All questions concerning eligibility, plan coverage and rates should be directed to the Contra Costa County Benefits Office at. The County Employees Retirement Law authorizes implementation of various COLAs to the pension benefit.Not to mention the generous salaries and retirement packages. All Contra Costa County Employees' Retirement Association (CCCERA) employees are designated Disaster Service Workers through state and local law. Contra Costa has issued a curfew order starting tonight, June 2, at pm. The order requires that all people remain in their home between pm - 5 am. Helping People Build Lasting Careers Through Law Enforcement Jobs Largest Law Enforcement Agency in Contra Costa Challenging Career Opportunities Over 1000 Retirement Counselor: This is the entry level classification in the flexibly staffed Counselor series. Publisher of ContraCosta. News and host of several Podcast Shows focusing on Contra Costa County and State of California.