Witnessly
Expert Witness Profile
Expert Directory

Kier Gregory Cotton

Construction Defect Expert Witness

Santa Maria, California25 years+ years experience
Construction Defect and Building Envelope Expert Witness

Is this your profile?

Claim this listing to verify your information, add details, and be discoverable by attorneys searching for expert witnesses.

Claim Your Profile

Professional Summary

Kier Gregory Cotton is a construction defect expert witness specializing in construction litigation. With a career spanning construction methodologies, project sequencing, and practical application, he brings a comprehensive understanding of construction processes to his litigation work. His work centers on investigating construction defects, assessing compliance with building codes, and evaluating whether construction practices meet industry standards.

Mr. Cotton has been retained in numerous expert witness and consulting engagements across California, involving residential and commercial construction cases. His traditional trade apprenticeship, along with certifications in plumbing, electrical work, and carpentry, reinforce his ability to deliver objective, defensible analyses. He is regularly engaged by both plaintiff and defense counsel to provide clear, independent determinations of causation in disputes involving construction defects and compliance issues.

Work Experience

Kier Gregory Cotton has over 22 years of experience in the construction and consulting industries. He is currently the President/Owner at KORE Consulting Group LLC and CEO/Owner at KC Gregory, Signature Construction LLC, roles he has held since 2022. Previously, he was the Owner/Contractor at Asset Home Building in Livermore, CA, from 2010 to 2022.

Expert Intelligence

AI-Generated AnalysisBased on public information

Best Descriptor

Kier Gregory Cotton specializes in expert witness services for construction defects and related consulting in the construction industry.

Best Use Cases

  • 1Expert witness in construction defect litigation
  • 2Consultation on construction project management
  • 3Field inspection and analysis of construction quality

Full analysis available to registered users

View full report

Work with Kier?

Create a free account and contact through Witnessly.

Let's Get Started!

Education

  • Traditional trade apprenticeship

Licenses

  • CA General B LicenseState of California (CA)
  • CA General B LicenseState of California (CA)
  • C-10 ElectricianState of California (CA)
  • C-36 PlumbingState of California (CA)
© 2026 Witnessly. All rights reserved.