The California Immigrant Youth Justice Alliance put together some resources for people without legal immigration status.

The National Day Laborer Organizing Network has also set up a safety net fund for immigrant workers. 

The state of California is providing $50 million in loan guarantees to businesses that don't qualify for the federal aid, including undocumented immigrant communities.

Also note that U.S. Citizenship and Immigration Services has advised that seeking medical treatment or preventive services related to the coronavirus will not negatively affect your ability to get a green card under the public charge rule.