Structural Engineering Services
Precision-Driven Design & Planning
Expert structural engineering services for residential and commercial projects, delivering safe, efficient, and code-compliant solutions from concept through construction.
~ Commercial / Residential Structural Engineer
~ Hillside Structural Engineer
~ Schools (DSA) & Hospitals (HCAI)
~ Structural Design
~ Structural Analysis
Inspection & Forensic Services
Detailed Evaluation & Structural Insight
Comprehensive evaluation services, including forensic investigation, structural analysis, and construction defect assessments—providing clear, defensible insight into structural performance and failure.
~ Forensic Investigation
~ Construction Defects (evaluation)
~ Structural Analysis
Litigation & Expert Services
Technical Expertise for Complex Disputes
Specialized support for construction-related disputes, offering expert witness services, technical analysis, and strategic guidance for litigation involving structural integrity and defects.
~ Expert Witness
~ Construction-Defects Litigation
~ Deep Excavation Defects Litigation
~ HOA Representation
Our Expertise
Paul Cohn Piña is a licensed structural engineer with over 30+ years of experience delivering refined, high-performance structural engineering services for discerning clients throughout Los Angeles and beyond. Renowned for precision and discretion, Paul specializes in complex, design-driven projects—including architecturally ambitious hillside residences, schools (DSA), hospitals (HCAI), and sophisticated mixed-use developments. His work reflects a seamless balance between engineering rigor and architectural vision, making him a trusted partner to developers, architects, attorneys, and property owners seeking a premier structural engineering firm. As both a residential structural engineer and commercial structural engineer, Paul leads projects from initial structural engineer consultation through final execution with clarity and confidence. His expertise includes advanced structural design services, detailed building structural analysis, and the engineering of advanced steel and concrete structural systems. He is also highly regarded for specialized scopes such as hillside stabilization, retaining wall design, and deep excavation support. In the field of evaluation and advisory, Paul provides detailed, high-level assessments as a structural inspection and foundation specialist, offering comprehensive home and foundation inspections, along with strategic guidance on structural modifications and seismic upgrades. As an earthquake retrofit engineer, he delivers tailored seismic retrofit services that ensure both safety and long-term structural integrity. Beyond design and inspection, Paul is a respected authority in forensic engineering and litigation. He serves as an expert witness in complex construction-defect and builder litigation, representing HOAs, private clients, and legal teams in matters requiring technical depth and credible, defensible analysis. For those seeking a structural engineer in California who operates at the highest level of expertise, discretion, and professionalism, Paul Cohn Piña offers a standard of service defined by precision, experience, and trust. Experience & Credentials Established 1996 30+ Years in Business 1,500+ Projects Completed Licensed Structural Engineer
 Hillside Pool Stucture - Malibu, California |  Residential Building - Long Beach, California |  Residence - La Cañada, California |  Mixed Use Building - Manhattan Beach, California |  Hillside Residence - Hollywood, California |
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 Residential Hillside Pool - Malibu, California |  Ferrari Auto Dealership - Torrance, Califronia |  Residential Family Housing - Catalina Island, California |  Bank - La Jolla, California |  Residential Building Seniors Housing - Catalina Island, California |
 Skilled Nursing Facility - Encino, Califronia |  Solarium - La Cañada, California |  Technology Building - Antelope Valley, California |  Commerical Building - Hollywood, California |
Philosophy
At California Structural, we believe that every structure tells a story. Our approach is rooted in meticulous engineering practices, ensuring that safety, functionality, and aesthetics harmonize in every project we undertake.
Contact
Get in Touch
Reach out to California Structural for inquiries, project collaborations, or to learn more about our structural engineering services.