Company Overview
Founded in 1983, Coe & Company is a trusted leader in forensic construction consulting, defect investigation, and expert witness services throughout California and the Western United States. Our mission is simple — to uncover the facts, clarify complex technical issues, and deliver independent, defensible opinions that stand up in court.
Over the last four decades, we have supported hundreds of construction-related disputes, from residential developments and commercial properties to large-scale infrastructure projects. Whether retained by law firms, property owners, contractors, insurance carriers, or public agencies, Coe & Company provides the technical insight needed to resolve disputes and support successful outcomes.
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Projects Include

San Francisco International Airport
Coe & Company provided forensic consulting and expert analysis concerning the mechanical, electrical, plumbing (MEP), and HVAC control systems installed during large-scale modernization projects at SFO. Lyle Coe performed detailed inspections, reviewed commissioning data, and evaluated design-build documentation to identify system performance issues and contract deviations. His independent findings helped clarify technical responsibility among contractors and supported multi-million-dollar dispute resolutions.
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Municipal Facilities and Infrastructures
Retained to analyze public-facility mechanical and electrical systems across multiple City of Oakland buildings. Mr. Coe conducted on-site inspections, reviewed as-built documentation, and assessed compliance with code and contract requirements. His technical reports addressed root causes of equipment failure, deferred maintenance, and design inconsistencies, providing the factual foundation for equitable resolution between city agencies and contractors.

AT&T Telecommunications Facilities
Coe & Company evaluated environmental control, electrical, and power-redundancy systems within AT&T’s data and telecom infrastructure. Mr. Coe examined air-handling units, backup power integration, and control-logic programming to determine causes of underperformance and downtime. His findings supported litigation and repair recommendations that improved reliability in mission-critical facilities.

University of California Projects
Served as forensic consultant for multiple University of California campus developments, including laboratories, classrooms, and housing facilities. Work included investigation of building-envelope failures, plumbing system defects, and HVAC control-system coordination. Mr. Coe’s evaluations compared design intent to field conditions and quantified associated repair costs, forming part of expert reports used in claims and mediation.

National Laboratory Facilities
Provided consulting services to federal and research laboratory clients addressing MEP and control-system disputes in secure environments. Mr. Coe analyzed documentation and performed system evaluations to determine scope, cost, and responsibility for performance deficiencies. His analysis supported negotiation of complex change-order and contract-performance issues valued in the multi-million-dollar range.

Commercial and Multi-Family Developments
Coe & Company has completed numerous assignments involving residential, mixed-use, and commercial structures. Responsibilities included intrusive inspections, roofing and waterproofing analysis, mechanical and electrical defect evaluation, and repair-cost estimating. Mr. Coe’s reports were utilized by property owners, developers, insurers, and attorneys in both plaintiff and defense litigation, supporting efficient case resolution.
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Meet The Founder - Lyle Coe
Lyle Coe is a nationally recognized forensic construction consultant, expert witness, and mechanical-electrical-plumbing (MEP) specialist with more than 50 years of hands-on experience in the construction industry. Over the course of his career, he has played a pivotal role in hundreds of complex construction defect cases, providing technical analysis, independent opinions, and expert testimony in state and federal courts across California and the Western United States.
Mr. Coe’s expertise spans every phase of the construction process — from field work and systems design to contract administration, project management, and forensic investigation. His extensive background includes direct involvement in the resolution of multi-million-dollar disputes related to mechanical systems, electrical infrastructure, plumbing installations, building envelopes, control systems, waterproofing, roofing, and more. He has served as a trusted technical authority for high-profile projects involving San Francisco International Airport, City of Oakland, AT&T, University of California, and multiple national corporations.
Recognized as one of the leading MEP and HVAC controls experts in the United States, Mr. Coe brings a rare combination of technical depth, field experience, and litigation acumen to every engagement. His calm demeanor and confidence is known for being detailed in forensic analyses and easily understood by judges and juries alike, making him a valuable asset to legal teams navigating complex construction disputes.
Beyond his casework, Lyle Coe is a respected leader and educator in the forensic consulting community. He has served as National and Chapter President of the Forensic Expert Witness Association (FEWA) and Western Construction Consultants Association (Westcon). He frequently collaborates with attorneys, engineers, and fellow experts to deliver continuing education programs focused on construction litigation, expert testimony, and technical best practices.
Driven by a commitment to integrity, clarity, and results, Mr. Coe approaches every case with the same objective: to provide fast clear, objective, and technically sound insights that empower clients to make informed decisions and achieve successful outcomes.
View Some Of Our Work Below
Credentials & Certifications
- California Licensed General Contractor
CSLB# 471343
- California Licensed Electrical Contractor
CSLB# 471343
- California Certified General Electrician
DIR# 102745 & IBEW# D976374
- California Licensed Fire/Life Systems
Technician DIR# 103177
Professional Affiliations
- Past Chapter President, FEWA (Sacramento / Sierra)
- Past President, Westcon (Western Construction Consultants Association)
- Member, International Association of Electrical Inspectors (IAEI)
- Member, American Society of Civil Engineers (ASCE)
- Member, National Fire Protection Association (NFPA)
- Member, International Brotherhood of Electrical Workers (IBEW)
- Member, Construction Institute, ASCE
50+
Years of Experience
Over five decades of hands-on experience in forensic consulting, defect analysis, and construction litigation support.
400+
Cases Supported
We have contributed expert analysis, documentation, and testimony to hundreds of construction-related disputes and legal proceedings.
$500M+
Dispute Value Analyzed
Our analyses have influenced the outcomes of disputes involving more than half a billion dollars in construction projects.
60+
Expert Testimonies
Lyle Coe has testified as a qualified construction expert in numerous depositions, arbitrations, and state and federal court cases.

























