Enlightening Engineering
OVERVIEW
Founded in 1981 and based in the San Gabriel Valley, Costa & Associates has built a strong reputation in structural engineering throughout Los Angeles County. With expertise in public and private sector projects, we specialize in educational, commercial, institutional, industrial, and multi-family developments, handling projects up to $200M in construction cost.
Our clients include some of Southern California’s top architectural firms, and our team holds Structural Engineer (S.E.) licenses in California. As a small firm with big capabilities, we leverage advanced BIM modeling and structural analysis to deliver efficient, cost-effective designs.
Certified as both a Small Business Enterprise (SBE) and Minority Business Enterprise (MBE), we prioritize innovation, security, and professionalism on every project.

Building Resilient Dreams
HOW WE WORK
Think of our staff as an extension of your own office. We closely coordinate our efforts with your team through collaboration, cooperation, exchange of ideas, and frequent communications on the progress of our work. We offer solutions to design challenges drawn from our broad and successful experience. We commit to project schedules and respond promptly to your inquiries and requests. We have earned our reputation, not just with in the office with our designs, but also at the construction site, where the quality of our design is demonstrated and, when needed, provide fast responses and solutions to the challenges encountered.
We invite you to contact us and give us the opportunity to offer you uncommonly dedicated and highly professional structural engineering services.
KEY PERSONNEL

Orlando Costa, Se
Principal & CEO
Founded Firm in 1981
BSCE California State University, Northridge, 1974

Ariel Fernandez
Structural Project Engineer
Structural Project Engineer
Associated with Firm since year 2000
BSME University of Holguin, 1993

Oscar Ceballos
Structural Project Engineer
Associated with Firm since year 2001
BSME University of Michoacan, 1992

Santiago Graciano, SE
Principal & CEO
Structural Project Engineer
Associated with Firm since 2017
BSCE, California Polytechnic University Pomona, 2007
COSTA & ASSOCIATES is proud to have collaborated
with the following Architects:
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