Cornerstone Earth Group, Inc.

Cornerstone Earth Group, Inc. is a trusted geotechnical engineer, environmental consultant, and geological service provider serving homeowners in the Sunnyvale area who need expert soil analysis and environmental assessments before building or renovating their properties. If you’re planning a home addition, foundation repair, or any construction project, their geotechnical engineering services can identify potential soil stability issues that could save you thousands in future structural problems. The company offers comprehensive environmental consulting to help you navigate regulatory requirements, assess contamination risks, and ensure your property meets all safety standards before breaking ground. Homeowners will appreciate that Cornerstone Earth Group maintains a wheelchair accessible entrance and parking lot, making it easy for all clients to visit their offices for consultations. Their geological services are particularly valuable if you’re purchasing property in areas prone to landslides or seismic activity, as they can provide detailed reports on ground conditions that inform smarter investment decisions. Contact Cornerstone Earth Group early in your project planning phase to get the critical subsurface information you need to build safely and avoid costly surprises during construction.