any applicable exemptions. For instance, tax bills range from $4,588 at the 25th percentile to $13,728 at the 90th percentile, indicating variability based on these factors. High property taxes can strain homeowners financially, but Ownwell offers a solution. By providing property tax appeal and exemption services, Ownwell helps homeowners potentially reduce their tax liabilities. This can lead to substantial savings, allowing residents to better manage their financial obligations and make the most of their investments in their homes.

Property Tax Bills Across Union City, Alameda County, California

Source: Ownwell

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$2,132

$11,470

$20,808

Median Union City Tax Bill

$7,228

Median Alameda County Tax Bill

$7,523

Median California Tax Bill

$4,683

Median United States Tax Bill

$2,400

Property Tax Bills Across Union City, Alameda County, California

Zip10th Percentile25th PercentileMedian Tax Bill75th Percentile90th Percentile
94587$2,869$4,588$7,228$10,653$13,728

Source: Ownwell

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