We are a privately held company in Pleasanton, CA proudly doing business for 53 years.

Berlogar Stevens & Associates (BSA) is a full-service geotechnical firm that is owned and staffed by experienced professional engineers, geologists, field technicians, and special inspectors. The firm was founded as Berlogar, Long and Associates in 1973 on the principle of providing high quality geotechnical engineering, engineering geology, and environmental consulting services. Berlogar Geotechnical Consultants continued the tradition of providing quality engineering and maintaining highly rep...

Berlogar Stevens & Associates (BSA) is a full-service geotechnical firm that is owned and staffed by experienced professional engineers, geologists, field technicians, and special inspectors. The firm was founded as Berlogar, Long and Associates in 1973 on the principle of providing high quality geotechnical engineering, engineering geology, and environmental consulting services. Berlogar Geotechnical Consultants continued the tradition of providing quality engineering and maintaining highly reputable engineering standards.