Agricultural Division

The Agricultural Division acts under the jurisdiction and direction of the California Department of Food and Agriculture (CDFA), and the California Department of Pesticide Regulation (DPR), and works in cooperation with various federal, state, regional and local agencies. The Agricultural Commissioner enforces the laws and regulations of the California Food and Agriculture Code and the California Code of Regulations while serving at the discretion of the County Board of Supervisors and CDFA Secretary of Agriculture. Sonoma County Agricultural Commissioner’s office employs a staff of twenty-three and has its main office in Santa Rosa with satellite offices in Sonoma and Petaluma.

Functions and Activities

The primary goal and purpose of all County Agricultural Commissioners statewide is “To Promote and To Protect” agriculture and to protect the public health, safety and welfare. Agriculture is one of the main industries in Sonoma County and it provides a very significant base to the county's economy. The department accomplishes the promotion and protection of agriculture through educational outreach and enforcement.

Contact Information

Department of Agriculture / Weights & Measures
Business Hours
Monday – Friday
8:00 AM – 4:00 PM

Closed 12:00 PM - 1:00 PM

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

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

Certified Producer Resources

Certified Producer Certificate

Produce Gardener

The Sonoma County Farmers’ Markets were established to provide raw agricultural products directly to the consumer throughout the county.