Our History


Building Diagnostics, Inc. (BDI) is a Texas-based engineering and consulting firm that has been serving clients since 1995. BDI is the Austin affiliate of Engineering Diagnostics, founded by David H. Nicastro, P.E., on August 2, 1994. Mr. Nicastro, the Chief Executive Officer of BDI, has authored numerous articles and books related to forensic and facilities engineering. He continues to practice engineering and educate clients and colleagues through frequent speaking engagements and guest lectures on topics including forensic engineering and failure mechanism theory.

Our staff of professionals is highly-educated and trained in both architecture and engineering. In addition, we have a wealth of hands-on construction project management experience. As a corporation, BDI has successfully performed consulting services for public, private, commercial, and institutional facilities.

The firm's principals and officers include:
  • David H. Nicastro, P.E. – Chief Executive Officer
  • Brett T. Fagan, P.E. – Principal Engineer, VP
  • Doris E. Eichburg – Principal Engineer, VP
  • Edward S. Breeze, P.E - Principal Engineer, VP
  • Terry A. Campion, P.E. – Branch Manager – Kansas City Office
We stay informed of technological advancements and industry developments through our professional society committee activities and our relationships with both contractors and product manufacturers. We publish articles regularly to disseminate the knowledge that we gain on our projects; our competitors learn from us. Our professional memberships include: 

  • American Concrete Institute
  • American Institute of Steel Construction
  • American Society of Civil Engineers
  • Association for Preservation Technology 
  • ASTM International
  • Construction Specifications Institute
  • The Masonry Society
  • Precast/Prestressed Concrete Institute
  • Roof Consultant Institute
  • Sealant, Waterproofing & Restoration Institute
BDI prides itself on years of successfully analyzing and remedying construction failures: from historical structures to highrise commercial office towers, residential properties, hospitals, and institutional facilities.


Contact Us


Main Office
Building Diagnostics, Inc.


327 Congress Avenue, Suite 630
Austin, Texas 78701

P: (512) 474-0400
F: (512) 474-0240

Kansas City Office
Engineering Diagnostics, LLC


4200 Pennsylvania, Suite 150
Kansas City, Missouri 64111

P: (816) 531-7705
F: (816) 531-7743