Earthquake Retrofit · San Diego County

Earthquake Retrofit in San Diego County

Your home. Its foundation. The soil beneath it. A stronger approach considers them together — so your retrofit is engineered for the individual home, not pulled from a one-size-fits-all checklist.

  • Engineered for the individual home
  • Designed as a complete system
  • Lifetime transferable warranty
  • Since 1986
Earthquake Retrofit

Connected by design.

Since 1986

Foundation experience

ICC ESR-4921

Listed VR-1 system

Lifetime

Transferable warranty

3 Major Quakes

Proven performance

The Whole System Matters

Every Home Has Its Own Foundation Story

California earthquakes are not a question of if — they are a question of when. Millions of homes were built before modern seismic requirements and remain vulnerable to sliding, racking, cripple wall failure, and foundation movement.

Age, construction, soil conditions, and structural connections all shape a home’s response to an earthquake. Understanding those conditions is the starting point for a meaningful retrofit.

Sure Safe® brings the structure, foundation, and supporting ground into one engineering conversation — so the recommendation fits the home.

Structure

Walls, floors, and the connections between them

Foundation

Anchorage, cripple walls, and interior supports

Supporting Soil

The ground conditions beneath the home

Explore foundation solutions

The Principle Behind the System

Our Seismic Engineering Philosophy

Seismic Engineering Philosophy

The objective of foundation engineering is not to create the most rigid structure. It is to create the most effective structural system.

Every foundation exists as part of a larger system consisting of the structure, the foundation, and the supporting soil. These components do not act independently; they interact continuously under both static and dynamic loading.

During an earthquake, the challenge is not to eliminate movement. That is impossible. The challenge is to manage how earthquake forces are transferred through the structure and into the supporting ground while maintaining a continuous structural load path.

Throughout the development of the Sure Safe® Engineered Foundation Systems, every design decision has been guided by one fundamental principle:

Dynamic forces should be managed, not merely resisted.

This philosophy guided the development of the original two-stage seismic foundation, the Steel Buttress Foundation System, and ultimately the VR-1 Foundation System. While each generation incorporated new engineering solutions, all were based on the same objective — to protect the structure by intelligently managing the transfer of loads between the structure, the foundation, and the supporting soil.

This engineering philosophy forms the basis of the work presented in this monograph.

Art Angelo
Founder and Inventor
Sure Safe® Engineered Foundation Systems

Foundation connections and cripple wall bracing
Foundation connections and cripple wall bracing

Start With the Connections

Is Your Home Ready?

A foundation assessment looks beyond what you can see above ground. Key areas to review include:

Designed With Your Home in Mind

  • Foundation anchorage
  • Cripple wall bracing
  • A continuous structural load path
  • Interior support systems
  • Mechanical connections between components
Without these improvements, earthquake forces can cause a home to:
  • Slide from its foundation
  • Collapse cripple walls
  • Shift laterally
  • Damage floors, walls, and utilities
  • Become unsafe to live in

A Solution That Fits Your Home

From Seismic Connections to a Complete Foundation System

Depending on your home’s structural condition, the right answer may be a targeted retrofit or a full engineered foundation upgrade. Every recommendation is based on the engineering needs of your home.

Earthquake Retrofitting
01

Engineered Seismic Retrofit

Review anchorage, cripple walls, and structural connections together to identify the work your home actually needs — including cripple wall reinforcement and foundation anchoring.

VR-1 Foundation System
02

VR-1 Foundation System

An engineered foundation option for homes requiring a broader crawl-space foundation upgrade — a complete foundation replacement installed without lifting or moving the home.

Manufactured & Princess Home Foundations
03

Steel Buttress Foundation System

A foundation solution for manufactured homes, considered in relation to the structure and the supporting ground beneath it.

Sure Safe technician installing a foundation system in a crawl space

Proven Performance Since 1986

Tested by California’s Biggest Earthquakes

Sure Safe® foundation systems have protected homes through some of California’s most significant earthquakes. These real-world events validated the engineering concepts that still guide every system we design today.

1989

Loma Prieta

1992

Landers

1994

Northridge

A simple first step

Our Princess Home Foundation Inspection and Repair Process

We’ll help you understand what’s going on and what options you can consider.

01

Tell Us About Your Home

Share your location, the home’s age and foundation type, and what prompted your call.

02

Foundation Assessment

We review anchorage, cripple walls, the load path, interior supports, and the connections between components.

03

Engineered Recommendation

You get a recommendation that fits the home, explained clearly. No salespeople. No pressure.

Engineering-Led Recommendations

Earthquake Retrofit FAQs

For many years, Sure Safe® EFS was an approved FEMA contractor and a registered contractor in California’s Earthquake Brace + Bolt (EBB) Program. When we joined, engineered retrofit designs were accepted under the program. Over time, the program became focused exclusively on prescriptive retrofit methods — a standardized approach that can’t address the unique engineering requirements of every home.

Because our work is built on engineering for the individual structure, we chose to withdraw from the EBB Program and focus on patented, engineered foundation systems. We respect the role EBB plays in improving earthquake safety; our mission is simply different.

A retrofit strengthens the connections that keep a home on its foundation during shaking: foundation anchorage, cripple wall bracing, a continuous structural load path, interior support systems, and the mechanical connections between components.

Without proper anchorage and bracing, a home can slide from its foundation, collapse its cripple walls, shift laterally, and suffer damage to floors, walls, and utilities — sometimes leaving it unsafe to live in.

Not necessarily. Some homes need an engineered seismic retrofit, cripple wall reinforcement, or foundation anchoring. Others benefit from a complete crawl-space foundation replacement with the VR-1 Foundation System, or, for manufactured homes, the Steel Buttress Foundation System. The assessment determines which fits.

Yes. Sure Safe® foundation systems protected homes through the Loma Prieta (1989), Landers (1992), and Northridge (1994) earthquakes.

Yes. Sure Safe foundation systems are backed by a lifetime transferable warranty that stays with the home.

Let’s Start With Your Home

A Clearer Understanding.
A Better Next Step.

Talk with Sure Safe about your foundation concerns and the right earthquake evaluation for your property in San Diego County and throughout Southern California.

  • An evaluation of the structure, foundation and soil together
  • Engineered solutions with a lifetime transferable warranty
  • Serving Southern California homeowners since 1986

Call (760) 741-1540 or schedule your free foundation consultation today.

No salespeople. No pressure. Just a clear evaluation of your home.a

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