248-855-5566 DrDIY@comcast.net

Expert Witness Services

Because of years of experience and many credentials, Lon is frequently hired to help people with expert witness testimony in regards to construction defects, poor workmanship, contract disputes, defective, improper and inferior materials, and incomplete projects. In addition, he’s been called to represent homeowners, purchasers, sellers and realtors in disputes with opposing parties or other home inspectors in real estate transactions.


Owner Technihouse Inspections, Inc.
Over 40 Years Experience in
Inspection & Construction
Full Curriculum-Vitae Available on Request

  • Residential and Commercial Evaluations
  • Construction Violations/ Workmanship Issues
  • Slip and Fall/ On site Injuries
  • Photo Reports
  • Court Appearances / Depositions
  • Consultations

For the past few decades Lon Grossman and Technihouse Inspections, Inc. have been renowned for their expert witness work. Below is a partial list of attorneys that have called upon us for our expertise.


Atty. Barry Adler Atty. James Dritsas Atty. Brian Kreucher Atty. Ron Steinberg
Atty. John Alfs Atty. Harry Eisenberg Atty. Anthony Long Atty. Les Shefman
Atty. Dirk Beamer Atty. Michael Eizelman Atty. Emily Minns Atty. Andy Sugarman
Atty. Harvey Babcock Atty. Brad Feldman Atty. John Mulvihill Atty. Bruce Seyburn
Atty. Marty Burnstein Atty. Murray Feldman Atty. John Mucha Atty. Jay Schwartz
Atty. Kenneth Bilodeau Atty. Steve Grobbel Atty. Doug McCray Atty. Scott Schafer
Atty. Harvey Chayet Atty. Joseph Gill Atty. Phil Neuman Atty. David Trivax
Atty. Mike Cianciolo Atty. Bruce Gorosh Atty. Greg Nave Atty. Michael Troyanovich
Atty. Fred Custer Atty. Jennifer Grieco Atty. Timothy Orlando Atty. Phil Tomlinson
Atty. John Cook Atty. Ann Howard Atty. Mel Partovich Atty. Gerald Thurswell
Atty. James Carnago Judge Charles Hegarty Atty. Joseph Papelian Atty. Victor Valentino
Atty. Tony Deponio Atty. Mark Hayduk Atty. James Roach Atty. David Yaldo
Atty. Jo Davis Atty. Lloyd Johnson Atty. Freddy Sackllah Atty. Mark Zausmer
Atty. Steve Dobreff Atty. James Klemanski Atty. Mike Clawson Atty. Lisa Archer
Atty. Jeff Jones Atty. Mark Merlanti Atty. Stan Walker Atty. Lisa Stern
Atty. Linda Bobrin