Our Balcony & Deck Inspector Credentials

Licensed, Certified, and Trusted Across California

At California Deck Inspection (CDI), our credibility is built on more than 45 years of hands-on construction and inspection expertise. We are California’s largest SB 721 and SB 326 inspection-only firm, trusted by leading property management companies, HOAs, and corporations statewide.

What sets us apart isn’t just our scale; it’s the strength of our fully licensed, highly qualified team. Every inspection is performed by CDI employees, never subcontractors, and backed by industry-recognized certifications.

Leadership & Experience

CDI was founded by Jim Schlagel, a licensed B-General Contractor (#691243) and C-39 Roofing & Waterproofing Contractor (#423954). 

With more than four decades of experience, Jim is recognized as one of California’s leading experts on water intrusion, structural safety, and construction defect issues.

Jim continues to oversee CDI’s operations, bringing the insight of an ICC Certified Building Inspector (#5223588) and long-time CSLB Designated Industry Expert (10+ years) to every project. His leadership ensures that our inspection practices remain accurate, compliant, and transparent.

Jim Schlagel, Owner CDI

Our Inspection Team

Every inspection at CDI is carried out by our in-house staff of licensed contractors, certified building inspectors, civil engineers, and architects. Unlike many firms, we never subcontract, ensuring consistency, accountability, and quality across every project.

Our inspectors and engineers bring decades of combined experience in construction, engineering, and waterproofing, with credentials that include:

  • Licensed B-General Contractors and C-39 Roofing & Waterproofing Contractors
  • ICC Certified Building Inspectors
  • Licensed Civil Engineers with active California registrations
  • Three licensed Architects experienced in exterior envelope design, waterproofing, and structural review

This multidisciplinary team allows CDI to approach every inspection with technical precision, architectural insight, and construction expertise, resulting in clear, accurate, and defensible inspection reports. Property owners, HOAs, and corporations trust CDI to deliver the most complete, code-compliant inspections in California.

Jim Schlagel CACM Award

Certifications & Affiliations

Our team members hold a wide range of credentials, including:

  • International Code Council Affiliate Member (#5052088)
  • AAMA Certified Window Installation Master (#700008296)
  • Western States Roofing Contractors Association
  • Roofing Industry Educational Institute (RIEI)
  • E06 Symposium on Building Walls Subject to Water Intrusion and Accumulation
  • CSLB Designated Industry Expert (10+ years)

Why Credentials Matter

Compliance Assurance: SB 721 and SB 326 inspections require accuracy; licensed inspectors provide defensible, legally sound documentation.

Trust & Transparency: Public license numbers mean our qualifications can be independently verified.

Experience You Can Rely On: Collectively, CDI’s team has diagnosed and inspected tens of thousands of elevated elements across California, making us the most experienced partner for your compliance needs.

With CDI, you don’t just hire an inspector; you hire California’s most trusted, certified inspection team.

Years of Experience
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Contact CDI

California Deck Inspection (CDI) brings over 45 years of construction and inspection expertise to property owners across California. Our team of licensed professionals specializes in providing accurate, non-invasive inspections for compliance with SB 721 and SB 326.