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    Alpha Structural

    4.7 (809 reviews)
    Closed Closed
    Updated over 3 months ago

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    10 minutes

    Response rate

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    Services - Alpha Structural

    Deck construction

    Guest house or ADU construction

    Manufactured home construction

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    Reviews With Photos

    Nearly there!
    Evan H.

    Aaron, as before in 2019, was very helpful and quickly determined the problem. The cracks in my interior walls and some on the exterior were being caused by a corner of the building that is slowly losing support. With his help I will be able to get our HOA to address the issue before it becomes a real problem. The info he provided for me will be invaluable in getting the ball rolling! Thank you again!!

    After the job was done.
    Diane N.

    If you're looking for a company that's honest, professional, and truly cares about your home, go with Alpha Structural. We had foundation issues and started this journey back in November 2024. They sent an engineer, Alfie, out the next day, and he was super thorough and clear about what was going on and what our options were. He explained why helical piers were better for our situation (we have clay soil), and although it was more expensive than concrete pads, it made the most sense long-term. We took almost a year to decide and save up, and even then, Alfie honored the original quote; no hassle, no pressure. That really stuck with us. Once we moved forward, Alpha made everything easy. Their scope of work was laid out clearly, they kept us in the loop at every stage, and the office team (shoutout to Beverly and Kate) was always responsive. The permits and inspections were billed separately, which they explained upfront, and there were no surprises. Everything was transparent. Now let me take a moment to really highlight Francisco and his crew, Juan and Jared. These guys were INCREDIBLE! Seriously, I can't say enough good things. They were on time every single day, super respectful, and just really hardworking. The kind of crew you feel lucky to have working on your home. Francisco, the foreman, ran the project like a total pro. He made sure everything was done right and with care. He didn't just oversee the job, he was in it, hands-on, constantly checking his team's work and making sure everything was on track. You could tell he takes pride in what he does. And not just that, he was considerate. One day when we weren't home, he made sure to close our gate. They didn't leave trash, didn't move anything without asking, and even stacked the pavers they had to remove neatly off to the side. Little things like that go a long way. Juan and Jared were just as great! Super polite, focused, and respectful. They asked before touching anything, cleaned up after themselves, and left the space looking better than before. You'd never guess major work had just been done, that's how clean and careful they were. And in the middle of this California summer heat, too. Total champs. We were told the job might take 5 days, but it was wrapped up in 3, and done well. Brian, the supervisor, was also awesome. He kept us updated, answered all our questions, and even coordinated with our neighbors to get a dumpster placed out front. Everyone we dealt with (from office to field) was kind, knowledgeable, and easy to work with. Bottom line: Alpha Structural is the real deal. If you're on the fence, take this as your sign. Their crew treated our home with respect, did the job right, and made the whole process feel way less stressful than we expected. Huge thanks to Francisco, Juan, Jared, Brian, Alfie, Beverly, and Kate. We're beyond grateful and wouldn't hesitate to work with them again in the future. Now we have a solid foundation that we can work it and not have to worry about the structural integrity of our home moving forward. Thanks guys, now my doors/windows won't stick

    new posts and piers, extended left girder

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    1 year ago

    They are consultants not salesmen. I was offered suggestions and options that were tailored to the terrain of my lot

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    Franchesca H.

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    2 years ago

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    3 years ago

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    1 year ago

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    Franchesca H.

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    1 year ago

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    Franchesca H.

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    2 years ago

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    Franchesca H.

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    1 year ago

    Damien arrived on time for our appointment to get an estimate. He was very professional, knowledgeable and friendly.

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    Franchesca H.

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    2 years ago

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    1 year ago

    Samuel Perez came on time and completed his evaluation quickly. He answered our many questions. We were very pleased.

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    Franchesca H.

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    1 year ago

    Damien showed up promptly and explained what needed to be done. He was courteous and answered any questions or concerns that I had.

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    Franchesca H.

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    1 year ago

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    1 year ago

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    2 years ago

    Very knowledgeable ethical and professional. Great guys. I will use them again if needed .

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    3 years ago

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    1 year ago

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    Franchesca H.

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    2 years ago

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    3 years ago

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    1 year ago

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    Franchesca H.

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    1 year ago

    Markian was on time and very knowledgeable about what needed to be done with our home project.

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    Franchesca H.

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    3 years ago

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    3 years ago

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    2 years ago

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    Franchesca H.

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    1 year ago

    Showed up on time and took the time to explain the estimate and work required. Would definitely recommend them.

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    Franchesca H.

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    3 years ago

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    5 years ago

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    2 years ago

    I had David Park out to inspect some foundation erosion. He was knowledgable, thorough and professional.

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    2 years ago

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    2 years ago

    Aldo did a great job with the inspection at my house in Montecito Heights. Thank you for the thorough inspection

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    3 years ago

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    2 years ago

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    2 years ago

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    1 year ago

    They are knowledgeable and skilled. David Park was inspected the house and was thorough and helpful. Excellent work.

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    Franchesca H.

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    Page 5 of 21

    Ask the Community - Alpha Structural

    Looking to add adjoining wall on the inside of our far end wall of the backyard. The other side is the neighbor's backyard. I called and was told cost $100-$500k. Yard is 50 ft wide. Is this avg? what is the bulk of the cost?

    Hi Sol. We had to get a survey done, then soils testing. Lumber and other materials costs are high. The crew had to dig three 14-feet deep piles for the caissons. Every step seemed to require another payment. Our "sister wall" was about 50… 

    How is the warranty the foundation work?

    How much do you charge to inspect a retaining wall just to advise if safe for now and how fast could you get it done?

    Hello! Sorry for the late response to this! Are you a homeowner or is it a property you are looking to purchase or sell? We do have a $350 fee for any real estate transactions, but we do free inspections for homeowners as long as it is within our… 

    View All 5 Questions

    Review Highlights - Alpha Structural

    The next day Brad sent a detailed Observation Letter that documented his findings and outlining solution.

    Mentioned in 77 reviews

    Read more highlights

    JC Retrofit Construction - Our founder and CEO, Juan Arteaga. Juan is a trusted, licensed, general-contractor in the greater Los Angeles area.

    JC Retrofit Construction

    (51 reviews)

    Jefferson Park

    Juan came to inspect my foundation for a seismic retrofitting Project. Out of all the inspectors,…read moreJuan is the most pleasant and thorough, and he has many years of foundation experience that I was looking for. He found things that other inspectors missed and he did not oversell like other contractors did. I immediately feel he is a contractor that I can trust. He explained what my foundation condition is and the detailed steps he would take to bolt and brace it to make it earthquake safe. he even worked with my budget so that I'm able to go forward with this project. Believe me, there were some outrageous quotes out there. Big thank you to Juan for amazing customer service. I highly recommend him.

    Terrible Experience Absolutely terrible experience with this…read morecompany. I was originally told that my plans would be submitted within 3 weeks, but it ended up taking almost 4 months. That was an unacceptable waste of my time. On top of what I was already paying for the plans, I was hit with additional fees that I was not expecting. Then I was quoted $440,000 for a 400-square-foot addition, which was completely unreasonable in my opinion. The entire process was frustrating, expensive, and unnecessarily drawn out. I had to keep messaging them and emailing them to see where we were at in the process. I feel like my time and money were completely wasted. Do your research, get multiple quotes, and be very careful before giving this company your money. I would not recommend them based on my experience.

    Foundation Repair LA - Retrofitted stilt home with caissons, grade beams and steel braced frame

    Foundation Repair LA

    (94 reviews)

    Shadow Hills

    Mark and Matt have visited my home for inspection twice now over the last few years. The…read moreprofessionalism and pride of ownership was clear from the moment they arrived, fashionably early I may add (being on time, an understandable challenge amongst LA contractors). We live in a 70 yr house on a hillside with amazing mountain views; but often besieged by the paranoia of being on a hill. Mark allayed fears both times, answered questions to explain the subtle phenomenon that concerned me every so often, & confirmed everything was normal. Inspections were thorough & no unnecessary work suggested. Often, homeowners aren't knowledgeable about civil and construction work. Speaking to these gentlemen is like speaking to professors who'll tell you clearly if you don't need work; and what you may need 15 years from now. We ended up being advised that nothing was needed to be done. The most remarkable example of integrity.

    The foundation team were professional from the initial contact, on time and willing to help get…read morework completed for the our center to reopen on time. Our 115 yr old center, felt solid and strong after the foundation was replaced. The team of Matt, Mark, Miguel and Juvencio listened to our special requests, cleaned up with precision ( left no evidence of any materials), and made the experience a positive one. We appreciate all the communication, accommodations and overall work performed Our preschool now has a more solid foundation, thanks to the team at Foundation Repair LA!! We highly recommend them.

    Sunshine Foundation Repairs - Foundation repair contractor in los angeles, ca

    Sunshine Foundation Repairs

    (465 reviews)

    Northridge

    Wow, I can't say how relieved I am to have contacted Sunshine Foundation. I was purchasing a…read moreproperty and noticed some of the floors were caved in and bowed, so I reached out to them. They came out the very next day, and Golan was the inspector. He walked me through the entire process and explained everything in detail, including the good and bad things he found, the pros and cons, and what actually needed attention. The house definitely needs some work, but he made it clear that there are solutions and gave me a much better understanding of what the repairs would involve. He also pointed out the good things about the property, which I really appreciated because it wasn't just focused on the negatives. I feel much more confident moving forward with the purchase now that I know what I'm getting into, what can be fixed, and roughly what the repairs may cost. Very grateful for how thorough and helpful he was.

    We reached out to yelp and was inquiring for a a foundation inspection. Sunshine Foundation was the…read morefirst to reach out and was immediately accommodated for the next day. We were on a time constraint which was appreciated. I was sent an inspector by the name of Golan who was knowledgeable , thorough and professional. He came and did the inspection and did a great job of explaining the result of the inspection to me where I could understand it. I would definitely recommend Sunshine Foundation but I would especially recommend Golan to anybody due to his knowledge and efficiency. I was very happy with the inspection and would recommend them to anyone.

    Alpha Structural - contractors - Updated August 2026

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