San Anselmo, Marin County, California Property Taxes
Property Taxes in San Anselmo, California
Median San Anselmo, California effective property tax rate: 1.42%, significantly higher than the national median of 1.02%, and higher than the California state median of 1.21%.
Median San Anselmo, California home value: $956,992
Median annual San Anselmo, California tax bill: $13,478, $11,078 higher than the national median property tax bill of $2,400.
How are property taxes in Marin calculated?
Property taxes in San Anselmo, 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 San Anselmo's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in San Anselmo, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
San Anselmo, Marin County, California Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.42%
Estimate Property Tax Bill
$13,589
$12,610
How Does the San Anselmo Property Tax Calculator Work?
Use this San Anselmo property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies San Anselmo's median effective tax rate of 1.42% — based on actual property records in Marin County — to generate your estimate.
Enter your property's estimated assessed value — the figure the local assessment system uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies San Anselmo'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 San Anselmo: rates range from 1.42% in 94960 to 1.42% in 94960, 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 San Anselmo.
About San Anselmo Property Taxes
About Property Taxes in San Anselmo, Marin, California
San Anselmo’s median effective property tax rate of 1.42% is higher than the California state median of 1.21% and higher than the national median of 1.02%. This rate reflects the Marin 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 San Anselmo. Homeowners in the 94960 ZIP code carry a median effective rate of 1.42%, while those in 94960 pay 1.42%. This spread — 0.00 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Marin County. Understanding which part of San Anselmo you live in can make a meaningful difference to your annual tax bill.
San Anselmo 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 San Anselmo, Marin 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 San Anselmo'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 San Anselmo Tax Rate
1.42%
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 Marin County Tax Rate
1.39%
Median Effective California Tax Rate
1.21%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across San Anselmo, Marin County, California
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 94960 | 1.22% | 1.31% | 1.42% | 1.66% | 2.33% |
Source: Ownwell
Property Tax Assessment Values Across San Anselmo, Marin County, California
When examining property taxes in San Anselmo, 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 Marin 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 Marin 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 San Anselmo.
For example, the median home price in San Anselmo is $956,992, with tax bills ranging significantly across the county. 94960 has the highest median home price at $956,992.
Property Tax Assessment Values Across San Anselmo, Marin County, California
Source: Ownwell
$430,892
$1,472,162
$2,513,431
Median San Anselmo Market Value
$956,992
Median Marin County Market Value
$841,979
Median California Market Value
$427,605
Median United States Market Value
$235,294
Property Tax Assessment Values Across San Anselmo, Marin County, California
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 94960 | $204,493 | $501,422 | $956,992 | $1,499,918 | $2,180,957 |
Source: Ownwell
Property Tax Bills Across San Anselmo, Marin County, California
What determines property tax bills in San Anselmo?
Property tax bills in San Anselmo are based on the assessed value of a home, which is tied closely to market value and the local tax rate. With a median home price of $956,992, homeowners in this city often face larger bills than the national median property tax bill of $2,400. The amount owed can vary widely, with the 25th percentile at $8,048, the 75th percentile at $19,686, and the 90th percentile reaching $26,885.
What factors affect the final bill?
The tax bill depends on the assessed value of the property, local levies, and any exemptions or appeals that may reduce the amount due. Higher home values generally lead to higher tax bills, which can create a significant cost burden for homeowners. In San Anselmo, even small changes in assessed value can have a meaningful impact on annual property taxes.
Median San Anselmo Tax Bill
$13,478
Median Marin County Tax Bill
$11,574
Median California Tax Bill
$5,134
Median United States Tax Bill
$2,400
Property Tax Bills Across San Anselmo, Marin County, California
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 94960 | $4,734 | $8,048 | $13,478 | $19,686 | $26,885 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Property Valuation Date | January 1 |
| Appeal Deadline | December 1 |
| Tax Bill | |
| Issued | October 1 |
| Due Date #1 | December 10 |
| Due Date #2 | April 10 |
Links | |
|---|---|
| Marin Tax Assessor | |
| Website | apps.marincounty.org |