Diamond Bar, Los Angeles County, California Property Taxes
Median Diamond Bar, CA effective property tax rate: 1.28%, significantly higher than the national median of 1.02%, but lower than the California state median of 1.21%.
Median Diamond Bar, CA home value: $484,500
Median annual Diamond Bar, CA tax bill: $6,085, $3,685 higher than the national median property tax bill of $2,400.
How are property taxes in Los Angeles County calculated?
Property taxes in Diamond Bar, 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 Diamond Bar’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Diamond Bar, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Diamond Bar, Los Angeles County, California Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.28%
Estimate Property Tax Bill
$6,202
$5,755
$1,102
Average Tax Savings
Ownwell’s Diamond Bar Property Tax Bill Calculator empowers homeowners, real estate investors, and potential buyers to estimate their annual property taxes in Diamond Bar with just two data points. By entering your property's estimated assessed value, our calculator applies Diamond Bar’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 Los Angeles County. With the median property tax bill in Diamond Bar being significantly higher than the national median, understanding your tax obligations becomes even more crucial. Our services are designed to help you navigate these complexities and potentially lower your tax burden.
For those interested in more localized information, please scroll down to explore city-level trends!
Property Tax Rates Across Diamond Bar, Los Angeles County, California
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 Diamond Bar 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 Los Angeles County Tax Rate
1.24%
Median Effective California Tax Rate
1.21%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Diamond Bar, Los Angeles County, California
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
91765 | 1.19% | 1.22% | 1.28% | 1.34% | 1.42% |
Source: Ownwell
$1,102
Average Diamond Bar Tax Savings
Save on your property taxes & more with Ownwell
Property Tax Assessment Values Across Diamond Bar, Los Angeles County, California
Property Tax Assessment Values Across Diamond Bar, Los Angeles County, California
Source: Ownwell

$54,919
$1,436,037
$2,817,155
Median Diamond Bar Market Value
$484,500
Median Los Angeles County Market Value
$434,238
Median California Market Value
$378,421
Median United States Market Value
$235,294
Property Tax Assessment Values Across Diamond Bar, Los Angeles County, California
Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
91765 | $207,815 | $317,182 | $484,500 | $734,312 | $997,083 |
Source: Ownwell
$1,102
Average Diamond Bar Tax Savings
Save on your property taxes & more with Ownwell
Property Tax Bills Across Diamond Bar, Los Angeles County, California
In Diamond Bar, located in Los Angeles County, CA, property tax bills are calculated based on the assessed value of a home, which is determined by the county assessor. The property tax rate in this region is influenced by state laws and local voter-approved measures. With the median home price at $484,500, homeowners can expect varying tax bills depending on their property's assessed value. The 25th percentile tax bill is around $4,159, while those in the 75th percentile see bills near $8,913. The 90th percentile tax bill reaches approximately $11,867. In Diamond Bar, the median tax bill aligns with the local zip code 91765, standing at $6,085, which is significantly higher than the national median property tax bill of $2,400.
These tax obligations can be substantial, impacting homeowners' budgets considerably. Ownwell offers valuable services to help homeowners reduce these expenses by appealing their property tax assessments. By leveraging expert knowledge and experience, Ownwell can identify inaccuracies in assessments, ensuring homeowners pay only their fair share, potentially saving them thousands of dollars annually.
Property Tax Bills Across Diamond Bar, Los Angeles County, California
Source: Ownwell

$823
$15,724
$30,625
Median Diamond Bar Tax Bill
$6,085
Median Los Angeles County Tax Bill
$5,343
Median California Tax Bill
$4,683
Median United States Tax Bill
$2,400
Property Tax Bills Across Diamond Bar, Los Angeles County, California
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
91765 | $2,856 | $4,159 | $6,085 | $8,913 | $11,867 |
Source: Ownwell
$1,102
Average Diamond Bar 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 | December 1 |
Tax Bill | |
Issued | October 1 |
Due Date #1 | December 10 |
Due Date #2 | April 10 |
Links | |
---|---|
Los Angeles Tax Assessor | |
Phone | (213) 974-3211 |
Website | portal.assessor.lacounty.gov |
pio@assessor.lacounty.gov |
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