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Geyserville, Sonoma County, California Property Taxes

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Property Taxes in Geyserville, California

  • Median Geyserville, California effective property tax rate: 1.37%, significantly higher than the national median of 1.02%, and higher than the California state median of 1.21%.

  • Median Geyserville, California home value: $462,794

  • Median annual Geyserville, California tax bill: $6,476, $4,076 higher than the national median property tax bill of $2,400.

How are property taxes in Sonoma calculated?

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

Last Updated April 13, 2026

Geyserville, Sonoma County, California Property Tax Bill Calculator

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

1.37%

Estimate Property Tax Bill

$6,340

$5,884

SAVE WITH OWNWELL

$774

Average Annual Tax Savings

How Does the Geyserville Property Tax Calculator Work?

Use this Geyserville property tax calculator to estimate your annual tax bill. Enter your property's assessed value and our calculator applies Geyserville's median effective tax rate of 1.37% — based on actual property records in Sonoma County — to generate your estimate.

Enter your property's estimated assessed value — the figure the local assessor uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Geyserville'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 Geyserville: rates range from 1.37% in 95441 to 1.37% in 95441, primarily due to differences in school district levies and local assessment districts. Geyserville's median effective tax rate is higher than the 1.21% state median, and the median tax bill of $6,476 is higher than the national median property tax bill of $2,400.

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

About Geyserville Property Taxes

About Property Taxes in Geyserville, Sonoma, California

Geyserville’s median effective property tax rate of 1.37% is higher than the California state median of 1.21% and higher than the national median of 1.02%. This rate reflects the Sonoma 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 Geyserville. Homeowners in the 95441 ZIP code carry a median effective rate of 1.37%, while those in the same ZIP code pay 1.37%. This spread reflects how school district boundaries and local assessment districts are drawn across Sonoma County. Understanding which part of Geyserville you live in can make a meaningful difference to your annual tax bill.

Geyserville homeowners who believe their assessed value is too high can file a formal appeal with the local Tax Assessor before the December 1, 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 Geyserville, 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 Geyserville'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 Geyserville, 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 Geyserville Tax Rate

1.37%

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 Geyserville, Sonoma County, California

Zip10th Percentile25th PercentileMedian Tax Rate75th Percentile90th Percentile
954411.12%1.16%1.37%1.65%2.46%

Source: Ownwell

Property Tax Assessment Values Across Geyserville, Sonoma County, California

When examining property taxes in Geyserville, 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 assessor 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 Geyserville.

For example, the median home price in Geyserville is $462,794, with tax bills ranging significantly across the county. 95441 has the highest median home price at $462,794.

Property Tax Assessment Values Across Geyserville, Sonoma County, California

Source: Ownwell

$180,027

$569,667

$959,306

Median Geyserville Market Value

$462,794

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 Geyserville, Sonoma County, California

Zip10th Percentile25th PercentileMedian Home Price75th Percentile90th Percentile
95441$53,782$203,406$462,794$761,660$1,339,820

Source: Ownwell

Property Tax Bills Across Geyserville, Sonoma County, California

Property tax bills in Geyserville are based on a home’s assessed value, which is then multiplied by the local property tax rate. For homeowners, that means a higher market value can lead to a higher tax bill, even when the home itself has not changed. With a median home price of $462,794, property taxes can be a meaningful part of ownership costs in Sonoma County.

In Geyserville, the 25th percentile tax bill is $3,718, the 75th percentile is $9,703, and the 90th percentile is $16,485. That range shows how much property taxes can vary from one homeowner to another. Compared with the national median property tax rate of 1.02% and the national median property tax bill of $2,400, many homeowners may be paying more than they should.

Ownwell helps homeowners lower their property tax bills by reviewing assessed values and identifying opportunities to appeal overassessments. If your bill seems too high, Ownwell can help you challenge it and potentially save money year after year.

Property Tax Bills Across Geyserville, Sonoma County, California

Source: Ownwell

$2,952

$7,083

$11,214

Median Geyserville Tax Bill

$6,476

Median Sonoma County Tax Bill

$5,647

Median California Tax Bill

$5,134

Median United States Tax Bill

$2,400

Property Tax Bills Across Geyserville, Sonoma County, California

Zip10th Percentile25th PercentileMedian Tax Bill75th Percentile90th Percentile
95441$1,982$3,718$6,476$9,703$16,485

Source: Ownwell

Don't miss the deadline to appeal!

Frequently Asked Property Tax Questions in Geyserville, California

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