Use our Form Filler to fill out your form and print it. You may complete an on-line application at the Contra Costa Human Resources Department at 651 Pine St., 2nd Floor, Martinez, CA 94553.Applicant Contact Information. Payment must be cash or check only. Please call (510) 620-6786 to make your appointment. Applications must be completed before your appointment time or the appointment will be rescheduled. After you create an account, you will be automatically directed to complete the CCC International Student Application. Application Steps: STEP 1: Complete this International Student Application (pages 2-5). STEP 2: Attach Proof of English Proficiency (see page 3). Inmates are required to submit to search at the request of a deputy.