LA Seismic Construction Co.

Your Los Angeles foundation, drainage, and waterproofing
specialists, servicing greater Los Angeles since 1988.

Worker Digging a trench
Foundation bolted

Earthquake Retrofitting

We are experts in all methods of seismic retrofitting, from commercial soft story retrofits to residential brace and bolt solutions. Having spent decades specializing in retrofitting buildings, we've seen every scenario and dealt with the ever-changing landscape of earthquake mitigation in the Los Angeles area. You can count on us to deliver the right solution for you at the right price.

Foundation crack repair

Foundation Repair

We always strive for high quality, cost-effective solutions for your foundation. Quite often, after giving your foundation a professional assessment, the ideal solution for your foundation will be a foundation repair, not a whole foundation replacement. This is due to the diverse repair solutions we can provide thanks to our highly experienced inspectors and crew.

Foundation coated in elastomeric waterproofing.

Drainage and Waterproofing

Beyond earthquakes, water is your foundation’s greatest enemy. To help defend it against moisture, we utilize the two-pronged attack of drainage and waterproofing solutions. These solutions are not just to fight the onslaught of a heavy rain, but to help ensure even a misdirected sprinkler will not slowly erode your foundation over time.

Our Service Area

Greater Los Angeles is our Service Area

A rough map of our service area, please contact us if you are uncertain if you fall within it.

Contact Us Today!

A free foundation inspection is priceless peace of mind.


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Contact Information

4100 Scandia Way
Los Angeles, CA 90065
Phone: 323-255-7138

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