Avalon Structural Inc.

Avalon Structural, Inc. is a construction company that serves Santa Cruz, California and neighboring counties, and performs more distantly where our services are needed. Founded in 1993 by contractor Roger Pase, Avalon Structural is composed of a great group of people who love to work!

Avalon Structural Inc.

We specialize in…

  • Deep foundations

  • Helix piers

  • Post-tensioned concrete

  • Drilled foundations

  • Shallow foundations

  • Retaining walls

  • Foundation repair

  • Foundation replacement

  • Landslide repair

What we do

Avalon Structural, Inc. is a Santa Cruz, CA based construction company, specializing in deep foundations, helix piers, drilled foundations, shallow foundations, foundation repair, foundation replacement, post-tension concrete, patios, flat-work, retaining walls, landslide repair, road washout repair and rooms under existing homes.

What makes a good foundation?

A foundation begins with the soil beneath it.  Sometimes terra firma is not near ground level.  When a foundation is founded in unstable soils, differential settlement occurs.

If a house is built over soft soils, engineers typically design a deep foundation to ensure support.

Avalon Structural installs drilled pier foundations (deep holes with rebar and concrete) as well as helix foundations.  Owners, engineers, and contractors are finding helix piers make sense in many construction applications.

(Note that the term ‘helix pier’ is equivalent to ‘helical pier’.)  We install both square shaft and round shaft helical piers and tiebacks.

Our pier sizes range from 1 1/2″ square shaft to 5 1/2″ round shaft. Where stout columns are needed, we have installed these 5 1/2″ helical piers. Larger piers are also available.

For hillside foundations, round shaft vertical helix piers with square shaft diagonal helix piers are more cost effective than drilled piers.

Recommended by SCCG member Michael Hartrich

Contact Info:

Avalon Structural, Inc.

181 Ridgeview Drive
Aptos, CA 95003

Phone: 831-479-4389
Fax: 831-479-0328

CA License 677116
Classifications:  B, C-8

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from other members

  • 1Professionalism
  • 1Concrete Contractor
  • 1Structural Lifting

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7 Customer Testimonials
  1. jim and carol says:


    Avalon surpassed our expectations in all facets of price, quality, timeliness and responsiveness. To recap, our foundation had settled due to a small slope from one side of the house to the lower garage. While the settlement was the result of constructions standards in the mid-70’s including lack of rebar in our garage slab, which caused uplifting and cracking but no safety concern just a serviceability issue. When we first listed our home for sale buyers were hesitant to buy “as is”. Both timeliness of our sale was and a correction with warranty to allay any potential buyers apprehension were important.

    Regarding price, Avalon was not the lowest nor most expensive. The most expensive was substantially more in price. As important, starting the work was critical and Avalon got to the work ASAP. The period of work was about 3 weeks. The thoroughness in the number and pier placements was explained to us in terms of getting our home relatively “level” again, and supporting any further settlement. The warranty of 25 years materials and 10 years labor is reassuring. It’s been simply amazing to witness this engineering feet. The lift resulted in only relatively minor cracks to interior walls and cement porch floor.

    One important aspect was the assignment of experienced workers especially the on-site lead that had 18 years experience with your firm. Our interactions were highly pleasant and explanations were understandable to us as non-engineers.

    In the end, we immediately had an offer on our home within 5 days of finishing your work. I can’t write enough about your stewardship of Avalon and communications with us. It’s such a great feeling to have selected such a great fit for us engineering company.

    We would be happy to relay more of our positive experience with anyone interested in considering your firm’s engagement.

    Jim and Carol
    Los Altos, CA

  2. M. Boyle says:

    Roger — Just a quick note to let you know that Terry and crew were GREAT! They did an excellent job getting the work done as specified in the proposal and even did some extra things they saw and fixed along the way. We very much appreciated their friendly, positive and helpful attitude. Terry kept us informed throughout and asked for our feedback when needed. We felt included in the project outcome. We couldn’t help but observe how well Terry and his crew worked together. Terry kept everyone rolling at a good pace. It was obvious that Terry respected the workers and they respected him as well. We noticed that Tony is a valuable asset too, working as Terry’s right-hand man and helping direct the others. All paid close attention to detail, did a great job of cleaning the site when they were finished, and worked as an effective team with a good sense of humor, We are very pleased and would highly recommend Terry and his crew, and Avalon Structural Incorporated, to others!

  3. Paul Lawton says:

    I used Avalon recently to jack up and reinforce a hillside two story house on a hillside that had a cracked and settled foundation. It was a great decision. No muss, no fuss, they made it look easy! Minimum disruption to the site. I highly recommend them.

    Paul Lawton Construction

  4. Drew Morrish says:

    The Avalon guys did a great job of replacing the foundations, leveling the floor and repairing the support structure in my 120yr old Victorian. The drainage and driveway they also poured came out great, and has transformed the property. The team always went the extra mile to get things the way we wanted it. Work started promptly, and finished on time, and the guys left everything clear and tidy when they left. And above all, the guys were always friendly and helpful. Four thumbs up from me and my wife!

  5. Janice Wittenberg says:

    We had used Avalon previously for another, even larger project, and so we knew right away when our driveway retaining wall failed that we wanted to use them again. This most recent experience with Avalon involved building two long driveway retaining walls and when we received a reasonable bid from Roger Pase, company owner, and started the work, we found the project operations to be absolutely smooth sailing.

    Avalon employees are all unbelievably competent, professional, hard workers. They were courteous and kept the job on schedule and cleaned up after.

    As the project progressed, Roger was a champ at communicating clearly and he let us know when any matters came up that needed to be discussed. We highly recommend Avalon Structural to anyone who needs such work done.

  6. Diana Bloom says:

    We think these guys are the best. Professional, friendly, considerate, clean, on time, hard workers and experts in their field. And not only that, it was a complex job and it worked. Our garage is no longer sliding towards the creek. Roger, the owner is a really nice person, and Terry, his foreman, rocks! We were very pleased how they left the property when the job was finished, paying attention to small details after a very big job.

  7. Mike Hartrich Construction says:

    I have used Avalon Structural on two large projects. Both projects were challenging because of the slope conditions of the sites. But Avalon crew under their foreman Terry Fitzpatrick did a great job.

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