Sonoma County is committed to all who are in need and are eligible for services, regardless of immigration status.

Sonoma County is a large, urban-rural county encompassing 1,575 square miles. The county’s total population is currently estimated at 487,011. According to projections from the California Department of Finance, county population is projected to grow by 8.3% to 546,204 in 2020.

Sonoma County 211. Free service for information about health, human services and emergency resources. Available 24/7 in 150 languages.

The County of Sonoma’s Information Systems Department originally began as part of the Auditor-Controller’s Office in 1962. Called the Data Processing Center, the initial focus of the department was on automating financial systems related to payroll, accounting and taxes.

The Sonoma County Auditor-Controller-Treasurer-Tax Collector is pleased to provide you with the capability to obtain property tax information on-line. You may view your tax bill and, if desired, make your property tax payment using a credit card, debit card, or E-Check electronic debit from your checking or savings account.

With over 30 years in public service, Mr. Roeser brings long-tenured leadership, experience, stability, and knowledge to the oversight of County finances and the Auditor-Controller-Treasurer-Tax Collector's office.

Employee Resources serves as a gateway for County of Sonoma employees to access human resources information, commonly used online tools and other useful and current information.

Email: [email protected]; Phone: (707) 565-1900; Address: Permit Sonoma 2550 Ventura Avenue Santa Rosa, CA 95403 1

Nov 5, 2024 · Deva Marie Proto, Sonoma County Clerk-Recorder-Assessor-Registrar of Voters, certified the election results for the November 5, 2024, General Election, on Tuesday, December 3, 2024, at approximately 1:30 p.m. View final election results online; Download official Statement of the Votes Cast: Results by Precinct: PDF (23.1 MB) / XLSX (2.8 MB)

Provided by the Permit and Resource Management Department. Search an interactive map with a large choice of geographic, detailed and general map data for the unincorporated areas of Sonoma County.