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Alta California Geotechnical, Inc., a California Corporation, is a fully insured soils engineering and engineering geology consulting firm with an office and soil testing laboratory in Corona, serving Los Angeles, San Bernardino, Riverside, San Diego, and Orange Counties. Committed to providing pro-active involvement, our principals regularly visit job sites and support our field personnel. We combine the disciplines of soil engineering and engineering geology on every project to provide cost-effective practical solutions, and appropriate, helpful field support during construction.

Our staff is experienced with a wide variety of geologic conditions including hard rock, liquefaction/high groundwater, complex geologic structure, landslide-prone areas and faults. We provide our professional services to produce feasibility/due diligence reports, detailed geotechnical and Alquist-Priolo fault investigations and grading plan reviews. Our experienced field technicians provide observation and testing services during grading and construction as well as reinforced concrete inspection. Our staff’s project experience includes complex hillside developments, public works projects, institutional, residential and commercial developments, bridges, and roadway construction.

The engineers and geologists at Alta California Geotechnical, Inc. are committed to providing our clients with an accurate depiction of the geotechnical conditions that yield accurate construction cost estimates. We work with our client’s multi-disciplined consultants to produce quality projects with favorable outcomes. We are set apart from our competition with our dedication to excellence and responsiveness to the client, all at a competitive cost..