Ross, Marin County, California Property Taxes
Property Taxes in Ross, California
Median Ross, California effective property tax rate: 1.29%, significantly higher than the national median of 1.02%, and higher than the California state median of 1.21%.
Median Ross, California home value: $2,513,431
Median annual Ross, California tax bill: $32,173, $29,773 higher than the national median property tax bill of $2,400.
How are property taxes in Marin calculated?
Property taxes in Ross, 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 Ross's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Ross, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Ross, Marin County, California Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.29%
Estimate Property Tax Bill
$32,423
$30,088
How Does the Ross Property Tax Calculator Work?
Use this Ross property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Ross's median effective tax rate of 1.29% — based on actual property records in Marin 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 Ross'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 Ross: rates range from 1.29% in 94957 to 1.29% in 94957, 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 Ross.
About Ross Property Taxes
About Property Taxes in Ross, Marin, California
Ross’s median effective property tax rate of 1.29% 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 other local assessments that can affect property taxes across the city.
Property tax rates are not uniform across Ross. Homeowners in the 94957 ZIP code carry a median effective rate of 1.29%, while the lowest median rate is also 1.29%. That means there is no ZIP-code spread in the available data, but the assessed value of a home still plays a major role in the annual bill.
Ross homeowners who believe their assessed value is too high can file a formal appeal with the Marin 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 Ross, 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 Ross'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 ÷ 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 Ross Tax Rate
1.29%
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 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 Ross, Marin County, California
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 94957 | 1.15% | 1.20% | 1.29% | 1.45% | 1.97% |
Source: Ownwell
Property Tax Assessment Values Across Ross, Marin County, California
When examining property taxes in Ross, 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 tax authority 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.
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 Ross.
For example, the median home price in Ross is $2,513,431, with tax bills ranging significantly across the county. 94957 has the highest median home price at $2,513,431.
Property Tax Assessment Values Across Ross, Marin County, California
Source: Ownwell
$430,892
$1,472,162
$2,513,431
Median Ross Market Value
$2,513,431
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 Ross, Marin County, California
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 94957 | $489,122 | $1,254,306 | $2,513,431 | $4,458,405 | $7,627,280 |
Source: Ownwell
Property Tax Bills Across Ross, Marin County, California
Property tax bills in Ross are based on the assessed value of a home, which is then multiplied by the local property tax rate. For a city with a median home price of $2,513,431, even small changes in assessed value can have a major effect on the final bill. The amount a homeowner owes depends on the home’s market value, local tax rates, and any exemptions or exclusions that may apply.
In Ross, property tax bills are substantial, with the 25th percentile at $17,965, the 75th percentile at $53,680, and the 90th percentile at $88,381. The median tax bill is $32,173 in zip code 94957, which is far above the national median property tax bill of $2,400 and the national median property tax rate of 1.02%. For homeowners, this means property taxes can be a significant ongoing cost that affects affordability and long-term housing expenses.
Median Ross Tax Bill
$32,173
Median Marin County Tax Bill
$11,574
Median California Tax Bill
$5,134
Median United States Tax Bill
$2,400
Property Tax Bills Across Ross, Marin County, California
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 94957 | $9,646 | $17,965 | $32,173 | $53,680 | $88,381 |
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 |