Southern California's Leading Geotechnical Engineering Firm

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Geotechnical, Civil, and Structural Engineering

We provide engineering geology, geotechnical (soils) engineering, structural engineering and civil engineering services for flat lands and hillside properties. In addition, we provide consultation and engineering review services in the geotechnical field. Our projects include, but are not limited to, new residential and commercial developments, additions to existing structures, accessory dwelling units (ADU), swimming pools, spas, decks, and recreational facilities for residential, commercial properties, and industrial developments.

Geotechnical Engineering and Engineering Geology

We prepare soils report for all types of projects. Residential, multi-family, commercial, industrial, and many more. Are you mass grading or developing a hillside home? Contact us to learn more about preparing a geology report. We provide cost-effective along with practical geotechnical consulting services in Southern California.


NTS employees a staff of engineers that specialize in providing cost-effective, practical engineering solutions for design of foundations, shoring, retaining walls, and pavement. We also perform in-depth geotechnical and geologic hazard evaluation such as liquefaction, lateral spreading, and expansive soils. Our team of geologists has 20+ years of experience in performing geologic mapping, drilling, and evaluation of all types of geologic hazards. They have also provided mass grading observation of over 1,000 acres of lands throughout Southern California.

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Civil Engineering

NTS Civil Engineers is a sister company of NTS Geotechnical who specializing in providing a full spectrum of civil engineering services for private and public entities throughout Southern California. Our projects include residential, retail, commercial, and industrial. No job is too small for us, whether you’re building an ADU, retaining wall, addition to existing home or warehouse building, we employ highly trained and registered civil engineers to prepare civil plans for permitting.

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Structural Engineering

NTS Structural Engineers has provided structural engineering solutions for numerous projects throughout Southern California. NTS engineers have partnered with many clients from residential developments to industrial construction and engineered hundreds of structures from San Diego to Los Angeles. We provide value-engineering services whether it is a wood-framed single-family residence or structural steels buildings. We employee licensed structural engineers who are ready to apply their experience and passion in engineering your next project.

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Construction Testing and Inspection

We provide soil testing and inspection during construction during grading for building pads, backfilling of widgetutility trenches, installation of piles, backfilling of retaining walls, grading for new pavements, and much more. We also provide concrete, steel, masonry, and wood inspection services! NTS's team of special inspectors and engineering technicians are some of the finest in the industry

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