Senior Counsel

Mark Johnson has over thirty years of experience in construction and environmental litigation matters. He has first chair experience in over 25 jury trials, bench trials and complex arbitrations concerning construction, environmental, land use, eminent domain, landlord-tenant, real estate and toxic tort matters. Mark’s construction law experience includes representing owners, general contractors, subcontractors and design professionals in private and public works construction litigation involving extra work claims, changed condition claims, delay claims, loss of productivity claims, defective work claims, products liability claims regarding defects in construction materials and California contractor’s licensing laws. Mark is a frequent author and speaker on topics regarding the construction industry.

Mark’s environmental experience includes litigation concerning CERCLA, Clean Air Act, Clean Water Act, CEQA, RCRA, California Coastal Act, Porter Cologne Water Quality Act, Carpenter-Presley Hazardous Substances Account Act, Proposition 65; toxic torts, concerning exposure to a variety of substances including asbestos, benzene, various petroleum products and hazardous substances; petroleum products and hazardous substance contamination of soil and groundwater; and misrepresentation of environmental conditions in real property transactions.

Mark also represents creditors in Chapter 7 and Chapter 11 bankruptcy proceedings, including creditors asserting environmental damage claims.

Mark is Martindale-Hubbell® AV Preeminent® judicial and peer review rated and was named JD Supra®, Readers’ Choice, Top Construction Author (2017). Prior to becoming a lawyer, Mark worked as an engineer for the California Division of Oil and Gas and Geothermal Resources.

Practice Areas
  • Business Litigation
  • Construction Litigation
  • Real Estate Law
  • Environment
  • Bankruptcy
Loyola Law School (J.D., 1987)
University of Southern California (B.S. Petroleum Engineering, 1984)
California, 1988
United States District Court, Central District of California
United States District Court, Central District of California
United States District Court, Eastern District of California
United States District Court, Northern District of California
United States District Court, Southern District of California
United States Circuit Court, Ninth Circuit
State Bar of California
Los Angeles County Bar Association

Reported Cases
Shamsianv. Atlantic Richfield Company (2003) 107 Cal. App. 4th 967; establishing thestatute of limitations for claims under Proposition 65