how to report businesses

Report any safety issue and/or business operating in violation of state and county COVID-19 mandates directly to the County of Los Angeles Public Health Department by phone, email or online for investigation.

  • Phone: (888) 700-9995 (M-F 8:00 a.m.-5:00 p.m.)
  • Email: ehmail@ph.lacounty.gov
  • Online: Submit complaint form


Additional Coronavirus Related Information

  • www.diamondbarca.gov/COVID19
  • https://covid19.lacounty.gov
  • http://publichealth.lacounty.gov/
  • https://covid19.ca.gov

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City of Diamond Bar

21810 Copley Drive | Diamond Bar, Ca 91765
(909) 839-7000 | info@diamondbarca.gov


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21810 Copley Drive, Diamond Bar, CA 91765

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