At Lok Engineering, we help Bay Area homeowners and property owners protect what matters most—their safety and their homes. With over 20 years of combined experience in residential design and structural engineering, we specialize in seismic retrofitting to make buildings stronger, safer, and code-compliant.

Who We Are

We’re Ryan Lok and Vi Giang—two structural engineers with deep roots in the Bay Area. Over the years, we’ve worked on a wide range of residential projects, from custom home designs to major structural upgrades. We've seen firsthand how critical it is to prepare homes for the next big earthquake.

Today, we focus our expertise where it matters most: delivering smart, effective, and tailored retrofitting solutions to protect local homes.

What Sets Us Apart

• Local Knowledge – We understand the unique construction types and city requirements across the Bay Area.
• Hands-On Experience – We’ve partnered with homeowners, contractors, and architects to bring projects from initial plans through final construction.
• Direct Communication – You work directly with us—no middlemen—ensuring clarity, accountability, and practical guidance.
• Retrofit Specialists – Seismic retrofitting isn’t just one of our services—it’s our core focus and passion.

Whether you’re a homeowner, a realtor assisting a client, or a contractor in need of engineering support, we’re here to help you navigate the retrofit process from start to finish.

Let’s make the Bay Area safer—one retrofit at a time.