We Are Sladden Engineering

We have experience you can build on

65+ Years of Experience

Initially founded in 1959. Sladden Engineering has a long history as a highly respected geotechnical consulting firm that has been involved with thousands of successful projects throughout Southern California. Sladden Engineering’s extensive project experience along with our highly qualified and experienced professionals and our multiple office locations throughout Southern California allows us to meet the diverse and expanding needs of our clients.

Our Corporate Philosophy

We're all about impactful teamwork at Sladden Engineering, navigating project challenges with a focus on quality assurance. Clients can trust in our commitment to excellence, ensuring every project—regardless of size, location, or complexity—is delivered promptly and within authorized budgets.

Powered By People

Meet our team

Frank D. Gorman
CEO, Principal Engineer
Brett L. Anderson
President, Principal Engineer
Matthew Cohrt
Vice President, Principal Geologist
James W. Minor
Vice President, Senior Geologist
Katie Pisani
Brad Hulburt
Director of Field Operations
Jamil Mall
Laboratory Manager

Office Locations

Los Angeles & Orange County


6782 Stanton Avenue, Suite C
Buena Park, CA 90621

Coachella Valley – Indio


45090 Golf Center Parkway, Suite F
Indio, CA 92201

Inland Empire - Beaumont


450 Egan Avenue
Beaumont, CA 92223