About Nelson Geotechnical Associates, Inc.

NGA Geotechnical Consulting group is your partner in creating solid foundations. NGA provides technically advanced, sophisticated solutions from design through the construction phase of your projects including preliminary and final evaluations to full construction monitoring and inspection services.

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We Get Your Projects On Solid Ground

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Our highly skilled team of professionals will aid your design teams in selecting the most technically advanced and economical solutions for any geotechnical issues that may impact your projects. Depending on the subsurface conditions, budget and project timelines, selecting the best design approach at an early stage can be critical to the successful completion of the project.

Whether on land or below water, Washington State offers up complicated building challenges. The tasks performed by our geotechnical team are numerous, in-depth and paramount to the long-term stability of structures and earthworks. With the advent of more ground improvement techniques and sustainable design methods, we at NGA welcome the challenge to ensure the strength of your foundations, slopes and walls, while reducing their environmental impact.