Barry Taheri Expert Witness

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Specialties & Experience of this Expert Witness

General Specialties:

Construction Defects and Construction Engineering

Specialty Focus:

Waterproofing, Building Envelope, Windows and Doors, Leak Investigation, building Enclosure, Below Grade, Above Grade, Roof, Planters, Construction Standard Of Care, Water Damage

Years in Practice:


Number of Times Deposed/Testified in Last 4 Yrs:


Additional Information

Barry Taheri is founder and principal of California Consultants and one of the most sought-after Expert Witnesses in Building Science, Building Enclosure and Waterproofing Systems. Your case will benefit from the experience and knowledge that come from Barry Taheri and California Consultants critical role in the success of over 80 Litigation Support Projects, 100 New Construction Projects and 200 Forensic Projects. Barry maintains active general contractor licenses in multiple states, in addition to several system and manufacturer certifications. Over the past 24 years, he has completed over 5,000 forensic projects and is a Designated industry expert for the California Contractors State License Bureau (CSLB) Qualifications, experience and accreditations are as follows; Firm-California Consultants: • Designated industry expert for the state of California (CSLB) • Over 25 years’ experience in Forensics, Weatherization, Field Testing. • Building Envelope member, of the Los Angeles Chapter of the BEC. • DuPont Envelope Certification number: DWSRC 1082 • State of California Contractor’s License: B 904491 • Certified Water Testing with equipment calibrated annually. • Certified in Thermographic imaging. • Technical Writer for Code Programs (Lessons from prior building cycles) • Consultant and Industry Expert - 30 years of Experience in Commercial and Residential Construction. • Experience in Forensic Investigation and Analysis of Construction Defects: Site Inspections, Destructive Testing, Issues Analysis and Cost of Repair. • Litigation Case Review: Contracts, Codes, Standard of Care. • Exterior Envelope Failure Analysis: Water Intrusion at Roofing, Windows, Waterproof Decks, Exterior Finishes, Drainage Plane, Framing, Finish Carpentry and Below Grade Waterproofing. • ASTM & AAMA Window & Door Leak Analysis with respect to Product or Installation Failures. • Technical presenter to the Stucco Manufacturer’s Association (SMA) • Technical Advisor and Forensic Investigator to the leading environmental engineering firm: Terra Petra • ASTM Member & Official Voting Committee Member of E06, Performance of Buildings Education and Certification: Accredited Architectural School Waterproofing Consultant-(USC) State of California License, B 904491 DuPont Envelope Certification number; DWSRC 1082 Solving Mold Training Certificate Solving Moisture Training Certificate State of CA Weatherization Training Certificate State of CA Certification CAS, (Combustible Appliance Safety) State of CA Certification Shell and Sealing (Envelope/Enclosure/HVAC) State of CA Certification Blower Door Testing EPA Lead Safe remodeler Hinkle Corp approved CIM Industries approved Tremco approved Government designated industry expert (CA) IIBEC Certificate in Stucco Detailing for Buildings with Unique Geometry