Marin County, California Tax Assessors' Office
Marin County Assessor 3501 Civic Center Drive, Suite 208
San Rafael, California 94903
415-499-6542 (Fax) Where is the Marin County Tax Assessor's Office?
What can the Marin County Assessor's Office do for me?
The Marin County Tax Assessor's Office oversees the appraisal and assessment of properties as well as the billing and collection of property taxes for all taxable real estate located in Marin County.
Contact the assessor's office if you need help with paying your property taxes, applying for a homestead exemption or other tax exemption, reporting upgrades to your home, appealing your property tax assessment, or verifying your property records.
Submitting a Marin County property tax appeal
If you believe that your house has been unfairly overappraised (i.e. appraised at a value higher than the true market value of the property), you can attempt to get your home re-appraised at a lower value by contacting the Assessor's Office to submit a property tax appeal.
You will have to submit a form describing your property and sufficient proof that it is overassessed, including valuations of similar homes nearby as evidence. If your appeal is accepted, your home assessment (and property taxes) will be lowered as a result.
If you would like to appeal your property, call the Marin County Assessor's Office at (415) 499 7215 and ask for a property tax appeal form. Keep in mind that property tax appeals are generally only accepted in a 1-3 month window each year.
For more information and example appeals, see how to appeal your property taxes.
Useful Marin County Facts:
The median home value in Marin County is between $860,363.00 and $875,637.00. Property tax rates are based on property values.
How can I contact Marin County?
You can try contacting the Marin County local government directly with any issues the Assessor's Office can't solve. In many counties, certain property records such as deeds are kept in the county courthouse or county archives instead of at the tax assessors' office.
The county seat for Marin County is located in the County Civic Center in San Rafael, which is where the Marin County Assessors' Office is also located. You can direct your general inquiries to Marin County with the contact info listed below.
Marin County Phone Number
Marin County Fax Number
Marin County County Civic Center Address
County Civic Center
3501 Civic Center Dr
San Rafael, CA 94903-4176
Useful Marin County Links:
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Marin County Government Homepage
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Property Tax Search Tool
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Marin County Search by address or intersection
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Marin County Search by parcel number and view map book index
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GIS Map
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Marin County Assessors' Office Homepage