Diehl Group Architects


Who we are

At Diehl Group Architects, we specialize in forensic architecture, offering a comprehensive range of services tailored to address the unique needs of our clients. From conducting thorough site assessments to developing innovative waterproofing solutions, our team of seasoned professionals is dedicated to delivering excellence at every turn. Whether it's providing expert testimony in legal proceedings or crafting long-term maintenance plans, we are committed to ensuring the integrity, durability, and sustainability of buildings and structures. At Diehl Group Architects, we don't just meet expectations—we exceed them, setting the standard for excellence in forensic architecture since 1994.


What we do

Since 1994, Diehl Group Architects has operated with unwavering integrity, upholding the highest standards of morals and professionalism in every aspect of our work. Committed to excellence, we believe in delivering nothing short of the best for our clients. With a foundation built on trust, transparency, and ethical practices, we strive to exceed expectations while maintaining the utmost respect for our clients and their needs. At Diehl Group Architects, integrity isn't just a principle—it's the cornerstone of our success.

Explore Our Services:

Forensic Architecture:

Waterproofing Warranty Inspection:

Waterproofing Consulting:

Deck Inspections (SB-326 & SB-721):

Design & Reconstruction:

3D Space Capture:


Brad Hammerstrom

Principal Architect / President

Michael Poage

Project Manager / Vice President

Jason LaRocca

Technical Assistant

Sean Hoxie

Architectural / Waterproofing Consultant

John (Jack) Diehl

Founder / Architectural Consultant