Contra Costa Labor Council Championing policies that improve the lives of workers and their families and protecting the rights of workers to collectively bargain and organize. Newsletter Sign Up Events: Sign Up! Join the Contra Costa Labor Council for Yes on Prop 50 campaign activities. We are canvassing every Saturday and statewide phonebanks have begun! Follow Us On Instagram: View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize View fullsize