Mount Hamilton, Santa Clara County, California Property Taxes
Property Taxes in Mount Hamilton, California
Median Mount Hamilton, California effective property tax rate: 1.30%, significantly higher than the national median of 1.02%, and higher than the California state median of 1.21%.
Median Mount Hamilton, California home value: $1,082,609
Median annual Mount Hamilton, California tax bill: $14,147, $11,747 higher than the national median property tax bill of $2,400.
How are property taxes in Santa Clara calculated?
Property taxes in Mount Hamilton, 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 Mount Hamilton's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Mount Hamilton, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Mount Hamilton, Santa Clara County, California Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.3%
Estimate Property Tax Bill
$14,074
$13,060
$774
Average Annual Tax Savings
How Does the Mount Hamilton Property Tax Calculator Work?
Use this Mount Hamilton property tax calculator to estimate your annual tax bill. Enter your property's assessed value and our calculator applies Mount Hamilton's median effective tax rate of 1.30% — based on actual property records in Santa Clara County — to generate your estimate.
Enter your property's estimated assessed value — the figure the local assessment process uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Mount Hamilton's median effective rate across all local levies, providing a more accurate estimate than applying a single county rate.
Your bill may vary by ZIP code within Mount Hamilton: rates are 1.30% in 95140, primarily due to differences in local levies and assessment districts.
If your estimate is higher than expected, Ownwell can appeal your Mount Hamilton assessment — you only pay if we save you money.
About Mount Hamilton Property Taxes
About Property Taxes in Mount Hamilton, Santa Clara, California
Mount Hamilton’s median effective property tax rate of 1.30% is higher than the California state median of 1.21% and higher than the national median of 1.02%. This rate reflects Santa Clara County’s assessed-value system, where local levies can push bills well above the national median property tax bill of $2,400.
Property taxes are not uniform across Mount Hamilton. The median tax rate is 1.30% in ZIP code 95140, and the median tax bill is $14,147. That bill is also higher than the state median by $11,747. For homeowners, the assessed value of a home can have a major impact on what they owe each year.
Mount Hamilton homeowners who believe their assessed value is too high can file a formal appeal with the Tax Assessor before September 15, 2026.
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 Mount Hamilton, Santa Clara 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 Mount Hamilton'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 Mount Hamilton, Santa Clara County, California
Source: Ownwell
1.15%
1.42%
1.70%
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 Mount Hamilton Tax Rate
1.30%
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 Santa Clara County Tax Rate
1.31%
Median Effective California Tax Rate
1.21%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Mount Hamilton, Santa Clara County, California
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 95140 | 1.29% | 1.29% | 1.30% | 1.32% | 1.46% |
Source: Ownwell
$774
Average Annual Tax Savings
Save on Your Property Taxes and More With Ownwell
Property Tax Assessment Values Across Mount Hamilton, Santa Clara County, California
When examining property taxes in Mount Hamilton, 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. Santa Clara County 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 Santa Clara County, assessment notices are sent in August 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. For Mount Hamilton, the median home price is $1,082,609, with a median tax bill of $14,147. The highest median home price is in 95140 at $1,082,609.
Property Tax Assessment Values Across Mount Hamilton, Santa Clara County, California
Source: Ownwell
$248,609
$1,619,295
$2,989,980
Median Mount Hamilton Market Value
$1,082,609
Median Santa Clara County Market Value
$717,300
Median California Market Value
$427,605
Median United States Market Value
$235,294
Property Tax Assessment Values Across Mount Hamilton, Santa Clara County, California
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 95140 | $417,226 | $703,868 | $1,082,609 | $1,538,722 | $1,955,682 |
Source: Ownwell
$774
Average Annual Tax Savings
Save on Your Property Taxes and More With Ownwell
Property Tax Bills Across Mount Hamilton, Santa Clara County, California
Property tax bills in Mount Hamilton are based on the assessed value of a home, not its market price alone, and local tax rates are applied to that assessment to determine what homeowners owe. In Santa Clara County, the median home price is $1,082,609, and property tax bills can vary widely depending on location, exemptions, and how the home is assessed. For many homeowners, that means the bill can be a major part of annual housing costs, especially when local assessments rise faster than expected.
In Mount Hamilton, the 25th percentile tax bill is $9,499, the 75th percentile is $19,904, and the 90th percentile is $25,254, all far above the national median property tax bill of $2,400. Ownwell helps homeowners lower property tax bills by reviewing assessments, identifying overassessments, and filing appeals to seek a fairer tax bill.
Property Tax Bills Across Mount Hamilton, Santa Clara County, California
Source: Ownwell
$2,906
$19,795
$36,683
Median Mount Hamilton Tax Bill
$14,147
Median Santa Clara County Tax Bill
$9,592
Median California Tax Bill
$5,134
Median United States Tax Bill
$2,400
Property Tax Bills Across Mount Hamilton, Santa Clara County, California
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 95140 | $6,422 | $9,499 | $14,147 | $19,904 | $25,254 |
Source: Ownwell
$774
Average Annual Tax Savings
Save on Your Property Taxes and More With Ownwell
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 | |
|---|---|
| Santa Clara Tax Assessor | |
| Phone | (408) 299-5372 |
| Website | asr.santaclaracounty.gov |
| dawn.cieslik@asr.sccgov.org | |