About Byer Geotechnical

Byer Geotechnical provides professional services, specializing in geotechnical engineering and engineering geology consultations. 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 clients' needs. We can provide rapid response to requests for field observation of construction and grading operations. Our field team of geologists and deputy grading inspectors average over 15 years experience. At Byer Geotechnical you can expect to be served by a highly competent, knowledgeable staff at 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, private and public schools and universities, large retail centers, churches, and cemeteries.

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Mission Statement

Byer Geotechnical, Inc. is a professional geotechnical firm that specializes in providing consultations resulting in technical solutions to complex geologic and geotechnical site development conditions. Through thorough site research, laboratory soils testing, and geotechnical analysis and interpretation, our goal is to provide geologic and geotechnical recommendations that meet or exceed the code requirements of the governing public agency, while meeting client needs, and providing enhanced occupant safety.

Firm Profile

Byer Geotechnical is located in Glendale, California. The firm was founded by John W. Byer, Professional Geologist and Certified Engineering Geologist, who was later joined by Robert I. Zweigler, Registered Geotechnical Engineer and Certified Engineering Geologist. Giuseppe Cugno, Professional Geologist and Certified Engineering Geologist, is the current President of Byer Geotechnical. Maria Barrios is the Vice President and office manager. The principals of the firm collectively offer the benefit of over 80 years of professional geologic and geotechnical experience in southern California. Byer Geotechnical, Inc. has collaborated with numerous professional architectural, design, engineering, construction, and land surveying firms over the decades. Its client base has evolved as a result of references from over 15,000 profession consultations throughout its existence. The medium-sized firm has an experienced staff of 18, professional and support staff, who strive to provide its clients with exceptional customer service while providing the highest level of geotechnical competence.