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COVID-19 Updates: Get the latest public information related to coronavirus disease 2019 (COVID-19) at

Due to significant public health concerns from the COVID-19 coronavirus and the need to meet social distancing requirements, the Department of Agriculture/Weights and Measures' offices are currently operating under modified schedules. 

All three of our offices are staffed and have partially re-opened to serve our customers. However, customers are strongly encouraged to call ahead and make appointments for any necessary services. 

Please see the July 2020 Department of Agriculture / Weights and Measures Update for more information on current office hours, or contact us at the Department's main phone line or email.

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Pesticide Use Enforcement

Program Mission Statement:

To protect people, the environment and the food supply by ensuring the safe use of pesticides in San Luis Obispo County.

The Department of Agriculture/Weights and Measures conducts a comprehensive program in pesticide use enforcement to protect the health and safety of workers, the public, and the environment. Pesticides are registered and regulated by federal and state government codes, with the County Agricultural Commissioner being the primary local regulator.

Pesticide Use Enforcement

  • Promotes food safety
  • Protect agricultural workers
  • Protects the environment
  • Permits and monitors the safe use of pesticides
  • Collects and reviews data
  • Investigates misuse and accidents
  • Enforces laws and regulations
  • Educates and assists agriculturalists, homeowners, and maintenance gardeners

Related Services

Pesticide Use Registrations
Employee Pesticide Training and Safety
Pesticide Use Complaints
Pesticide Use Reporting
Private Applicator Certificate Exams
Restricted Materials Permit
Pesticide Use
Pesticide Container Inspection