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Foundation forms and rebar set on a cleared hillside lot before a concrete pour

Seismic Retrofits · Thousand Oaks, Ventura County

Seismic Retrofitting in Thousand Oaks, CA

Bracing and bolting older raised-floor homes and evaluating hillside foundations in Thousand Oaks, by a registered Earthquake Brace + Bolt contractor.

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Seismic Retrofits for Thousand Oaks homes

Most Thousand Oaks tract homes sit on slabs and do not need a cripple wall retrofit. The houses that may are older homes with raised floors and crawlspaces, and hillside homes where the floor sits on taller cripple walls or stepped foundations. Taller walls fall outside the Earthquake Brace + Bolt standard plan and need an engineered design.

We inspect the crawlspace, explain what your house needs and whether the grant program applies, and carry out the retrofit with a City of Thousand Oaks permit.

This page covers Thousand Oaks specifically. For materials, process and costs in general, see our seismic retrofitting page, and for permits and neighborhoods, our Thousand Oaks service area page.

Thousand Oaks at a glance

Permits
City of Thousand Oaks, Community Development
From our office
28–32 miles, about 38–55 min
ZIP codes
91360, 91362

Common seismic retrofit issues in Thousand Oaks

  • Hillside cripple walls

    Taller cripple walls on slopes need engineering.

  • Older raised-floor homes

    Older houses may have few anchor bolts and unbraced walls.

  • Stepped foundations

    Sloped sites have foundations at different heights that need careful detailing.

  • Slab homes

    Most tract homes do not need this retrofit.

How we approach it

  • Honest assessment

    We tell you if your home does not need it.

  • Engineering for hillsides

    Engineered designs for walls over 4 feet.

  • Permits and paperwork

    City permits and EBB documents when applicable.

Planning a seismic retrofit in Thousand Oaks

Most Thousand Oaks homes from the 1960s onward sit on slabs, but older homes and some hillside houses have raised foundations with cripple walls. Those are the houses that benefit most from bracing and bolting. We start with an inspection of the foundation and crawlspace.

For houses on flat lots with typical cripple walls, the California standard retrofit plan usually covers the work. Hillside homes with tall cripple walls or stepped foundations often need an engineer's design.

The City of Thousand Oaks permits the retrofit, and the inspector checks the work before it is covered.

If your ZIP code is eligible during an Earthquake Brace + Bolt registration period, the program can help with the cost. We can help you check and prepare for registration.

From our clients

Real Google reviews from LE Construction clients, quoted word for word.

EXCELLENT

5.0 out of 5, based on 17 Google reviews

  • Diana White

    February 2022 · Google review

    "Very professional , responsive, and knowledgeable- installed earthquake retrofit for my house."
  • Shawn Whelan

    April 2024 · Google review

    "Luis and Fernando were great to work with all the way through on our Foundation Retrofit. Luis took the time to set up extra meetings and ensure the entire job was done correctly, quickly, and at a great price. He also took charge of all permits and navigating the EBB process to ensure we got our State refund check."

Read all reviews on Google

Find out what your home needs

We will inspect the foundation and give you an honest answer and a written price.

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Seismic Retrofits in Thousand Oaks: FAQs

Does my Thousand Oaks home need a seismic retrofit?

If it is on a slab, probably not this type. Older raised-floor and some hillside homes may. We inspect and tell you.

Can hillside homes get Earthquake Brace + Bolt grants?

Homes with cripple walls over 4 feet or hillside foundations fall outside the EBB standard plan, so the grant typically does not apply. They can still be retrofitted with an engineered design.

Who permits retrofits in Thousand Oaks?

The City of Thousand Oaks for addresses in the city, including Newbury Park. We handle the permit.

How long does a retrofit take?

Standard retrofits often take days. Engineered hillside retrofits take longer, with design time before construction.

Does a Thousand Oaks home on a slab need a seismic retrofit?

Usually not in the same way. Slab homes do not have cripple walls, and most are already bolted. Other weaknesses, like a room over the garage, may need an engineer's review. We can tell you whether a retrofit makes sense for your house.

Serving Thousand Oaks and Surrounding Neighborhoods

Seismic Retrofits for homes across Thousand Oaks, about 38–55 min from our office in Santa Paula.

ZIP codes we serve here: 91360, 91362

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