01 / The Studio

SG Design Studio is a Los Angeles–based structural engineering studio working on residential, commercial, multi-family, and development projects across Southern California. We engineer everything from a single beam over a kitchen opening to ground-up multi-family construction on hillside sites.

The work is technical — every plan we issue carries an engineer's stamp and the legal weight that comes with it. But the practice doesn't have to be. We've built a studio where calculations are rigorous, plans are clean, communication is clear, and clients always know where their project stands.

That's the whole idea. The engineering should be the hard part. Working with the engineer shouldn't be.

02 / Approach

Three principles guide every project we take on. Engineering rigor, design clarity, and a workflow that respects everyone's time.

— 01

Engineering rigor

The calculations are right. The details work in the field. The plans hold up in plan check. Nothing about the structural side of a project should be a surprise — not to the owner, not to the architect, not to the framer, and not to the building official.

— 02

Design clarity

A plan set is a communication tool. We organize ours so the inspector finds what they need on the first look, the framer doesn't call with questions the plan should have answered, and the architect can see how the structure lands inside the design intent.

— 03

Workflow that respects time

Same-day response to client emails. Honest timelines and the discipline to hit them. Project files organized so a contractor can find what they need at 7am on a Tuesday without waiting for us to dig through email. The work should move at the pace of the project, not slow it down.

03 / Principal

Led by the engineer who stamps the work.

Souren Grigoryan, Principal Engineer at SG Design Studio

Souren Grigoryan

Principal Engineer / P.E.

Souren founded SG Design Studio to bring a more modern, responsive approach to structural engineering in Los Angeles. He’s a California-licensed Professional Civil Engineer (C 93320) with structural design experience spanning hillside residential, multi-family, commercial, and retrofit work.

Before founding the studio, Souren worked on dozens of projects across the LA basin — from custom hillside homes in the Hollywood Hills to multi-family buildings in the Valley to commercial tenant improvements in Glendale and Pasadena. The studio is built around his core belief: engineering work should be as clear and well-organized as the building it produces.

License
California P.E. — C 93320
Based
Sherman Oaks, CA
Member
SEAOSC, ASCE
04 / Stamped Work

Every project carries a license.

Stamped structural plan sets from SG Design Studio, signed and sealed by Souren Grigoryan, P.E.

— Recent project sheets, stamped and ready for permit submittal.

05 / Credentials

Licensed. Insured. Accountable.

License California P.E. — Civil No. C 93320 / State of California
Studio Location Sherman Oaks, CA 4419 Van Nuys Blvd #410, 91403
Memberships SEAOSC Structural Engineers Association of Southern California
Memberships ASCE American Society of Civil Engineers
Insurance Professional & General Liability Coverage current — certificates available on request
06 / Service Area

Southern California, end to end.

The studio is based in Sherman Oaks, with most projects within a 60–90 minute radius. We work throughout Los Angeles County — from coastal sites in Malibu and Long Beach, through the LA basin and the Valley, to the hillside neighborhoods of Mulholland, Glendale, and Pasadena.

Sherman Oaks Los Angeles Glendale Pasadena Beverly Hills Santa Monica Malibu Long Beach Orange County
STUDIO SHERMAN OAKS LOS ANGELES GLENDALE PASADENA BEVERLY HILLS SANTA MONICA MALIBU LONG BEACH ORANGE CO. — SERVICE AREA SOUTHERN CALIFORNIA / 2026 N
— Start

Have a project that needs structural expertise? Let's build a clear path forward.