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Frequently Asked Questions

We hope these Frequently Asked Questions (FAQs) help you find the answer to your question. If you have additional questions, you can call our call center at (833) 829-2626, open Monday through Friday from 8 a.m. - 3:30 p.m.



Click on the category that you are interested in and a list of topics will appear. When you click on a topic, you’ll see a list of specific questions. Click on the question and the answer will appear.


Safety Guidelines

California’s COVID-19 Safety Guidelines (updated 3/14/2023)


Contra Costa County follows the State of California’s COVID-19 guidance. The State requires masks for all people in some indoor settings, including healthcare, long-term care and adult senior care settings, and recommends masking based on CDC's COVID-19 community levels. The State also has isolation and quarantine guidance, a travel advisory for all people coming into California and recommendations for mega-events.


Children & Youth

COVID-19 Vaccination (updated 3/2/2023)

COVID-19 vaccines protect against severe illness, hospitalization and death by teaching our bodies how to fight the virus. Safe, effective, free COVID-19 vaccines and boosters are available to everyone ages 6 months and older. Everyone should stay up-to-date on vaccinations by getting booster shots when eligible.

Getting vaccinated
Health considerations
Booster dose
Vaccine for Kids

Masking (updated 12/12/2022)

Contra Costa County follows the State of California’s masking guidance. Everyone should follow masking recommendations based on COVID-19 community levels. The State requires everyone to wear masks in health care, long-term care and adult senior care settings.

Test results

COVID-19 Testing (updated 3/13/2023)

If you have COVID-19 symptoms, get tested right away and stay home except for medical care.People can use a home test or get tested at a testing site. People with health insurance should go to their healthcare provider or a commerical testing site. People without insurance can walk into the county health centers for COVID-19 services. Visit our Home Tests page for a list of where to get free at-home COVID-19 tests.


If you test positive for COVID-19, treatment may be available. Contact your healthcare provider or call the Contra Costa County Health Advice Nurse at 877-661-6230 right away to talk about treatment, or visit a test to treat location. Don’t delay, even if your symptoms are mild right now – treatment must be started within the first few days to be effective.

Heath Concerns
Who should get tested
Getting tested
Home test
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