John C. Petkovich

John C. Petkovich is a construction expert specializing in plumbing, excavating, and complex mechanical systems litigation. With a career spanning hands-on construction work, leadership roles, and strategic innovation, he brings a practical and entrepreneurial perspective to his litigation work. His work centers on investigating construction defects, assessing compliance with building codes, and evaluating whether industry standards were met in complex construction projects.

Mr. Petkovich has been retained in numerous expert witness and consulting engagements across Arizona and Colorado, involving residential, commercial, and service-related disputes. His extensive experience in the construction industry, along with his contractor licenses in AZ and ID, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of responsibility in disputes involving high-pressure systems, underground infrastructure, and advanced plumbing installations.