David W Esparza
Vacaville, CA 95688
David Esparza
Expert Witness – Hazardous Waste, Asbestos Abatement & Demolition
Expertise
Hazardous Waste Operations • Asbestos Abatement • Demolition
Construction Estimating • Project Risk & Complexity Analysis
Contractor Standard of Care • Regulatory Compliance
________________________________________
Professional Summary
David Esparza has over 45 years of experience owning and operating a full-service hazardous waste, asbestos abatement, and demolition contracting company. He holds a Master’s Degree in Criminal Justice from California State University, Sacramento, providing a strong foundation in regulatory compliance, enforcement standards, and investigative analysis.
Mr. Esparza offers expert analysis on estimating accuracy, project complexity, risk identification, and contractor decision-making. His experience spans both public and private sector projects and includes executive-level oversight of estimating, operations, staffing, and equipment resources.
________________________________________
Areas of Expertise
• Asbestos abatement estimating and work practices
• Hazardous waste handling and compliance
• Demolition means, methods, and sequencing
• Construction estimating methodology
• Bid preparation and scope evaluation
• Project complexity and risk assessment
• Contractor standard of care
• Safety and regulatory compliance (OSHA, Cal/OSHA, EPA)
• Operational decision-making and supervision
________________________________________
Professional Experience
• Owner and operator of a hazardous waste, asbestos abatement, and demolition contracting company for over 45 years
• Direct responsibility for estimating, bidding, and project execution
• Management of in-house estimators, project managers, supervisors, and field crews
• Oversight of specialized equipment, materials, and warehouse operations
• Evaluation of project feasibility, cost exposure, and operational risk
________________________________________
Litigation Experience
• Case review and consultation
• Written expert reports
• Deposition testimony
• Trial testimony
(Available for both plaintiff and defense matters)
________________________________________
Case Focus
Plaintiff Matters
• Underestimated asbestos or demolition projects
• Inadequate work planning or staffing
• Failure to identify project complexity or risk
• Unsafe or non-compliant work practices
• Deviation from industry standard of care
Defense Matters
• Reasonableness of contractor estimates
• Industry-standard practices and decision-making
• Unforeseen site conditions
• Scope changes and responsibility allocation
• Regulatory compliance assessments
________________________________________
Education
• M.S., Criminal Justice
California State University, Sacramento
________________________________________
Fee Schedule
• Case Review / Consulting: $350–$500/hr
• Expert Reports: $400–$600/hr
• Deposition: $600–$750/hr
• Trial Testimony: $750–$1,000+/hr
• Retainer Required
________________________________________
Geographic Availability
California and Nationwide (by arrangement)
________________________________________
Why Attorneys Retain Mr. Esparza
• 45+ years of real-world ownership experience
• Deep estimating and operational expertise
• High-risk environmental project background
• Clear, practical explanations for juries and courts
Contact
David@cal-inc .com
707 689 7562
- Above Ground Storage Tank (AST)
- Asbestos
- Environmental
- Environmental Engineering
- Fire
- Hazardous Materials
- Hazardous Waste
- Lead Poisoning
- Paint & Coatings
- Q: Please list your professional accreditations, degrees, licenses, and certificates granted:
- A: 45 Years President of CAL INC a demolition and environmental remediation company. Master Degree Criminal Justice
- Q: Please list any teaching or speaking experience you have had, including subject matter:
- A: Founded Environmental Training Institute in 1979 called CAL INC Training. Specializing in asbestos, lead paint, mold, hazardous materials and general construction safety.
- Q: Have any of your accreditations ever been investigated, suspended or removed? (if yes, explain)
- A: no
- Q: On how many occasions have you been retained as an expert?
- A: Have acted as consultant to private contractors in the field offering expertise in management of environmental and construction issues.
- Q: For what area(s) of expertise have you been retained as an expert?
- A: Environmental and Asbestos
- Q: On how many occasions have you had your deposition taken?
- A: 5
- Q: When was the last time you had your deposition taken?
- A: 2024
- Q: What services do you offer? (E.g.: consulting, testing, reports, site inspections etc.)
- A: Consulting, reports, audits, compliance.
- Q: What is your hourly rate to consult with an attorney?
- A: 300
- Q: What is your hourly rate to review documents?
- A: 250
- Q: What is your hourly rate to provide deposition testimony?
- A: 300
- Q: What is your hourly rate to provide testimony at trial?
- A: 350
Available Upon Request