Weed Abatement complaints can be submitted one of two ways. For the buyer to take on the responsibility, they will need to contact their local Fire District to request an extension to complete the work.Contra Costa County Fire Protection District. Address. 4005 Port Chicago Highway, Suite 250. The Contra Costa County Fire Protection District reminds residents in Contra Costa County that the Weed Abatement Deadline is June 3. Beginning January 1, 2021, sellers will be required to complete a new home hardening disclosure (Fire Hardening and Defensible Space Advisory, FHDS) Recommend Contra Costa County Fire Protection District be reaccredited as an Accredited Local.