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.

  • Published on October 20, 2021
    The Sonoma County Department of Agriculture/Weights & Measures (AWM) has decided not  to host an in-person Grower Workshop again this December.  After evaluating other workshop options, we have decided to collaborate with the UC Cooperative Extension in the UCCE North Coast Virtual IPM Seminar in early December.  This virtual two half-day workshop is scheduled for December 1 and 2, 2021 from 8:00 am to 12:15 pm each day.
  • Published on September 27, 2021
    The Department of Agriculture/Weights & Measures is holding the annual Plastic Recycling Day on Monday, October 25th from 9:00 am to 3:00 pm.  The event is being held at:  160 Grant Avenue, Healdsburg, CA 95448.
  • 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 – 4:00 PM
Closed from noon to 1:00 PM for lunch.

Contact us by Phone
Main Office
133 Aviation Boulevard
Suite 110
Santa Rosa, CA 95403

Remote Office Locations

Sonoma Office
19722 Eighth Street East
Sonoma, CA 95476
Google Maps™ Directions

Sonoma office hours:
Tuesday, Thursday
1:30 PM - 2:30 PM

Petaluma Office
11 English Street
Room 19
Petaluma, CA 95452
Google Maps™ Directions

Petaluma office hours:
By appointment only

Industrial Hemp Program

The Sonoma County Industrial Hemp Program was made possible through the promulgation of the Sonoma County Industrial Hemp Ordinance, adopted by the Board of Supervisors on January 6, 2020.

Industrial Hemp

Sonoma County Cannabis Program

Learn More

Sonoma County Cannabis Program

Permits for cultivation and distribution, taxes, policy, personal use, and more.


Transgenic Contamination Prevention (GMO)

Sonoma County Hills

The purpose is to protect native plants, trees, and animals from transgenic contamination

Quick Links

Certified Farmers' Markets in Sonoma County

Produce Gardener

Locally grown, fresh fruit and vegetables benefit the consumer & the environment

SB 272

Senate Bill 272 requires local agencies publish a list of systems that serve as original sources of data within an agency.

Read more