Department of Agriculture /
Weights & Measures

The Department of Agriculture/Weights and 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.  To serve the public's needs, two small satellite offices with limited public hours are operated in the cities of Sonoma and Petaluma.

Agriculture/Weights & Measures Office is Open

The Department of Agriculture/Weights & Measures office is open to the public with limited hours of 8:00 am to 12:00 pm Monday through Friday.  In accordance with the Sonoma County Health Officer’s Orders, mitigation measures have been implemented to protect the public and our staff.  Members of the public and staff are subject to the mitigation measures currently in place, including face covering requirement, health screening, social/physical distancing, and occupancy limits.  Our Sonoma office hours are by appointment only, and our Petaluma office is temporarily closed.

To access our services anytime, please 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.  

Thank you for your patience and understanding while we work together to keep our community safe.

  • Published on April 23, 2021

    The Agricultural Commissioner’s Office surveys producers when there are significant impacts to agricultural production due to weather.  Based on survey results, a disaster can be declared and various assistance programs become available through USDA. 

  • Published on October 9, 2020

    It is with great sadness to say that due to COVID-19 and the restrictions put in place by the CDC, we will NOT be able to host the 24thAnnual Grower Workshop December 2020.

  • More News


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.

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Contact Information

Department of Agriculture / Weights & Measures
Business Hours
Monday – Friday
8:00 AM – 12:00 PM
Office hours are temporarily reduced due to the Public Health Order.

Main Office
133 Aviation Boulevard
Suite 110
Santa Rosa, CA 95403

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