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.

New Date and Location for Rescheduled Fall Plastic Recycling Day

The Fall Plastic Recycling Day has been rescheduled for Tuesday, November 19, 2019 from 9:00 am to 3:00 pm at Wilbur-Ellis Receiving Yard at 160 Grant Avenue in Healdsburg (access off of Healdsburg Avenue).

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Sonoma County Planning Commission Public Hearing to Consider Ordinance Regulating Industrial Hemp Cultivation on November 21, 2019

The County of Sonoma is proposing amendments to Chapter 26 (Zoning Code) and Chapter 37 (Industrial Hemp Ordinance) in reference to industrial hemp.  The Sonoma County Planning Commission will hold a public hearing to review proposed zoning regulations and make its recommendation to the Board of Supervisors.  The public hearing will be held on November 21, 2019 at 1:20 pm at the Permit Sonoma Hearing Room, 2550 Ventura Avenue, Santa Rosa, CA 95403.

Industrial Hemp Ordinance Staff Report (PDF: 1.12 MB)

Hemp Cultivation Legal Notice (PDF: 94 kB)

Industrial Hemp Fact Sheet (PDF: 368 kB)

UCCE Hemp Growers Workshop

Planning Commission Meeting

Public Review Draft version of VESCO Best Management Practices for Agriculture Erosion and Sediment Control Manual

This downloadable PDF is of the DRAFT version of the BMP manual used in the VESCO Program as a regulatory guide. The updated manual includes guidelines for Geologic reports, geotech and soils reports, drainage reports, biological reports including wetland and focused species reports, standard plan notes and glossary. This document is currently under review and has not yet been adopted by the Agricultural Commissioner.

Best Management Practices Manual (PDF: 3.79 MB)


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 12:00 PM - 1:00 PM

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

Sonoma County Cannabis Program

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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.

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