About Byer Geotechnical

John Byer checks on shoring supporting a landslide removal. The slide plane is visible along the top of the dark colored shale.

Byer Geotechnical provides professional services, specializing in geotechnical engineering and engineering geology. The geotechnical engineer analyzes the behavior of earth materials under stress and loading. The geologist identifies the earth structure for the engineer. John W. Byer, Robert I. Zweigler, and Giuseppe Cugno have over eighty years combined experience performing geotechnical explorations in Southern California. John W. Byer and Giuseppe Cugno are registered engineering geologists. Robert I. Zweigler is a registered geotechnical engineer and engineering geologist.

Byer Geotechnical is dedicated to providing quality service to meet our client”s needs. We can provide rapid response to requests for observation of construction and grading. Our field team of geologists and deputy grading inspectors average over 15 years experience. At Byer Geotechnical you can expect a knowledgeable staff and competitive hourly rates.

The firm provides geologic and geotechnical engineering studies for office buildings, commercial and industrial properties, retail and entertainment projects, large and small residential developments, mixed use projects, municipal airports, public works projects, schools, and large retail centers.