This document is the official Employment Application for Contra Costa County. It includes required personal, educational, and employment information.Creating a Google Forms job application. What is the Close Date on a job posting? How do I complete an online application? You may complete an on-line application at the Contra Costa Human Resources Department at 651 Pine St., 2nd Floor, Martinez, CA 94553. To create a job application form, open Google Forms and click "Start a new form" to start with a blank page, or you can choose a readymade template. List experience that relates to the qualifications as required on the job announcement. Streamline your job application process with 7 free Google Docs templates. Create professional resumes, cover letters, and more with ease.