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What is Soft Story Retrofit & Why It’s Crucial for Seismic Safety in Los Angeles?

Writer's picture: Isela Isela
Soft Story Retrofit in progress
Demo in progress

As a homeowner in Los Angeles, you’re likely aware of the seismic activity that can occur in our area. Earthquakes can strike without warning, and one of the best ways to ensure the safety of your home and loved ones is through a soft story retrofit.

But what exactly is a soft story, and why is it so important to retrofit your building? Let’s break it down and explain why addressing this issue now can protect your home in the future.


What is a Soft Story?


A soft story refers to a building or structure where the ground floor (or lower floors) is much weaker than the upper floors. Typically, this happens when the ground floor has large, open spaces—like garages, storefronts, or other non-structural features. These open spaces lack the vertical supports needed to resist the lateral forces (side-to-side motion) caused by an earthquake.

Buildings with soft stories are more susceptible to collapse during seismic events because they lack the structural integrity to withstand the shaking of the ground. When an earthquake occurs, the building may be at risk of buckling or tipping over, especially if the soft story isn’t reinforced.


A soft story retrofit involves strengthening the foundation and the structure of the building to make it more resistant to lateral forces during an earthquake. The goal is to add reinforcements, such as steel braces or shear walls, to the weak lower levels, so the building can stand firm and better handle seismic movement.

For homeowners in Los Angeles, this retrofit is critical for several reasons:

  • Safety: A retrofitted building is less likely to suffer major damage or collapse during an earthquake. Your family, tenants, and neighbors will be better protected.

  • Compliance: The city of Los Angeles has ordinances in place that require soft story retrofits for certain types of buildings, especially older multi-story structures. Completing the retrofit ensures your building is up to code and legally compliant.

  • Property Value: Retrofitting your building can actually increase its value. Homes and buildings that are earthquake-resistant are more desirable to buyers and can command a higher price.

  • Peace of Mind: Knowing your building is prepared for future seismic activity gives you peace of mind. It’s an investment in the safety and stability of your property.


At Sinai Construction, we specialize in soft story retrofitting and are dedicated to helping Los Angeles homeowners make their buildings as safe as possible. Our experienced team will assess your building’s structure, recommend the best retrofit solutions, and carry out the necessary work with precision and care. We take pride in delivering results that not only meet but exceed safety standards.


Don’t wait until it’s too late. A seismic event can happen at any time, and it’s always better to be proactive when it comes to your building’s safety. Let Sinai Construction help protect your property and your family from the unpredictable dangers of earthquakes.


Is your building at risk? Contact Sinai Construction today for a consultation on your soft story retrofit needs. We’re here to provide the best solutions for your building’s safety.

Call us at 323.655.0960 to get started!


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Welcome to Your Foundation Experts Los Angeles Blog. By Sinai Construction Engineering.

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