San Quentin, Marin County, California Property Taxes
Property Taxes in San Quentin, California
Median San Quentin, California effective property tax rate: 1.45%, significantly higher than the national median of 1.02%, and higher than the California state median of 1.21%.
Median San Quentin, California home value: $589,274
Median annual San Quentin, California tax bill: $7,838, $5,438 higher than the national median property tax bill of $2,400.
How are property taxes in Marin calculated?
Property taxes in San Quentin, 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 Quentin's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in San Quentin, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
San Quentin, Marin County, California Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.45%
Estimate Property Tax Bill
$8,544
$7,929
How Does the San Quentin Property Tax Calculator Work?
Use this San Quentin property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies San Quentin's median effective tax rate of 1.45% — 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 Quentin'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 Quentin: rates range from 1.45% in 94964 to 1.45% in 94964, 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 Quentin.
About San Quentin Property Taxes
About Property Taxes in San Quentin, Marin, California
San Quentin’s median effective property tax rate of 1.45% 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 Quentin. Homeowners in the 94964 ZIP code carry a median effective rate of 1.45%, while those in the same ZIP also pay 1.45%. This reflects how school district boundaries and local assessment districts are drawn across Marin County. Understanding which part of San Quentin you live in can make a meaningful difference to your annual tax bill.
San Quentin 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 Quentin, 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 Quentin'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 Quentin Tax Rate
1.45%
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 Quentin, Marin County, California
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 94964 | 1.26% | 1.32% | 1.45% | 1.70% | 3.07% |
Source: Ownwell
Property Tax Assessment Values Across San Quentin, Marin County, California
When examining property taxes in San Quentin, 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 Quentin.
For example, the median home price in San Quentin is $589,274, with tax bills ranging significantly across the county. 94964 has the highest median home price at $589,274.
Property Tax Assessment Values Across San Quentin, Marin County, California
Source: Ownwell
$430,892
$1,472,162
$2,513,431
Median San Quentin Market Value
$589,274
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 Quentin, Marin County, California
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 94964 | $87,264 | $302,429 | $589,274 | $1,169,498 | $1,325,514 |
Source: Ownwell
Property Tax Bills Across San Quentin, Marin County, California
Property tax bills in San Quentin are based on the assessed value of a home and the local tax rate set by Marin County and other taxing authorities. With a median home price of $589,274, homeowners can expect bills that reflect both property value and local levies, which can include county, city, school, and special district charges.
The typical tax bill in the area is $7,838, which is well above the national median property tax bill of $2,400. That means homeowners here often pay more than the national average, especially as home values rise. Bills can vary widely, with the 25th percentile at $4,673, the 75th percentile at $15,458, and the 90th percentile at $16,947.
For homeowners, this means property taxes can be a major part of annual housing costs. A higher assessed value usually leads to a higher bill, so understanding how your property is valued is key.
Median San Quentin Tax Bill
$7,838
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 Quentin, Marin County, California
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 94964 | $2,639 | $4,673 | $7,838 | $15,458 | $16,947 |
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 |