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About Us

About Us

Geocon is a California corporation established in 1971 as a professional engineering consulting firm providing comprehensive geotechnical engineering, geotechnical instrumentation, environmental consulting, engineering geology, geotechnical instrumentation, and construction inspections, including materials testing and special inspections. In addition to these services, we also provide environmental remediation contracting (cleanup) services and operate soils and materials testing laboratories.

We have 9 regional offices across the state with over 285 technically strong, highly motivated engineers, geologists, environmental scientists, technicians, and special inspectors. Geocon currently operates offices in San Diego, Irvine, Burbank, Murrieta, La Quinta, Redlands, Livermore, Fairfield, and Rancho Cordova. Each office is supported by state-of-the-art inventories of field equipment and instrumentation, comprehensive technical libraries, and modern data-management systems. Geocon maintains full-service materials testing laboratories across the state. Our laboratories are certified and/or accredited by major governing agencies.

Firm Details


San Diego, California

Founder and Successors
Jim Likins (1971 – 1999)
Mike Chapin (2000 – 2009)
Joe Vettel (2010 – Present)

541330 – Engineering Services
541360 – Geophysical Surveying and Mapping Services
541380 – Testing Laboratory
541620 – Environmental Consulting Services
541690 – Other Scientific and Technical Consulting Services
562910 – Remediation Services

Professional Credentials

We Employ Professionals with Registrations
in the Following Disciplines:

  • Civil Engineer
  • Engineering Geologist
  • Hydrogeologist
  • Geologist
  • Geophysicist
  • Geotechnical Engineer
  • Petroleum Geologist

We Employ Technicians/Professionals with the Following Certifications:

  • ACI
  • Asbestos Cement Pipe
  • Asbestos Consultant
  • Asbestos Abatement Consultant
  • Caltrans Materials Tester
  • Environmental Manager
  • ICC
  • Lead Inspector/Assessor
  • Mold Inspector/Assessor
  • MSHA Mine Safety and Health
  • OSHA 40-Hour Hazardous Waste
  • Site Surveillance Technician
  • Troxler Nuclear Gauge Operator
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