MILL VALLEY Sales Tax Overview
As of 2026, MILL VALLEY, California has an average combined sales tax rate of 9.25%, with rates varying across 2 zip codes from 9.25% to 9.25%. This rate includes the California state tax of 6% plus applicable county and local taxes.
Different areas within MILL VALLEY may have different rates due to special tax districts, transit authority taxes, or other local levies. It is important to use your exact zip code when calculating taxes for purchases, business filings, or compliance purposes.
MILL VALLEY Tax Examples
* Based on average rate of 9.25%. Verify with your exact zip code.
MILL VALLEY Zip Codes & Tax Rates
Frequently Asked Questions
What is the sales tax rate in MILL VALLEY, CA?
The average sales tax rate in MILL VALLEY, CA is 9.25% as of 2026. This includes the 6% California state tax plus any county and city taxes.
How many zip codes are in MILL VALLEY, CA?
MILL VALLEY, CA has 2 zip codes in our database: 94941, 94942.
How much is sales tax on a $100 purchase in MILL VALLEY?
On a $100 purchase in MILL VALLEY, CA you would pay approximately $9.25 in sales tax at the average rate of 9.25%, for a total of $109.25.
Is MILL VALLEY's sales tax rate higher than the California average?
Use our calculator to compare MILL VALLEY's rate of 9.25% against other cities in California. Visit the California state page for the statewide average.