Jon Welner

Jon Welner

Mintz Levin Cohn Ferris Glovsky and Popeo LLP
  • Environmental Law, Business Law
  • California
Claimed Lawyer ProfileSocial Media

Jon Welner is a leading practitioner of environmental law in California. His broad and deep experience over twenty years enables him to solve regulatory problems for clients in virtually every area of environmental practice, including air, water, hazardous materials, hazardous waste, consumer products, traditional and renewable energy, and natural resources. Jon helps clients make sense of the “alphabet soup” of state and federal environmental regulatory agencies in order to achieve their business objectives. He regularly represents clients in court to defend their interests and achieve their goals.

Jon has a robust land use practice and assists clients to successfully navigate the review process to obtain entitlements for development. He has significant experience with coastal development and the permitting of industrial and energy facilities. Jon also represents local governments in high-profile land use matters.

Jon has further expertise on development-related labor issues, including prevailing wage law and project labor agreements (PLAs). He has been recognized by California Lawyer as one of the preeminent prevailing wage practitioners in the state. Jon regularly represents developers and trade associations before the Department of Industrial Relations and has negotiated numerous PLAs.

Jon has a long track record of public service. He is an elected official, serving on Tiburon Town Council, and previously served as a senior official at the California Natural Resources Agency. Jon has served for many years in leadership roles at both the California and San Francisco Bar Associations.

Stanford University
J.D. (1995) | Law
Activities: Associate Editor, Stanford Law Review
Stanford University
A.B. (1989) | Political Science
Honors: Graduated With Distinction; Member, Phi Beta Kappa; John Gardner Fellow; Truman Scholar
Activities: Chair, Stanford in Government
Professional Experience
Mintz Levin Cohn Ferris Glovsky and Popeo LLP
- Current
Town of Tiburon
- Current
Partner and Chair, Prevailing Wage Group
Jeffer Mangels Butler & Mitchell LLP
Downey Brand LLP
Paul Hastings Janofsky & Walker LLP
Speaking Engagements
Panel Discussion, Hydraulic Fracturing, Bar Association of San Francisco
Prevailing Wage Law, Lorman Education Services, Crowne Plaza Sacramento
Prevailing Wage Law in California, Lorman Education Seminars, Santa Rosa, Milpitas and San Francisco, CA
March 7, 2014 - May 21, 2014
Prevailing Wage Emerging Issues, Select Conference on Industry Litigation, Resort at Squaw Creek in Olympic Valley
May 3-4, 2014
Prevailing Wage Law, Lorman Seminar, Sacramento, CA
AV Preeminent Rating
Martindale-Hubbell Peer Review
Superb Rating
The Best Lawyers in America
Best Lawyers
Professional Associations
State Bar of California # 178578
Environmental Law Section, Bar Association of San Francisco
Executive Committee and former Chair
Environmental Law Section, California State Bar
Advisory Board
Osher Marin Jewish Community Center
President, Board of Directors
John Gardner Fellowship Association
Board of Directors
Advisory Board
Jurisdictions Admitted to Practice
  • Rates, Retainers and Additional Information
    Fee information upon request.
Practice Areas
  • Environmental Law
  • Business Law
Additional Practice Areas
  • Development and Construction
  • Land Use
  • Energy
  • Real Estate
  • Sustainability and Global Climate Change
  • Base Realignment and Closures
  • English: Spoken, Written
  • Hebrew: Spoken, Written
Social Media
Websites & Blogs
Contact & Map
44 Montgomery Street
36th Floor
San Francisco, CA 94104
Telephone: (415) 432-6000