Youngdahl Consulting Group, Inc. is a full-service geotechnical engineering, geoscience, environmental compliance, and construction observation and materials testing firm. We provide services throughout the mountains, foothills, valley and coastal regions of northern and central California. Our diverse expertise enables us to offer a complete range of consulting services, from conceptual planning through project completion on a large portfolio of projects.

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Founded in 1984, Youngdahl provides innovative engineering solutions to complex project problems. Whether collaborating with other design consultants or working independently, our experienced team of trusted advisors works closely with each client to provide a broad range of integrated services which are cost effective and adeptly combine client interests, peer scrutiny, and regulatory requirements. Our value engineered and timely solutions minimize both cost and risks for large and small public works, commercial, and residential projects.