If anyone want to call in a complaint about COVID policy violations in Los Angeles County, here is the number:

Customer Call Center: (888) 700-9995
(M-F 8:00 a.m. - 5:00 p.m.)

Here is the LA County Health Deparments online COVID violation reporting web-site:
https://ehservices.publichealth.lacounty.gov/servlet/guest?service=0&formId=4&saveAction=5

Here are the district offices for the public health department Environmental Health officers who go out and bother people who don't mask while at work:
http://publichealth.lacounty.gov/eh/about/difstrict-offices.htm