Skip to main content
Nossaman LLP

Willis Hon


T 415.438.7277
F 415.398.2438
50 California Street, 34th Floor
San Francisco, CA 94111

Willis Hon is a member of Nossaman's Water Practice Group and represents investor-owned utilities that provide, or are seeking to provide, public utility service in proceedings before the California Public Utilities Commission (CPUC).  He has represented investor-owned water utility companies, industry associations, and regional transportation agencies in ratesetting, adjudicatory, and rulemaking proceedings before the CPUC.  Beyond the CPUC experience, Mr. Hon has experience assisting clients in defending against Clean Water Act citizen suits in federal court and local air quality enforcement actions in administrative proceedings.  In addition, Mr. Hon has also provided legal counseling and advice to local and regional transportation agencies on a broad range of transportation, governance and public agency compliance issues.

Prior to joining Nossaman, Mr. Hon was an associate at a boutique environmental law firm in New York City, where he worked on federal and state environmental litigation and advised clients in regulatory investigations.  

Mr. Hon has also spent time as a judicial extern to the Honorable Dora L. Irizarry and as a law clerk with the United States Department of Justice, Environment and Natural Resources Division, Law and Policy Section.  

Representative Work

  • California Water Association. Represents the statewide association of investor-owned water utilities regulated by the CPUC and the SWRCB in proceedings relevant to records confidentiality and other policy matters impacting the delivery of safe, reliable water service at reasonable rates.  Represents member companies in adjudicatory and ratesetting matters, including general rate cases and cost of capital proceedings.
  • San Diego Association of Governments (SANDAG). Represented SANDAG in rail crossing authorization proceedings before the CPUC in connection with SANDAG’s Mid-Coast Trolley Extension project to bring Blue Line Trolley service from Santa Fe Depot in Downtown San Diego to the University City community.
  • San Francisco County Transportation Authority. Member of team that serves as General Counsel to the Authority, which administers and oversees the delivery of the local transportation sales tax program to fund major transportation infrastructure projects.
  • Manufacturing Company. Member of team that represented client in an Order of Abatement hearing before the South Coast Air Quality Management District regarding air emissions and in a Clean Water Act citizen suit relating to allegations of stormwater pollution.
Willis  Hon
Willis  Hon



J.D., Columbia University School of Law, 2014

B.S., University of California, Berkeley, 2010, with honors



New York

Professional Affiliations

Asian American Bar Association

California Minority Counsel Program

Conference of California Public Utility Counsel

Bar Association of San Francisco

  • Professionals
  • Practices
  • Success Stories
  • News
  • Events
  • Resources
  • Firm Pages