Sonoma, California

County Seat: Santa Rosa · Population: 488,863

Find contact information for Sonoma government offices in California. The county seat is Santa Rosa. Below you'll find phone numbers, addresses, and websites for the assessor, treasurer, recorder, clerk, and other county departments.

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Tax Due Dates

Property tax deadlines & email reminders for Sonoma

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Local Services

Title abstractors, process servers & more for Sonoma

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Frequently Asked Questions

How do I contact the Sonoma Assessor?

The Sonoma Assessor's office handles property valuations, assessments, and exemptions. Find their phone number and address in the Property Records section above.

Where do I pay property taxes in Sonoma?

Property tax payments in Sonoma are handled by the Treasurer's office. Check the listing above for contact information, mailing address, and online payment options.

How do I get a copy of a deed in Sonoma?

Property deeds, liens, and recorded documents are maintained by the Sonoma Recorder's office. You can typically request copies in person, by mail, or through their online portal if available.

Where do I get a marriage license in Sonoma?

Marriage licenses in Sonoma are issued by the County Clerk's office. Contact them for requirements, fees, and appointment availability.

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