Sound Seismic

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7543 15th Ave NW
Seattle, WA 98117

Sound Seismic is a seismic retrofit contractor based in Seattle, WA, specializing in earthquake-proofing homes to ensure safety in the event of seismic activity. With over two decades of experience, the company boasts a team of highly trained specialists who have completed numerous successful retrofits, earning top reviews from satisfied clients.

Using a comprehensive approach, Sound Seismic thoroughly assesses each home to identify vulnerabilities before installing essential hardware such as anchor bolts, hold downs, framing, insulation, and plywood shear panels. The team handles all building inspections to guarantee compliance, providing homeowners with a fixed-price proposal that includes necessary permits and engineering services.

Upon completion of the retrofitting process, Sound Seismic ensures a thorough cleanup and restoration, leaving homeowners with a certificate of completion and peace of mind. By focusing on creating earthquake-resistant structures beyond mere foundation bolting, the company emphasizes the importance of choosing a specialized retrofit contractor for optimal safety and protection.

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Reviews

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5.036 reviews
Photo of Steven W.
Steven W.
4/14/2022

Sound Seismic did a great job retrofitting our house. Our house is over 100 years old and has a lot of "bespoke" architecture. Sound Seismic added plywood stabilizers and additional supports, and...

Photo of Jiwon Y.
Jiwon Y.
10/16/2024

I highly recommend Sound Seismic for anyone looking to do an earthquake retrofit. Leif was knowledgeable and down to earth and gave an accurate estimate. He shared a lot of information that we...

R L.
9/9/2024

We're so grateful to Sound Seismic for working with us to quickly schedule a seismic retrofit to our home when we were flooded. The flood resulted in a 2-foot flood cut of all of our downstairs...

Jennifer L.
9/12/2022

This company has earned its 5-star reputation. We have had a ton of work done on our century-old house. I've interviewed more than 60 contractors in the past 2 years and hired more than a dozen,...

Photo of Yeunbee P.
Yeunbee P.
10/19/2021

Sound Seismic did the earthquake retrofit on my 1910 home. They were easy to work with and very professional. Great communication, on-time, kept the workspace tidy. They handled all the inspection...

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