Mill Valley, Marin County, California Property Taxes

Name: Property Tax Bills Across Mill Valley, Marin County, California
Creator: Ownwell
License: https://creativecommons.org/licenses/by-nc/4.0/

Median Mill Valley, CA effective property tax rate: 1.41%, significantly higher than the national median of 1.02%, but lower than the California state median of 1.21%.
Median Mill Valley, CA home value: $1,052,672
Median annual Mill Valley, CA tax bill: $14,747, $12,347 higher than the national median property tax bill of $2,400.

How are property taxes in Marin calculated?

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

Last Updated March 1, 2025

Mill Valley, Marin County, California Property Tax Bill Calculator

Property Assessed Value

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

1.41%

Estimate Property Tax Bill

$14,843

$13,774

Ownwell’s Mill Valley Property Tax Bill Calculator empowers homeowners, real estate investors, and potential buyers to estimate their annual property taxes in Mill Valley with just two data points. By entering your property's estimated assessed value, our calculator applies Mill Valley’s median effective tax rate to accurately estimate your property tax bill. Note that your property's assessed value — determined by your county — reflects any exemptions you may have, ensuring a precise calculation for your property tax obligations. This insightful tool helps you understand potential tax liabilities and highlights how Ownwell can assist in reducing property taxes in Marin County. For those interested in more localized information, please scroll down to explore city-level trends!

Property Tax Rates Across Mill Valley, Marin County, California

Local government entities are responsible for setting tax rates, which can vary significantly within a state. Each year, counties estimate their required budget to provide essential services and divide that by the total value of all taxable property within their jurisdiction. This calculation results in the property tax rate. While votes and laws play a role in setting tax rates and budgets, this is the annual process in a nutshell.

In Mill Valley, located in Marin County, CA, the effective property tax rate is a point of comparison to other cities in California. With a median property tax rate of 1.41%, Mill Valley stands out against the national median property tax rate of 1.02%. This higher rate reflects the county's budgeting needs and property values. Mill Valley’s property tax rate is consistent, as it shares the same rate across its zip code, 94941.

Understanding these rates is crucial for property owners, as they directly impact annual property tax bills, which are often higher than the national median of $2,400. By being informed, property owners can better navigate the complexities of property tax appeals and exemptions.

Property Tax Rates Across Mill Valley, Marin County, California

Source: Ownwell

1.12%

1.36%

1.60%

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 Mill Valley Tax Rate

1.41%

Median Effective Marin County Tax Rate

1.38%

Median Effective California Tax Rate

1.21%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Mill Valley, Marin County, California

Zip	10th Percentile	25th Percentile	Median Tax Rate	75th Percentile	90th Percentile
94924	N/A	N/A	N/A	N/A	N/A
94941	1.18%	1.26%	1.41%	1.68%	2.32%
94972	N/A	N/A	N/A	N/A	N/A

Source: Ownwell

Property Tax Assessment Values Across Mill Valley, Marin County, California

When examining property taxes in Mill Valley, CA, 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.

In Marin County, assessment notices are sent in the spring each year. They’ll typically reach your mailbox by the middle of May. 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 Mill Valley. For example, the median home price in Mill Valley is $1,052,672, with tax bills ranging significantly across the county. The zip code 94941 has the highest median home price at $1,055,759.

Property Tax Assessment Values Across Mill Valley, Marin County, California

Source: Ownwell

$403,706

$1,390,435

$2,377,164

Median Mill Valley Market Value

$1,052,672

Median Marin County Market Value

$766,131

Median California Market Value

$378,421

Median United States Market Value

$235,294

Property Tax Assessment Values Across Mill Valley, Marin County, California

Zip	10th Percentile	25th Percentile	Median Home Price	75th Percentile	90th Percentile
94924	N/A	N/A	N/A	N/A	N/A
94941	$221,586	$537,952	$1,055,759	$1,760,816	$2,610,230
94972	N/A	N/A	N/A	N/A	N/A

Source: Ownwell

Property Tax Bills Across Mill Valley, Marin County, California

In Mill Valley, part of Marin County, CA, property tax bills are calculated based on the assessed value of a home, which is determined by the county assessor. The assessed value is typically a percentage of the market value and is subject to annual adjustments. Homeowners in Mill Valley face a median property tax bill of $14,774, significantly higher than the national median of $2,400. This reflects the area's high property values, with a median home price of $1,052,672. Factors influencing the tax bill include the property's location, size, and any applicable exemptions or deductions. For homeowners, these taxes can represent a substantial financial burden, especially when considering the 75th percentile tax bill of $22,287 and the 90th percentile reaching $31,202. Ownwell offers valuable assistance by identifying potential savings through property tax appeals and exemptions. By ensuring homeowners are not over-assessed, Ownwell can help significantly reduce their tax bills, providing financial relief and peace of mind.

Property Tax Bills Across Mill Valley, Marin County, California

Source: Ownwell

$4,940

$17,197

$29,453

Median Mill Valley Tax Bill

$14,747

Median Marin County Tax Bill

$10,481

Median California Tax Bill

$4,683

Median United States Tax Bill

$2,400

Property Tax Bills Across Mill Valley, Marin County, California

Zip	10th Percentile	25th Percentile	Median Tax Bill	75th Percentile	90th Percentile
94924	N/A	N/A	N/A	N/A	N/A
94941	$5,241	$8,690	$14,774	$22,315	$31,237
94972	N/A	N/A	N/A	N/A	N/A

Source: Ownwell

Don't miss the deadline to appeal!

Dates
Property Valuation Date	January 1
Appeal Deadline	November 30
Tax Bill
Issued	October 1
Due Date #1	December 10
Due Date #2	April 10

Links
Marin Tax Assessor
Website	apps.marincounty.org