Case Study: Seismic Retrofit of a Pasadena Craftsman Home
Read our real project case study of an EBB-compliant seismic retrofit in Pasadena. Learn about foundation bolting, cripple wall sheathing, and city permit closeouts.
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FEMA EBB Certified
Earthquake Retrofitting
in Southern California
FEMA EBB certified seismic protection for your home
What Is Earthquake Retrofitting?
California earthquakes are inevitable. The question is whether your home is ready. PiersPro provides FEMA-approved seismic retrofitting specifically designed for homes with raised (crawl space) foundations — the most vulnerable type. Our licensed team reinforces your home with foundation bolting and cripple wall bracing following official Earthquake Brace + Bolt (EBB) program guidelines. We handle everything from inspection to permits to final installation.
What's Included
Base retrofit installation: foundation bolting and cripple wall bracing
Certified EBB (Earthquake Brace + Bolt) contractor
Eligible for state rebates up to $3,000 and insurance discounts
Meets California seismic code requirements (CEBC Chapter A3)
Engineering calculations & city permit processing available
Documentation for insurance and real estate transactions
Our Process
01
Seismic Evaluation
We inspect your crawl space, foundation type, and existing conditions to determine retrofit requirements.
02
Engineering & Permits
We prepare site-specific engineering calculations and submit required city permits on your behalf (separate fee).
03
Foundation Bolting
We anchor the mudsill to the concrete foundation with anchor bolts per seismic code.
04
Cripple Wall Bracing
Structural plywood panels are installed to brace the short cripple walls between foundation and floor.
05
Inspection & Documentation
City inspection and final documentation delivered to you for insurance and resale records.
Frequently Asked Questions
What is the EBB (Earthquake Brace + Bolt) program?
EBB is a California state program that provides rebates of up to $3,000 to eligible homeowners who complete seismic retrofitting. PiersPro is a registered EBB contractor and can help you apply for the rebate.
Does my home qualify for seismic retrofitting?
Homes built before 1980 with raised (crawl space) foundations typically benefit most from retrofitting. We can determine your home's eligibility and retrofitting needs during an expert evaluation.
Will retrofitting reduce my insurance premiums?
Many insurers offer premium discounts for retrofitted homes. We can provide documentation of the work completed for your insurance company.
Is a permit required for seismic retrofitting?
Yes, city permits are required. PiersPro assists with the entire permitting and engineering calculation process as needed; permit fees and engineering calculations are billed separately based on municipal requirements.
Knowledge Base
Related Seismic Retrofitting Articles & Guides
Expert tips and insights on foundation repair, waterproofing, and structural maintenance in Southern California.
5 Signs Your Southern California Home Needs a Seismic Retrofit
Explore the top 5 warning signs that your raised foundation home is vulnerable to earthquake damage. Learn about mudsill anchoring, cripple walls, and how to verify safety.
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Seismic Retrofit for Small Multi-Family Buildings: California ESS Guide
Learn how to seismically retrofit small multi-family buildings and soft-story apartments in California. Grants up to $13,000 via CRMP ESS & city mandates.
Read ArticleNeed Seismic Retrofitting in Southern California?
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