3S Prime Engineering is a California structural engineering consulting firm providing structural design and engineering services throughout Southern and Northern California.
Our work ranges from new construction homes and hillside residences to major remodels and additions, commercial projects, shoring and foundation systems, and seismic upgrades.
We collaborate closely with architects, contractors, developers, and property owners to develop structural solutions that support the architectural vision while addressing constructability, site conditions, building codes, and project economics.
Our Approach
We understand the architecture, identify structural challenges early, and develop efficient solutions that work with the design and the realities of construction.
Collaboration
We work closely with architects, contractors, developers, consultants, and owners to create practical and effective structural solutions.
Why Choose Us
Engineering That Makes Architecture Possible
Architecture-Driven
Structural solutions that support the architectural vision.
Complex Projects
Experience with challenging sites, geometry, spans, and existing structures.
Practical Solutions
Efficient engineering focused on performance and constructability.
Collaborative Approach
Close coordination with the entire project team.
Our Team
Meet The Professionals Behind Buildra Construction
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With more than 40 years of structural engineering experience, Sanjar Saljooghi brings extensive experience in the design and management of new construction, renovations and retrofits, healthcare facilities, hillside projects, seismic upgrades, shoring, and foundation systems.
Prior to establishing his own practice, Sanjar spent more than 25 years with leading Southern California structural engineering firms, including Risha Engineering Group, KPFF Structural Engineers, Parker Resnick Structural Engineers, and Robert Englekirk Consulting Engineers, serving in senior engineering and project management roles.
Sanjar holds a Master of Science in Civil Engineering (Structural) from the University of Cincinnati and a Bachelor of Science in Civil Engineering from Ohio Northern University. He is a licensed Professional Engineer in California.