You may complete an on-line application at the Contra Costa Human Resources Department at 651 Pine St., 2nd Floor, Martinez, CA 94553. Online Application Guide.Need help completing the application form? Easy-Fill: Fill out the form online, then print and mail it to CSLB. PDF: Print a blank form, then fill it out and mail it to CSLB. Creating a Google Forms job application. An incomplete application packet may disqualify an applicant. Please complete the linked interest form. Complete user guide for the MXCW system. Includes installation instructions, specifications, best practices, and troubleshooting.