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Department of Agriculture, Weights & Measures

Agriculture / Weights & Measures

The Department of Agriculture/Weights & Measures enforces the laws and regulations of the California Food and Agriculture Code, the California Business & Professions Code and the California Code of Regulations while serving at the discretion of the County Board of Supervisors and CDFA's Secretary of Food & Agriculture. Sonoma County's Department of Agriculture/Weights & Measures employs a staff of thirty-nine people and has its main office in Santa Rosa, with a small satellite office with limited public hours in the city of Sonoma.


  • A thriving agricultural industry, healthy community, environment, and economy


  • To promote and protect agriculture, the health and safety of our community, environment and the economy through education and the enforcement of laws and regulations.

The Department of Agriculture/Weights & Measures office is open to the public beginning.  Normal business hours are from 8:00 am to 12:00 pm and 1:00 pm to 4:00 pm Monday through Friday. 

The Sonoma office hours are Wednesdays from 11:00 am – 2:00 pm or by appointment.

To access our services, you may call (707) 565-2371 or send an email to  Documents may also be placed in the locked drop box outside the front door of our main office.  Voicemail, email, drop box, and mail are checked regularly each business day.  

Upcoming Events

May 2024
9:00 a.m. - 3:00 p.m.

Plastic Recycling Event

May 2024
7:00 - 8:30 p.m.

Fish and Wildlife Commission Meeting

Jun 2024
7:00 - 8:30 p.m.

Fish and Wildlife Commission Meeting

Jul 2024
7:00 - 8:30 p.m.

Fish and Wildlife Commission Meeting