Shepherd Services provides consultant services in plumbing, mechanical and sheet metal. We provide consulting and expert witness services for job site investigations, destructive testing, photograph documentation and code/plan  compliance, including mediation, arbitration and trial testimony. In addition to our active C-36 and C-20 State of California Contractors Licenses, our current and in-depth experience in the plumbing and mechanical fields allows us to provide you with expert consulting and analysis.