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Guerneville, Sonoma County, California Property Taxes

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Property Taxes in Guerneville, California

  • Median Guerneville, California effective property tax rate: 1.86%, significantly higher than the national median of 1.02%, and higher than the California state median of 1.21%.

  • Median Guerneville, California home value: $331,862

  • Median annual Guerneville, California tax bill: $6,263, $3,863 higher than the national median property tax bill of $2,400.

How are property taxes in Sonoma calculated?

Property taxes in Guerneville, 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 Guerneville's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Guerneville, knowing local tax details benefits homeowners and investors.

Last Updated April 13, 2026

Guerneville, Sonoma County, California Property Tax Bill Calculator

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

1.86%

Estimate Property Tax Bill

$6,173

$5,728

SAVE WITH OWNWELL

$774

Average Annual Tax Savings

How Does the Guerneville Property Tax Calculator Work?

Use this Guerneville property tax calculator to estimate your annual tax bill. Enter your property's assessed value and our calculator applies Guerneville's median effective tax rate of 1.86% — based on actual property records in Sonoma County — to generate your estimate.

Enter your property's estimated assessed value — the figure the local assessment process uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Guerneville'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 Guerneville: rates range from 1.86% in 95446 to 1.86% in 95446, primarily due to differences in school district levies and local assessment districts.

Guerneville's median effective tax rate is higher than the California median tax rate of 1.21%, and the median tax bill is $6,263, which is higher than the state median by $3,863. If your estimate is higher than expected, Ownwell can appeal your Guerneville assessment — you only pay if we save you money.

About Guerneville Property Taxes

About Property Taxes in Guerneville, Sonoma, California

Guerneville’s median effective property tax rate of 1.86% is higher than the California state median of 1.21% and higher than the national median of 1.02%. This rate reflects Sonoma County’s property tax structure, where assessed values and local levies shape what homeowners pay each year.

Property tax rates are not uniform across Guerneville. Homeowners in ZIP code 95446 carry a median effective rate of 1.86%, while the lowest ZIP code also sits at 1.86%. That means there is no spread across the city, but the rate still remains well above the national median property tax rate.

Guerneville homeowners who believe their assessed value is too high can file a formal appeal with the Sonoma County Tax Assessor before the December 1, 2026 deadline each year, typically after receiving a notice in October.

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 Guerneville, Sonoma 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 Guerneville's effective property tax rate to other cities in California and the median property tax rates in California and the U.S.

Property Tax Rates Across Guerneville, Sonoma County, California

Source: Ownwell

1.11%

1.73%

2.36%

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 Guerneville Tax Rate

1.86%

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 Sonoma County Tax Rate

1.17%

Median Effective California Tax Rate

1.21%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Guerneville, Sonoma County, California

Zip10th Percentile25th PercentileMedian Tax Rate75th Percentile90th Percentile
954461.25%1.56%1.86%2.60%5.05%

Source: Ownwell

Property Tax Assessment Values Across Guerneville, Sonoma County, California

When examining property taxes in Guerneville, 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 Sonoma 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 Sonoma County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of October.

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 context, the median home price in Guerneville is $331,862, and the median tax bill is $6,263, compared with the national median property tax rate of 1.02% and national median property tax bill of $2,400.

Property Tax Assessment Values Across Guerneville, Sonoma County, California

Source: Ownwell

$180,027

$569,667

$959,306

Median Guerneville Market Value

$331,862

Median Sonoma County Market Value

$473,427

Median California Market Value

$427,605

Median United States Market Value

$235,294

Property Tax Assessment Values Across Guerneville, Sonoma County, California

Zip10th Percentile25th PercentileMedian Home Price75th Percentile90th Percentile
95446$40,412$159,304$331,862$501,980$689,785

Source: Ownwell

Property Tax Bills Across Guerneville, Sonoma County, California

How are property tax bills calculated in Guerneville?

Property tax bills in Guerneville are based on the assessed value of a home, which is influenced by the market value and local tax rates. For homeowners, that means a higher assessed value can lead to a larger bill, while a lower assessed value can reduce what is owed. In Sonoma County, the median home price is $331,862, and the median property tax bill is $6,263, which is well above the national median property tax bill of $2,400 and the national median property tax rate of 1.02%.

What affects the amount homeowners pay?

Factors like home value, exemptions, and whether the assessment is accurate all play a role in the final bill. Bills in Guerneville can range from $4,261 at the 25th percentile to $10,570 at the 90th percentile, showing how much taxes can vary from one homeowner to another.

How can Ownwell help?

Ownwell helps homeowners review their assessment, identify savings opportunities, and appeal property taxes when needed, which can lower annual property tax bills.

Property Tax Bills Across Guerneville, Sonoma County, California

Source: Ownwell

$2,952

$7,083

$11,214

Median Guerneville Tax Bill

$6,263

Median Sonoma County Tax Bill

$5,647

Median California Tax Bill

$5,134

Median United States Tax Bill

$2,400

Property Tax Bills Across Guerneville, Sonoma County, California

Zip10th Percentile25th PercentileMedian Tax Bill75th Percentile90th Percentile
95446$2,979$4,261$6,263$8,464$10,570

Source: Ownwell

Don't miss the deadline to appeal!

Frequently Asked Property Tax Questions in Guerneville, California

How are property taxes calculated in Guerneville, California?
Property taxes in Guerneville, California are calculated by multiplying your property's assessed value by the applicable tax rate set by local taxing authorities. The assessed value is determined by the county assessor and may differ from your property's market value depending on local assessment ratios and exemptions.
How do I appeal my property taxes in Guerneville, California?
To appeal your property taxes in Guerneville, California, you typically need to file a formal protest or appeal with your local appraisal district or assessor's office by the stated deadline. You'll need evidence such as comparable sales, a recent independent appraisal, or documentation of property condition issues. Ownwell can handle this entire process for you.
What property tax exemptions are available in Guerneville, California?
Common property tax exemptions in Guerneville, California include homestead exemptions for primary residences, senior citizen exemptions, veteran exemptions, and disability exemptions. Exemption amounts and eligibility requirements vary by county. Contact your local appraisal district or check Ownwell for details specific to your property.
When are property taxes due in Guerneville, California?
Property tax deadlines in Guerneville, California vary by county but typically include an assessment notice period in spring or early summer, followed by an appeal deadline, and a tax payment due date in the fall or winter. Check with your county assessor's office for specific dates in your area.
How can Ownwell help reduce my property taxes in Guerneville, California?
Ownwell provides professional property tax appeal services in Guerneville, California. Our team analyzes your assessment, gathers evidence, files all paperwork, and represents you at hearings — all with no upfront cost. You only pay a percentage of your savings if we successfully lower your tax bill.