Mount Hamilton, Santa Clara County, California Property Taxes
Median Mount Hamilton, CA effective property tax rate: 1.28%, significantly higher than the national median of 1.02%, but lower than the CA state median of 1.21%.
Median Mount Hamilton, CA home value: $1,048,516
Median annual Mount Hamilton, CA tax bill: $13,488, $11,088 higher than the national median property tax bill of $2,400.
How are property taxes in Santa Clara calculated?
Property taxes in Mount Hamilton, 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 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 March 1, 2025
Mount Hamilton, Santa Clara County, California Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.28%
Estimate Property Tax Bill
$13,421
$12,454
$1,102
Average Tax Savings
Property Tax Rates Across Mount Hamilton, Santa Clara County, California
Local government entities determine tax rates, which can significantly differ across regions. Annually, each county calculates its necessary budget for services and divides this by the total assessed value of all taxable property within its area. This division establishes the property tax rate. Though the process involves votes and legal considerations, this is the core method used each year.
In Mount Hamilton, located in Santa Clara County, the effective property tax rate stands at 1.28%. This rate is notably higher than the national median property tax rate of 1.02%. When compared to other areas within California, Mount Hamilton's tax rate is at the higher end of the spectrum. The property tax rates in California can vary, but Mount Hamilton aligns with some of the highest rates in the state. This means that property owners in Mount Hamilton contribute more significantly to local services than those in areas with lower rates. Understanding these variations can help property owners make informed decisions about appealing their property taxes or seeking exemptions.
Property Tax Rates Across Mount Hamilton, Santa Clara County, California
Source: Ownwell

1.14%
1.41%
1.68%
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
1.28%
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 | 1.27% | 1.27% | 1.28% | 1.31% | 1.45% |
Source: Ownwell
$1,102
Average Mount Hamilton Tax Savings
Save on your property taxes & more with Ownwell
Property Tax Assessment Values Across Mount Hamilton, Santa Clara County, California
When examining property taxes in Mount Hamilton, 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 Santa Clara 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 Santa Clara County, assessment notices are sent in the spring each year. They’ll typically reach your mailbox by the middle of April. 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 Mount Hamilton.
For example, the median home price in Mount Hamilton is $1,048,516, with tax bills ranging significantly across the county. Zip code 95140 has the highest median home price at $1,048,516.
Property Tax Assessment Values Across Mount Hamilton, Santa Clara County, California
Source: Ownwell

$225,198
$1,529,133
$2,833,068
Median Mount Hamilton Market Value
$1,048,516
Median Santa Clara County Market Value
$683,381
Median California Market Value
$378,421
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 | $408,031 | $680,340 | $1,048,516 | $1,506,576 | $1,847,752 |
Source: Ownwell
$1,102
Average Mount Hamilton Tax Savings
Save on your property taxes & more with Ownwell
Property Tax Bills Across Mount Hamilton, Santa Clara County, California
Property Tax Bills Across Mount Hamilton, Santa Clara County, California
Source: Ownwell

$2,590
$17,875
$33,160
Median Mount Hamilton Tax Bill
$13,488
Median Santa Clara County Tax Bill
$8,895
Median California Tax Bill
$4,683
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 | $6,126 | $9,149 | $13,488 | $19,586 | $23,798 |
Source: Ownwell
$1,102
Average Mount Hamilton Tax Savings
Save on your property taxes & 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 | www.sccassessor.org |
dawn.cieslik@asr.sccgov.org |
Save money on your property taxes with Ownwell

Enter your address.
With just your address Ownwell will analyze your property expenses to find you savings using real time market data, local expertise and AI.

Answer some questions.
The more we know about your property, the more we can save you. There's no up-front costs, it's risk-free to sign up. Only pay if you save!

Unlock your savings.
We gather evidence, file all documentation, and attend hearings on your behalf year after year, so you never overpay again.