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Agricultural Commissioner's Office

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.

 The Agricultural Divison 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.

Weights and Measures is mandated by state law to protect the interests of the buyer and seller to ensure honesty and integrity of everyday business transactions. This protection is accomplished through our continuous and systematic inspection of all equipment that weighs or measures a commodity that is sold. Every transaction involving the exchange of goods, property, and service is affected in a very vital way by some form of weights and measures.

Drought in Sonoma County

Learn about the drought, its affect on agriculture, and strategies for dealing with drought in Sonoma County. More Information
  • November 4, 2014
    Please mark December 4, 2014, on your calendar for our Annual Grower Workshop. The workshop will be held at the Santa Rosa Veterans Memorial Building, with registration beginning at 8:00 am and the program starting at 9:00 am.
  • September 16, 2014

    On August 27th, USDA announced the eradication of the European Grapevine Moth (Lobesia botrana, EGVM) in Solano and portions of Sonoma and Napa counties.

    The action is the result of significant progress to remove the pest through regulatory and eradication efforts, as well as the vigilance of growers and local communities.

  • More News
  • February 14, 2014
    Drought is a critical issue for all of Sonoma County growers and ranchers. As the rainy season comes to an end, the need to manage available water, existing forage, and crops becomes increasingly important. Producers and ranchers should consider all possible management practices to maintain crop and forage growth while maximizing water efficiency.
  • January 24, 2014
    Tony Linegar, Sonoma County Agricultural Commissioner, will discuss the drought’s impact on agricultural sectors as well as renewable energy developments at the Sonoma Renewable Strategies Conference taking place at Santa Rosa Junior College, Bertolini Hall, on Friday, January 24 th. Registration is from 7:30am.The conference begins at 8:30am and will conclude at 2:30pm.
  • More Press Releases


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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