Clearlake Oaks, Lake County, California Property Taxes
Property Taxes in Clearlake Oaks, California
Median Clearlake Oaks, California effective property tax rate: 1.16%, significantly lower than the national median of 1.02%, and lower than the California state median of 1.21%.
Median Clearlake Oaks, California home value: $176,910
Median annual Clearlake Oaks, California tax bill: $2,025, $375 lower than the national median property tax bill of $2,400.
How are property taxes in Lake calculated?
Property taxes in Clearlake Oaks, 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 Clearlake Oaks's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Clearlake Oaks, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Clearlake Oaks, Lake County, California Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.16%
Estimate Property Tax Bill
$2,052
$1,904
How Does the Clearlake Oaks Property Tax Calculator Work?
Use this Clearlake Oaks property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Clearlake Oaks's median effective tax rate of 1.16% — based on actual property records in Lake 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 Clearlake Oaks'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 Clearlake Oaks: rates range from 1.16% in 95423 to 1.16% in 95423, primarily due to differences in school district levies and local assessment districts.
For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Clearlake Oaks.
About Clearlake Oaks Property Taxes
About Property Taxes in Clearlake Oaks, Lake, California
Clearlake Oaks's median effective property tax rate of 1.16% is lower than the California state median of 1.21% and higher than the national median of 1.02%. This rate reflects the Lake 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 Clearlake Oaks. Homeowners in the 95423 ZIP code carry a median effective rate of 1.16%, while those in the lowest ZIP code pay 1.16%. This spread reflects how school district boundaries and local assessment districts are drawn across Lake County. Understanding which part of Clearlake Oaks you live in can make a meaningful difference to your annual tax bill.
Clearlake Oaks homeowners who believe their assessed value is too high can file a formal appeal with the local Tax Assessor before the November 30, 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 Clearlake Oaks, Lake 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 Clearlake Oaks's effective property tax rate to other cities in California and the median property tax rates in California and the U.S.
Our median effective property tax rate (tax bill Ă· 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 Clearlake Oaks Tax Rate
1.16%
Our median effective property tax rate (tax bill Ă· 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 Lake County Tax Rate
1.19%
Median Effective California Tax Rate
1.21%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Clearlake Oaks, Lake County, California
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 95423 | 1.13% | 1.14% | 1.16% | 1.19% | 1.27% |
Source: Ownwell
Property Tax Assessment Values Across Clearlake Oaks, Lake County, California
When examining property taxes in Clearlake Oaks, 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. The Lake 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 Lake County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of the month.
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 Clearlake Oaks.
For example, the median home price in Clearlake Oaks is $176,910, with tax bills ranging significantly across the county. 95423 has the highest median home price at $176,910.
Property Tax Assessment Values Across Clearlake Oaks, Lake County, California
Source: Ownwell
$105,069
$206,356
$307,642
Median Clearlake Oaks Market Value
$176,910
Median Lake County Market Value
$215,510
Median California Market Value
$427,605
Median United States Market Value
$235,294
Property Tax Assessment Values Across Clearlake Oaks, Lake County, California
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 95423 | $49,097 | $101,757 | $176,910 | $263,833 | $346,452 |
Source: Ownwell
Property Tax Bills Across Clearlake Oaks, Lake County, California
Property tax bills in Clearlake Oaks are based on the assessed value of a home, which is tied to the market value of the property. Local tax rates are then applied to that assessed value to determine the final bill. For homeowners in Lake County, this means the amount owed can vary depending on the home’s value and any changes in assessment.
With a median home price of $176,910, property tax bills in the city can fall below or above the national median property tax bill of $2,400, depending on the property. The 25th percentile tax bill is $1,151, while the 75th percentile is $3,018 and the 90th percentile reaches $3,977. These differences show how much property taxes can affect monthly housing costs and long-term affordability.
Because property taxes are based on assessed value, homeowners should understand how their home is valued and how local rates are applied.
Median Clearlake Oaks Tax Bill
$2,025
Median Lake County Tax Bill
$2,503
Median California Tax Bill
$5,134
Median United States Tax Bill
$2,400
Property Tax Bills Across Clearlake Oaks, Lake County, California
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 95423 | $583 | $1,151 | $2,025 | $3,018 | $3,977 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | November 30 |
Links | |
|---|---|
| Lake Tax Assessor | |
| Website | common2.mptsweb.com |