Why Soft-Story Retrofit Under Garage Parking Structures Is Critical for Earthquake Safety
- Isela 
- 3 days ago
- 2 min read
In Los Angeles, where seismic activity is a constant threat, buildings with under-garage parking structures—also known as soft-story buildings—are particularly at risk during earthquakes. These structures often lack the lateral support needed to withstand strong ground movement, making them susceptible to partial or total collapse.
If your building has this type of design, retrofitting isn't just a good idea—it's a critical safety measure.
Why These Structures Are So Vulnerable
Under-garage parking areas typically have open, unsupported ground floors with large spans and limited wall bracing. While convenient for tenants and residents, this layout compromises the building's structural integrity when the ground shakes. During an earthquake, the upper stories shift and sway—putting enormous stress on the weak, flexible base.
Retrofitting: A Lifesaving Investment
In the midst of post-earthquake chaos—as building owners scramble to file insurance claims and assess damages—you’ll be very glad you decided to retrofit. A soft-story retrofit strengthens the base of your building, preventing collapse and potentially saving:
- Lives 
- Millions in damage 
- Your ability to reoccupy or rent the property quickly 
A well-timed retrofit can mean the difference between temporary disruption and total loss.
How Sinai Construction Can Help
At Sinai Construction, we specialize in soft-story retrofits for properties throughout Los Angeles. Our team of structural experts understands the unique challenges of retrofitting under-garage parking structures and will:
- Perform a detailed inspection of your building 
- Design a custom retrofit plan that meets LA city requirements 
- Handle permitting, engineering, and construction — start to finish 
We’ve helped hundreds of property owners upgrade their buildings for earthquake resilience — and we’re ready to help you.
📞Ready to Retrofit?
Don't wait until it's too late. Contact Sinai Construction today to schedule an inspection or learn more about your building's retrofit needs.
Call us at (323) 655-0960 Your building's safety is our top priority.








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