Property Taxes in Kelseyville, California
Median Kelseyville, California effective property tax rate: 1.09%, significantly higher than the national median of 1.02%, and lower than the California state median of 1.21%.
Median Kelseyville, California home value: $273,791
Median annual Kelseyville, California tax bill: $2,932, $532 higher than the national median property tax bill of $2,400.
How are property taxes in Lake County calculated?
Property taxes in Kelseyville, 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 Kelseyville's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Kelseyville, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
How Does the Kelseyville Property Tax Calculator Work?
Use this Kelseyville property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Kelseyville's median effective tax rate of 1.09% — 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 Kelseyville'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 Kelseyville: rates range from 1.09% in 95451 to 1.09% in 95451, 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 Kelseyville.
About Kelseyville Property Taxes
About Property Taxes in Kelseyville, Lake, California
Kelseyville’s median effective property tax rate of 1.09% 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 can vary by subdivision throughout the city.
Property tax rates are not uniform across Kelseyville. Homeowners in the 95451 ZIP code carry a median effective rate of 1.09%, and the same ZIP also shows the lowest median rate at 1.09%. That consistency reflects how local assessment districts and school boundaries are drawn across Lake County.
Kelseyville homeowners who believe their assessed value is too high can file a formal appeal with the Tax Assessor before the November 30, 2026 deadline each year.
If your estimated bill 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 Kelseyville, 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 Kelseyville'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 Kelseyville Tax Rate
1.09%
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
1.27%
Property Tax Rates Across Kelseyville, Lake County, California
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 95451 | 1.06% | 1.07% | 1.09% | 1.09% | 1.11% |
Source: Ownwell
Property Tax Assessment Values Across Kelseyville, Lake County, California
When examining property taxes in Kelseyville, 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. Lake 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 Lake County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of the season.
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 example, the median home price in Kelseyville is $273,791, with tax bills ranging significantly across the county. ZIP code 95451 has the highest median home price at $273,791.
Property Tax Assessment Values Across Kelseyville, Lake County, California
Source: Ownwell
$105,069
$206,356
$307,642
Median Kelseyville Market Value
$273,791
Median Lake County Market Value
$215,510
Median California Market Value
$427,605
Median United States Market Value
$274,101
Property Tax Assessment Values Across Kelseyville, Lake County, California
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 95451 | $116,575 | $180,000 | $273,791 | $381,336 | $539,829 |
Source: Ownwell
Property Tax Bills Across Kelseyville, Lake County, California
Property tax bills in Kelseyville are based on the assessed value of a home, not its market price alone. Local tax rates are applied to that assessed value to determine the final bill, so changes in assessment can directly affect what homeowners owe. For a home with a median value of $273,791, the tax bill can vary widely depending on the property and its assessment history.
In Kelseyville, the typical property tax bill is $2,932, which is above the national median property tax bill of $2,400. Bills at the 25th percentile are $1,883, while the 75th percentile reaches $4,109 and the 90th percentile climbs to $5,765. These differences show how much property taxes can vary from one homeowner to another. Higher assessed values usually mean higher tax bills, which can increase the cost of owning a home and make annual housing expenses less predictable.
Median Kelseyville Tax Bill
$2,932
Median Lake County Tax Bill
$2,503
Median California Tax Bill
$5,134
Median United States Tax Bill
$3,209
Property Tax Bills Across Kelseyville, Lake County, California
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 95451 | $1,135 | $1,883 | $2,932 | $4,109 | $5,765 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | November 30 |
Links | |
|---|---|
| Lake Tax Assessor | |
| Website | common2.mptsweb.com |