​Helenschmidt Geotechnical, Inc.  |  Consulting Engineers​​
5931 Sea Lion Place, Suite 102  |  Carlsbad, CA 92010​​​​
Phone: (760) 579-0333

Fax: (760) 579-0230


Helenschmidt Geotechnical, Inc. (HGI) is a full service geotechnical consulting firm providing specialty services, including:

  • Geotechnical Investigations
  • Civil Design and Plan Set Development 
  • Permit Processing for Slope Stabilization 
  • Litigation Support/Expert Witness Testimony
  • Landslide Investigation and Repair
  • Geotechnical Hazard Assessment
  • Foundation Repair Design
  • Geotechnical Monitoring
  • Geotechnical Peer Review

HGI provides geotechnical services to:
  • Civil and Structural Engineers
  • Commercial and Private Developers
  • Public Agencies and Government Officials
  • Attorneys and Law Firms
  • Regional Planners
  • Architects​​

We understand the importance of a collaborative effort in problem solving, reducing risks to our clients, accomplishing project objectives, and developing innovative geotechnical solutions.
  1. Foundation Design for Commercial Properties
  2. Grading and Construction Observation Services
  3. Subsurface Geotechnical Investigations for Commercial Properties
  4. Cast-in-Drilled-Hole Shear Pin Design and Construction



HGI Qualifications, Project Experience, Services, Expertise in the Geotechnical Engineering field (San Diego County, California)
​HGI's resources include the following:
  • State-Certified Engineers and Geologists
  • Geotechnical Engineering Software
  • In-house Soils Testing Laboratory
  • State of the Art Drafting and Plotting Equipment 
  • Extensive Library of Geologic References
  • AutoCAD Civil 3D Modeling

View and Download HGI's Company Brochure