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    Our Company

Gilpin Geosciences, Inc is a small, specialized consulting firm located in the Northern San Francisco Bay Area. We provide a wide array of geologic hazard assessments including earthquake, landslide, slope stability and erosion control investigations. We perform earthquake  engineering geologic evaluations for residential, vineyard, and commercial development projects throughout the San Francisco Bay Area.


We assist our clients in evaluating and addressing their specific needs related to land-use planning, site development, erosion control and landslide repair, public safety, and environmental restoration. Our clients include homeowners, vineyard managers, city and county planners, as well as large developers. We assess each client's unique situation based on our 25 years experience in the Bay Area. Our company provides regularly litigation support to clients concerned with landslide causation and other geologic hazards affecting their homes and properties.

Over the years we have established solid working relationships with a variety of geotechnical and civil engineering firms that contribute to solid project team work. Our experience on projects large and small enables us to seamlessly contribute critical site condition data early in a project design. We house a specialized library and a map collection, and we co-operate with libraries in the Bay Area to gather current as well as historical documentation distinct to each project.

Our location in Napa allows us easy access usually within an hour drive to Bay Area projects. Our extensive experience with geologic hazards in the East Bay, San Francisco Peninsula, and South Bay projects draws us to assist existing clients in these areas.

We have recently moved. Please note our new address: 3228 Silverado Trail N, St. Helena, CA 94574.
Bluff Failure
Residential Underpinning
Foster Bridge