Structural Engineer Expert Witness Services

Structural disputes are usually fought over allocation, not existence. Everyone agrees the balcony failed; the contest is among the framer, the waterproofing subcontractor, the engineer of record, the inspector, and the owner who deferred maintenance for eleven years. An engineer who identifies the initiating defect and traces the sequence from there gives each defendant a defensible position on comparative fault, which is what actually drives mediation numbers in multi-party defect litigation.

The second decisive contribution is repair scope. Defect claims are priced by the cost of cure, and the range between the plaintiff's demolition-and-rebuild estimate and the defense's targeted-repair proposal is often the entire case. That range is an engineering question before it is a cost question, because it turns on whether the observed condition is confined to identifiable locations or is systemic to the construction method used across the building.

Testimony also disposes of theories that cannot survive arithmetic. A claim that a member failed under design load is testable: the engineer computes the demand, computes the capacity under the governing code, and reports the ratio. When the numbers show the element was adequate as designed and the failure originated in decay or an unpermitted later modification, the causation theory changes — better learned during screening than at deposition.

Themis Expert Witness operates as a managed network. Structural testimony is provided by independently credentialed engineers — licensed civil or structural engineers selected for the specific failure mode, structure type, and jurisdiction in dispute. Dr. Alban personally handles emergency medicine and medical causation. His role on a structural matter is screening, vetting, and management, plus a parallel medical opinion where a collapse or fall has produced contested injuries.

West Coast structural litigation has features counsel elsewhere rarely encounters. Seismic obligation is the largest. Los Angeles, San Francisco, and other California cities have adopted mandatory retrofit ordinances covering soft-story wood-frame and, in Los Angeles, non-ductile concrete buildings, and those programs generate their own disputes over whether a completed retrofit met the ordinance and the governing design standard. In Washington and Oregon, unreinforced masonry remains the dominant seismic concern, and expectations in both states are shaped by Cascadia subduction zone ground-motion scenarios that differ materially from the shorter, sharper events California codes historically anticipated.

The exterior elevated element statutes are the most active current source of California claims. After the 2015 Berkeley balcony collapse, the Legislature enacted SB 721, addressing inspection of load-bearing exterior elevated elements at multifamily buildings, and SB 326, addressing a parallel obligation for common interest developments. Both regimes address recurring re-inspection, and both have been amended since enactment — AB 2579 among them. This site does not state the inspection dates those statutes set or when any of them fall for a given property; counsel must confirm the current statutory text and its application. For expert work, the significance is evidentiary: these regimes generate a documentary inspection record that becomes central to notice and duty questions. Residential defect claims also run through the SB 800 Right to Repair Act prelitigation notice and repair process, and Code of Civil Procedure section 337.15 is the provision addressing repose for latent construction defects — a matter for counsel's analysis, not the engineer's.

The governing admissibility standard shapes the report from the outset. California trial courts apply the gatekeeping analysis of Sargon Enterprises v. University of Southern California together with Evidence Code sections 801 and 802, which let the court examine the matter an opinion rests on; the Kelly standard applies separately to novel scientific method. Washington applies Frye general acceptance to novel scientific evidence alongside ER 702, and Oregon uses the State v. Brown and State v. O'Key framework under OEC 702. Federal matters in the Ninth Circuit are governed by Rule 702 as amended in December 2023, which requires the proponent to establish admissibility by a preponderance. Engagements are staffed with a stated scope, a written fee schedule, and a candid assessment of what the evidence will support, with testimony available in state and federal courts across all three states, in person or by remote deposition.

Practice notes for each jurisdiction are set out on the California, Washington, and Oregon pages, and the engagement process explains what happens after you make contact.