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32 Years
experience
Forensic Architecture Experts in San Diego
At Diehl Group Architects, we specialize in forensic architecture, offering a comprehensive range of services tailored to address the unique needs of our clients. Our expertise spans from conducting thorough site assessments to developing innovative waterproofing solutions, ensuring the integrity, durability, and sustainability of buildings and structures. With a foundation built on trust, transparency, and ethical practices since 1994, we deliver excellence through expert testimony in legal proceedings, long-term maintenance plans, and cutting-edge 3D space capture technology. Our team of seasoned professionals combines over 30 years of collective experience in forensic architecture, holding licenses in multiple states including Arizona, California, Colorado, Nevada, New Mexico, Texas, and Florida.

We prioritize client needs through personalized service, maintaining unwavering integrity while exceeding expectations in every project. Our commitment to professionalism extends to specialized services like deck inspections under SB-326/SB-721 compliance, drone inspections, and design reconstruction. As industry leaders, we continuously adapt to evolving standards while preserving our core values of trust and ethical conduct. Our extensive geographic coverage enables us to serve clients nationwide while maintaining compliance with local regulations. Through decades of dedicated service, we have established ourselves as trusted experts in forensic architecture, consistently delivering high-quality solutions that stand the test of time.
Services
Forensic Architecture Waterproofing Consulting Design Reconstruction Warranty Inspections Deck Inspections 3D Space Capture Drone Inspections
Details
  • Year established: 1994
Highlights and features
  • We offer 30+ years of forensic architecture expertise
  • Our team holds licenses in 7 US states
  • We utilize advanced 3D space capture technology
  • We provide SB-326/SB-721 compliance inspections
  • Our services include expert legal testimony
Services
Forensic Architecture
Our forensic architecture services investigate building failures through comprehensive assessments and technical analysis. We identify root causes of structural issues while providing expert testimony for legal proceedings. Our team combines architectural expertise with investigative methodologies to deliver actionable solutions for property owners and legal professionals.
Waterproofing Consulting
We develop customized waterproofing solutions for commercial and residential properties using advanced diagnostic tools. Our consultants assess existing systems, recommend improvements, and ensure long-term protection against water intrusion while maintaining compliance with industry standards and building codes.
Design Reconstruction
Our design reconstruction services create innovative solutions for damaged or failing structures. We combine 3D modeling technology with practical engineering principles to develop cost-effective repair plans that restore structural integrity while meeting modern safety requirements and aesthetic considerations.
Deck Inspections
We conduct SB-326 and SB-721 compliance inspections for multi-family residential decks and balconies. Our certified professionals assess structural integrity, identify safety hazards, and provide detailed reports to ensure regulatory compliance and prevent catastrophic failures in elevated walking surfaces.
3D Space Capture
Our 3D space capture technology creates precise digital representations of buildings using laser scanning and photogrammetry. This enables accurate documentation of existing conditions, facilitates design planning, and supports forensic analysis through detailed spatial data visualization for construction and legal applications.
People
Bradley Hammerstrom
Principal Architect / President
With 30+ years in forensic architecture, Bradley holds a CalPoly architecture degree and license since 2001. He leads our technical operations and quality assurance programs.
Michael Poage
Chief Operating Officer / Project Manager
Michael brings 10+ years of forensic architecture experience, combining mechanical engineering and architectural expertise from UC Riverside and NewSchool of Architecture.
Sean Hoxie
Architectural Consultant
Sean contributes 30+ years of waterproofing and forensic analysis experience, holding architecture licenses since 1995 with specialized knowledge in building envelope systems.
John Diehl
Founder / Architectural Consultant
Founder Jack Diehl established DGA in 1994, bringing 30+ years of forensic architecture experience and a University of Texas architecture degree from 1971.
Questions
What services does Diehl Group Architects offer?
We provide forensic architecture, waterproofing consulting, design reconstruction, compliance inspections (including SB-326/SB-721), 3D space capture, and drone inspections for commercial and residential properties.
In which states are you licensed?
We currently hold licenses in Arizona, California, Colorado, Nevada, New Mexico, Texas, and Florida, with pending licensure in North and South Carolina.
How long have you specialized in forensic architecture?
Our team has over 30 years of combined experience in forensic architecture, with individual professionals holding licenses since 1978-2001.
Do you handle legal testimony services?
Yes, we provide expert witness testimony and legal consultation services for construction-related disputes and building failure investigations.
Can you assist with out-of-state projects?
We can obtain temporary licensure in states where we're not currently licensed to serve your specific project needs.