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Graton, Sonoma County, California Property Taxes

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Property Taxes in Graton, California

  • Median Graton, California effective property tax rate: 1.61%, significantly higher than the national median of 1.02%, and higher than the California state median of 1.21%.

  • Median Graton, California home value: $421,017

  • Median annual Graton, California tax bill: $6,916, higher than the national median property tax bill of $2,400.

How are property taxes in Sonoma calculated?

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

Last Updated April 13, 2026

Graton, Sonoma County, California Property Tax Bill Calculator

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

1.61%

Estimate Property Tax Bill

$6,778

$6,290

SAVE WITH OWNWELL

$774

Average Annual Tax Savings

How Does the Graton Property Tax Calculator Work?

Use this Graton property tax calculator to estimate your annual tax bill. Enter your property's assessed value and our calculator applies Graton's median effective tax rate of 1.61% — based on actual property records in Sonoma 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 Graton'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 Graton: rates range from 1.61% in 95444 to 1.61% in 95444, primarily due to differences in school district levies and local assessment districts.

If your estimate is higher than expected, Ownwell can appeal your Graton assessment — you only pay if we save you money.

About Graton Property Taxes

About Property Taxes in Graton, Sonoma, California

Graton’s median effective property tax rate of 1.61% 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 local tax structure and the way assessed values are taxed across the area.

Property tax rates are not uniform across Graton. Homeowners in ZIP code 95444 carry a median effective rate of 1.61%, which is the same across the city in the data provided. That means location within Graton does not create a rate spread in this case, but the local tax burden is still well above the national median property tax rate.

Graton 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.

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 Graton, 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 Graton'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 Graton, Sonoma County, California

Source: Ownwell

1.11%

1.73%

2.36%

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 Graton Tax Rate

1.61%

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 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 Graton, Sonoma County, California

Zip10th Percentile25th PercentileMedian Tax Rate75th Percentile90th Percentile
954441.32%1.41%1.61%2.01%2.65%

Source: Ownwell

Property Tax Assessment Values Across Graton, Sonoma County, California

When examining property taxes in Graton, 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 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 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. 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 Graton.

For example, the median home price in Graton is $421,017, with tax bills ranging significantly across the county. 95444 has the highest median home price at $421,017.

Property Tax Assessment Values Across Graton, Sonoma County, California

Source: Ownwell

$180,027

$569,667

$959,306

Median Graton Market Value

$421,017

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 Graton, Sonoma County, California

Zip10th Percentile25th PercentileMedian Home Price75th Percentile90th Percentile
95444$125,858$214,744$421,017$687,157$884,563

Source: Ownwell

Property Tax Bills Across Graton, Sonoma County, California

How are property tax bills calculated in Graton?

Property tax bills in Graton are based on the assessed value of a home, which is then multiplied by the local tax rate. For a home with a median home price of $421,017, the bill can vary widely depending on the assessed value and any exemptions or local assessments that apply. Homeowners in Graton often see bills that are higher than the national median property tax bill of $2,400, with the 25th percentile at $4,254, the 75th percentile at $10,253, and the 90th percentile at $12,429.

What affects your property tax bill?

The main factors are the home’s assessed value, local tax rates, and whether the assessment accurately reflects market conditions. If your assessment is too high, you may be paying more than necessary.

How can Ownwell help?

Ownwell helps homeowners review their assessments, identify savings opportunities, and file property tax appeals when appropriate. By challenging an inaccurate assessment, Ownwell can help reduce your property tax bill and keep more money in your pocket.

Property Tax Bills Across Graton, Sonoma County, California

Source: Ownwell

$2,952

$7,083

$11,214

Median Graton Tax Bill

$6,916

Median Sonoma County Tax Bill

$5,647

Median California Tax Bill

$5,134

Median United States Tax Bill

$2,400

Property Tax Bills Across Graton, Sonoma County, California

Zip10th Percentile25th PercentileMedian Tax Bill75th Percentile90th Percentile
95444$3,062$4,254$6,916$10,253$12,429

Source: Ownwell

Don't miss the deadline to appeal!

Frequently Asked Property Tax Questions in Graton, California

How are property taxes calculated in Graton, California?
Property taxes in Graton, 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 Graton, California?
To appeal your property taxes in Graton, 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 Graton, California?
Common property tax exemptions in Graton, 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 Graton, California?
Property tax deadlines in Graton, 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 Graton, California?
Ownwell provides professional property tax appeal services in Graton, 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.