Building Success Underground
Subterra Innovations Inc.
is dedicated to building infrastructure to improve the quality of life within all communities.
Wet Utilities
Subterra Innovations Inc. has established itself as a trusted leader in underground construction overseeing the installation and repair of many underground utilities. For decades, STI has specialized in installing and overseeing utility systems across complex watershed environments, public & private right-of-ways. Our commitment to quality and expertise forms the foundation of our long-standing trusted customer relationships.



Excavating Excellence Below the Surface
Project Types
We offer a comprehensive range of services to ensure projects are completed on time, within budget, and to the highest standards. Our dedicated team works tirelessly to exceed client expectations and deliver exceptional results with a focus on quality and efficiency. With a proven track record of success, we are committed to providing innovative solutions that drive project success and client satisfaction.

Distribution Water Systems

Transmission Water Systems

Storm & Sanitary Sewer Systems

Pre-Cast & Cast-in-Place Structures
“Efficient Underground. On Time, Every Time”
What Sets Us Apart
At Subterra Innovations Inc., we stand out for our unmatched precision in underground utility construction. Our expertise minimizes disruptions, avoids conflicts, and accelerates project timelines in even the most challenging environments. As a respected and experience service provider in Central California, and surrounding areas, we endeavor to achieve the highest level of customer satisfaction by remaining a leader in the industry through cutting edge technology, techniques, and state of the art equipment.

Regulatory Insight
Navigating complex regulations with ease.

Constructability Expertise
Ensuring projects are feasible and efficient.

Accelerated Timelines
Minimizing project durations for faster results.
Let’s Connect
We invite you to reach out to Subterra Innovations Inc. for expert construction management consulting services. Contact us today to discuss your project needs.
Email: jcortez@subterrainnovations.com or acruz@subterrainnovations.com
Phone: 559.509.7316 or 831.970.1265