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Geological Services.

Geological Services in Northern California.

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Expert Geological Services for Engineering Projects.

For more than 25 years, we at RGH Consultants have provided our cornerstone geological services to a wide range of clients in Northern California. Our team of certified professionals works in partnership with hospitals, public works, resorts, schools, residential and commercial developments, wineries and other organizations to deliver the solutions that meet these stakeholders’ unique needs. We also provide expertise in failure analysis as well as expert witness consultation. Whatever the type of geological service you need, RGH Consultants is your rock-solid solution.

Northern California's Go-To Provider For Geological Services.

RGH Consultants has been a trusted provider of high-quality geological services for over 25 years in Northern California. Our certified team collaborates with a diverse array of clients, including hospitals, public works, resorts, schools, residential and commercial developments, wineries, and more, to deliver customized solutions. We specialize in various areas such as dams and reservoirs, foundations, ground improvement, groundwater management, liquefiable soils, retaining walls, rock mechanics, and slope stability. Additionally, our expertise extends to failure analysis and expert witness consultation, making RGH Consultants your comprehensive solution for all geological service needs.


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Why Work With RGH Consultants?

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Over 25 years of experience.

Advanced exploration capability.

Advanced geotechnical laboratory testing capability.

Proven geotechnical engineering experts.

Extensive knowledge of the local construction materials.

AASHTO accredited laboratory.

Your Trusted Partner in Geological Services in Northern California.

Our approach at RGH Consultants combines field explorations, laboratory testing, and advanced data analysis to deliver high-tech geological solutions. As Northern California's go-to provider for geological services, our team of skilled engineers, geologists, engineering technicians, and field engineers brings extensive regional and global experience to each project. We're committed to employing the latest technologies and innovative methods, ensuring our services are both cost-effective and time-efficient. Our additional offerings include operating a soils and materials lab and providing special inspections, adhering to local building codes and jurisdictional guidelines, which encompass a range of geotechnical soils and construction materials testing. With RGH Consultants, you're choosing a partner dedicated to delivering thoughtful, sustainable geological solutions.


In an era where responsible land development is crucial, RGH Consultants excels in providing geological services that significantly reduce the environmental impact of construction. This commitment helps maintain the region's lifestyle and promotes a healthier relationship with our surroundings. We offer a broad range of high-quality geological services to meet the diverse needs of various market sectors. Our team's unwavering commitment to client success drives us to deliver solutions that are both successful and sustainable.


The cornerstone of RGH Consultants is our skilled and dedicated team. We place great emphasis on their professional development, knowing that their expertise is essential for delivering premier geological and geotechnical engineering services. Our team's growth and knowledge are key factors in our ability to offer effective solutions and retain our status as an industry leader.

As we strive to be the top choice for geological services in Northern California, our goal at RGH Consultants is to maintain our reputation for excellence in every project. We are dedicated to being industry leaders in geological services, continually innovating and respecting the environmental and community values of Northern California. Join us in our journey to integrate cutting-edge geological solutions with a profound respect for the natural world.

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