An incomplete application packet may disqualify an applicant. To assist Contra Costa County in its commitment to Equal Employment Opportunity, applicants are asked to voluntarily provide the following information.Mailing Address if different from present address: No. Street. City. State. Zip. List experience that relates to the qualifications as required on the job posting. This template allows you to apply for multiple positions without having to create new applications. All Contra Costa PDP participants must complete and submit the W9 form to receive a stipend.