DRS Engineering Inc. is a specialist geo-structural engineering consultancy providing services related to earth support systems and specialty foundations.  Our design services fall in three broad categories:   Temporary Shoring, Permanent Earth Retention and Specialty Foundations.  Founded on over 25 years of experience we provide our clients with the most economical solutions based upon innovative approaches created to meet the project challenges. Our clients range from individual home owners to multi-national developers and we provide full project support from concept through detailed design, plan and specification preparation, bid processing and construction supervision.


The principal and founder, David Salter, is intimately involved with all projects so personal, expert service is guaranteed for your project.  We aim to provide exceptional service to all our clients where we meet or exceed expectations in all cases.  


In the words of Karl Terzaghi  “Theoretical reasoning alone does not suffice to solve the problems which we are called upon to tackle" which is why our experience is critical to ensuring the most-cost effective solutions for your earth retention challenge.  Our goal is to provide “SUPPORT YOU CAN RELY ON” on time and within budget and earn your trust for repeat business in the future.






Keat Bollenbach

Bel Air, CA


"DRS Engineering Inc's innovative and bold designs made our multi-million dollar landslide repair project feasible. For the past nine years, DRS Engineering has been a critical team member providing exceptional service for both temporary and permanent earth retention designs on our project."

Jesse Kleist

KB Home Coastal

Director, Forward Planning

“Thorough, Responsive, Professional.


DRS Engineering understands the demands and obstacles of Land Development and consistently provides knowledgeable and efficient consultation and design.”

Joe Schlotterbeck

Etco Homes, Inc

Project Manager

“Working with DRS has been a great experience. They are quick with their responses to issues and are creative and think outside the box when it comes to solving tricky problems as they arise in the field. They make the job of construction a little easier and that goes a long way.”