Boonville, Mendocino County, California Property Taxes
Property Taxes in Boonville, California
Median Boonville, 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 Boonville, California home value: $259,312
Median annual Boonville, California tax bill: $3,110, higher than the national median property tax bill of $2,400.
How are property taxes in Mendocino calculated?
Property taxes in Boonville, 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 Boonville's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Boonville, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Boonville, Mendocino County, California Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.16%
Estimate Property Tax Bill
$3,008
$2,791
How Does the Boonville Property Tax Calculator Work?
Use this Boonville property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Boonville's median effective tax rate of 1.16% — based on actual property records in Mendocino 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 Boonville'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 Boonville: rates range from 1.16% in 95415 to 1.16% in 95415, 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 Boonville.
About Boonville Property Taxes
About Property Taxes in Boonville, Mendocino, California
Boonville’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 Mendocino County levy and local taxing districts that shape what homeowners pay on a market value basis.
Property tax rates are not uniform across Boonville. Homeowners in the 95415 ZIP code carry a median effective rate of 1.16%, the same across the city in the available data. That means location-based differences are limited here, but assessed value still plays a major role in the final bill.
Boonville 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 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 Boonville, Mendocino 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 Boonville'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 ÷ 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 Boonville Tax Rate
1.16%
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 Mendocino County Tax Rate
1.22%
Median Effective California Tax Rate
1.21%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Boonville, Mendocino County, California
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 95415 | 1.14% | 1.14% | 1.16% | 1.19% | 1.28% |
Source: Ownwell
Property Tax Assessment Values Across Boonville, Mendocino County, California
When examining property taxes in Boonville, 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 Mendocino 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.
Assessment notices:
In Mendocino County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of the month when notices are sent.
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 Boonville.
For example, the median home price in Boonville is $259,312, with tax bills ranging significantly across the county. 95415 has the highest median home price at $259,312.
Property Tax Assessment Values Across Boonville, Mendocino County, California
Source: Ownwell
$93,834
$282,160
$470,486
Median Boonville Market Value
$259,312
Median Mendocino County Market Value
$243,814
Median California Market Value
$427,605
Median United States Market Value
$235,294
Property Tax Assessment Values Across Boonville, Mendocino County, California
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 95415 | $50,787 | $118,928 | $259,312 | $430,216 | $647,210 |
Source: Ownwell
Property Tax Bills Across Boonville, Mendocino County, California
Property tax bills in Boonville are based on the assessed value of a home, which is influenced by the market value of the property and local tax rates. For a home with a median value of $259,312, the tax bill can vary widely depending on how the property is assessed and which exemptions or local levies apply. The county’s median tax bill is $3,110, which is higher than the national median property tax bill of $2,400 and reflects the impact of local assessment practices.
Homeowners in Boonville may see bills that fall well below or above that median. The 25th percentile tax bill is $1,433, while the 75th percentile reaches $4,963 and the 90th percentile climbs to $7,602. These differences show how property taxes can affect homeowners unevenly, even within the same city. A higher assessed value typically means a higher bill, making it important for homeowners to understand how their property is valued and taxed.
Median Boonville Tax Bill
$3,110
Median Mendocino County Tax Bill
$3,133
Median California Tax Bill
$5,134
Median United States Tax Bill
$2,400
Property Tax Bills Across Boonville, Mendocino County, California
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 95415 | $568 | $1,433 | $3,110 | $4,963 | $7,602 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | November 30 |
Links | |
|---|---|
| Mendocino Tax Assessor | |
| Website | ca-mendocino.publicaccessnow.com |