If you have a pesticide complaint during office hours of 8:00 - 5:00 Monday - Friday, please call 925-608-6600, you can leave us a message if it is outside these hours. If it is an emergency, call 911.
Businesses that perform pest control for hire including advertising and soliciting in Contra Costa County must possess the proper license from the Structural Pest Control Board or the Department of Pesticide Regulation and be registered with the Contra Costa County Department of Agriculture.
Growers, structural and agricultural pest control businesses, maintenance gardeners and other entities that apply pesticides in agricultural settings must submit pesticide use reports to the Department of Agriculture. Summaries of these pesticide use report submissions are also publicly available to view and download.