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50+ Years
experience
Earthquake Retrofitting & Foundation Repair Experts in Pasadena
Seismic Safety has been the most-respected and reliable earthquake retrofit company in Southern California for over 64 years. Since 1954, we have addressed residential foundation issues across 20,000 properties, specializing in earthquake hazard reduction through structural-foundation reinforcements. Our comprehensive inspections identify vulnerabilities like weak cripple walls or unbolted foundations, which we resolve using trained teams to ensure homes withstand seismic events.

We prioritize transparency, providing detailed reports with photos and recommendations within 48 hours, and guarantee our work while crediting inspection fees toward contracted projects. With expertise in foundation repair, replacement, and slope mitigation, we serve homeowners, real estate professionals, and insurance agents, offering peace of mind through decades of proven experience.
Services
Earthquake Retrofitting House Bolting Foundation Repair Foundation Replacement Cripple Wall Bracing Slope Mitigation
Details
  • Year established: 1954
Highlights and features
  • We have over 60 years of experience in earthquake retrofitting since 1954.
  • Our team provides comprehensive inspections with detailed reports within 48 hours.
  • We guarantee our work and credit inspection fees toward contracted projects.
  • Serving 20,000+ properties with proven expertise in foundation integrity.
  • Approved contractor under California's Earthquake Brace and Bolt program.
What people say
Excellent to work with Job looks great Most-respected company Comprehensive inspections Proven track record
Services
Earthquake Retrofitting
Earthquake retrofitting strengthens homes against seismic damage by reinforcing foundation attachments and cripple walls. Our certified team evaluates structural weaknesses and installs bolting systems to prevent buildings from sliding off foundations during earthquakes. This service ensures compliance with modern safety standards while preserving property integrity.
Foundation Repair
Foundation repair addresses deteriorated or damaged concrete to restore structural stability. We inspect for cracks, porosity, or dry rot in mud sills and implement repairs using durable materials. This service mitigates seismic risks and prevents further damage from environmental stressors like high winds or sonic booms.
Questions
What is earthquake retrofitting?
Earthquake retrofitting strengthens a home's foundation attachments to prevent seismic damage, using methods like bolting and cripple wall bracing.
Why is foundation repair important?
Foundation repair ensures structural integrity, preventing cracks and collapses during earthquakes or environmental stress events.
How long does an inspection take?
Inspections typically take 48 hours, with detailed reports including photos and repair recommendations provided afterward.
Do you service residential properties?
Yes, we specialize in residential earthquake retrofitting, foundation repair, and slope mitigation for homeowners in Southern California.
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Reviews (5)
Amo P.
Jun 06, 2022 Report
Friendly, professional, on top of everything. They made the process with the city easy and it went smoothly. From the first contact to the inspection I felt supported and the work was flawless. Thank you to every member of the team (you know who you are:-).
Ryan Haqq
Mar 24, 2022 Report
Ken with Seismic Safety came to our house to evaluate our foundation. He was extremely patient, professional, and answered all of our questions. I would have no questions recommending this company to a family or friend.
Greg K.
Jan 29, 2021 Report
Just needed a ballpark estimate for Earthquake insurance. Seismic Safety retrofitted my home in 1990 but in 1997 formal standards were set in place. So they first wanted to charge me $200 to figure out if my 1990 retrofit meets the CAE standards to get the insurance discount. Then they lowered it to $125 because I'm a returning customer. I find it hard to believe they didn't know before their inspection what the difference was going to be to a first order.

They just want to sell you an "improvement" that isn't a requirement. And charge you for some new guy to come out and take pictures for them. Don't waste your money like I did. The old owner Ed Slyvis had integrity. I find it lacking now.
Lynell B.
Mar 01, 2020 Report
It's never easy doing something to a 110 year old house. Seismic Safety stood with me all the way. The initial quote was complete and easy to wrap my uneducated head around. Gerardo, John and the team who came to the site were great, fast, clean, and as respectful of my working at home as you can be when you're tearing out the foundations of a very old house. The house is still standing and beautiful, plus now a little bit more safe. Bella and Karin in the office held my hand and walked me through everything with the EQ Brace and Bolt rebate. It was a great experience all the way around.
Rowen Bilbrey
Dec 01, 2019 Report
A family owned business. I stand behind with the pride of knowing them and I personally worked there in the past. -does pay gas mileage. - does provide great traing on how to deal with any issue in the field. probably carrys more in field experience the most companies do. - does not leave customer waiting. - when they say there are busy. There is 6 boards always filled with customers they always take care of. - we actually do crawl under houses. Most company from my experience don't. - they do provide company vehicles - always stocked trucks beyond I have ever seen. - always on time ready to go every time - rowen bilbrey -pasr time employee