Southern California's
Premier Concrete Experts

Structural Concrete | General Engineering | Site Concrete

Based in San Diego, CA

HOURS8:00am - 6:00pm



Concrete Contractors Interstate (CCI) strives for our clients’ total satisfaction with cost-effectiveness, unmatched quality and reliability. We are bonded and insured, fully equipped and always ready to earn our continued reputation for exceeding expectations on every project we undertake.

Concrete Contractor Services

San Diego Commercial Concrete

Commercial Concrete Services

Structural Concrete Contractor

CCI offers a variety of structural concrete solutions from foundations to podium decks and architectural structures. Our team provides your new and retrofitted structural concrete components exactly to spec, on time and within budget. We’ll execute your design with meticulous attention to detail while complying with all applicable building codes.

Structural Concrete Services

General Engineer

CCI’s comprehensive suite of turnkey street improvement services has made our firm one of the most trusted leaders in the industry. Our ability to achieve a smooth process and lasting quality ensures adherence to the project’s scope and schedule while optimizing both the structure’s safety and its aesthetic value. Our experience also includes working alongside General Contractors and local regulatory agencies to ensure the project’s full compliance with building codes and related regulations.

View our Concrete Projects

Decorative Site Work Contractor

Our decades of experience enable us to provide award-winning decorative concrete enhancements to project owners, architects and designers on a wide range of project types. Innovation and technology have expanded our capabilities over the years, and today we are able to offer an ever-expanding suite of decorative solutions such as concrete coloration, aggregate finishes, interior concrete toppings and more.

Decorative Site Work Services

San Diego Commercial Concrete Retaining Walls

Fast Tilt Retaining Wall System

In 2013, CEO Russ Baumgartner patented a groundbreaking retaining wall system based on some of the same methods used by CCI. This invention, dubbed Fast Tilt Retaining Wall, allows Russ and his team to deliver a better product in a shorter amount of time by using the construction industry’s popular tilt-up concrete model and a unique cast-on-grade method that saves time and materials while offering a vast array of design options.

The Baumgartners

About The Owners

Led by longtime civil engineer Russ Baumgartner, CCI provides structural concrete, retrofit, decorative site work and general engineering services throughout California. With more than 60 years in business, CCI is well-known for its industry-leading techniques and quality workmanship on commercial, multi-residential & new construction projects across the state.

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