We had an unpermitted sunroom that was improperly supported. Darren was very professional,…read moreknowledgeable, and responsive. Ignacio did the work for the project, and he is extremely good at what he does and a very hard worker. I am very happy that at least one of our walls is properly supported by a concrete foundation and our sunroom is properly supported from below.

Golden Bay Foundation Builders has been excellent throughout my entire foundation repair and…read moreretrofit process. Our home required a few horizontal cracks patched, and a section of the foundation replaced. We also did a complete retrofit in the process. Darren the project manager has been very communicative throughout and just an overall joy to work with. Special mention to Kyndell who assisted with the inspection process to make sure everything passed. I would definitely recommend this company to any one looking for foundation work!

I can't say enough good things about the work that was done and the great people who did the work…read moreon leveling my home. Levi Sanchez made the process seamless in its execution and follow through. Francisco paid close attention to every detail along the way. The whole process was fascinating. Never have I have any work done on my house where the workers left the place cleaner and more picked up than it was when they arrived. And things looked pretty darn good when they got here. I told them they made the neatest mess. Even the stones along where they dug down for the project were replaced better than I had arranged them. I could go on and on ... Considering how everything went so smoothly before during and after the construction, I don't think I could beat the service and value that I received. I passed Perma Level's info on yesterday to my handyman who sent it to a client of his who may give you all a call. Thank you for a great experience overall.

We hired the PermaLevel Team to level and stabilize our 3 story, 87 year old home foundation. They…read morewere very professional and easy to talk to. I had no doubt that our home was in competent hands. The workers worked very hard for about 18 days. We had 33 push piers in total. Francisco took the time to show me how the push piers worked and shared with us all the steps. Both Levi and Francisco were patient in answering all of our questions. The team was thoughtful and showed up on time every day. They secured our home when they left for the day. Our home is noticeably level now. To add, they were priced fair. The icing on the cake is when they mailed me the certification that the construction done meets all the structural requirements for structural pier placements and copies of all the pier logs and their measurements all nicely put in a folder for our records. We are all set for the roof top deck now! Thank you Levi Sanchez and Francisco for a job well done.

We hired Groundworks to address foundation settlement at our townhouse and had four push piers…read moreinstalled. John Giuffre did the initial inspection and elevation survey and put together the proposal. He took the time to explain what the readings meant and what the piers would and wouldn't do. I really appreciated his honesty and support. The pricing was competitive. The install crew -- Angel, Jonathan, and Diego -- was the highlight. On time both days, explained each step, and answered every question I had. The site was left clean, and the excavations were backfilled neatly. For a job that involves digging under your foundation, it was about as smooth as I could have hoped for.

Groundworks did a great job adding a beam to add strength to our home foundation. Cody arrived on…read moretime and inspected our sub floor area. He was very easy to communicate with and provided a thorough inspection along with a cost breakdown. TJ and his team arrived to install beam to add more support to living room floor area. They were extremely professional from start to finish. They arrived on time and took the time to thoroughly explain everything before beginning the project. Throughout the process, TJ kept me informed and made sure I understood what was happening every step of the way. TJ and his crew worked carefully, professionally, and thoughtfully to ensure the project was completed without causing damage to our home. I truly appreciate the care, attention to detail, and professionalism TJ and his team put into the entire job. I would highly recommend Groundworks!

Jonathan is an absolute gem. He is so down to earth, smart, kind, and you can tell he cares about…read morewhat he is doing and about the customers. He has over 19 years of experience, started from one of the first companies to do this well out in the bay and then branched out to his own company, where it's clear he wants to commit to doing a good job for the customers versus just making a large profit. We got a quote from another company who was running a ton of ads and it was very clear after meeting and talking to Jonathan that the other company was in it for the money and the biggest job possible. Jonathan came in, sat down, explained ALL the issues. Drew pictures for us to understand better since it was clear that we were over our heads(esp since we spoke with the other company that made it seem like our house was a danger to be living in) then he continued to explain all of the structural components of our house and how it helps with the safety/etc(NONE of this was done by the other well known/IG ad pushing company). He took his time, went over different options, gave us rough estimates for both. Suggested and gave a list of people he suggested for soil reports(Within less than an hour of meeting us). Broke down costs and said YOU SHOULD NOT HAVE YO PAY MORE THAN THIS and laughed as I added extra for what if's. He was such a lovely person and his quote was WAY less than the other company who only gave us one very expensive option and then didn't even bother to send a full estimate (groundworks) I immediately wanted to work with him right after and plan to. Highly suggest him for any of your foundation needs. Save yourself time, no need to get other quotes from other companies and just go with him:)

Golden Gate Foundation Repair is hands‑down the most reliable and professional team I've worked…read morewith. From the first inspection to the final walkthrough, their crew was punctual, transparent, and incredibly knowledgeable. They explained every step of the process in plain language, gave a fair and detailed estimate, and delivered exactly what they promised. The quality of their work shows, my home feels solid, level, and secure again. They treated the property with care, cleaned up thoroughly, and made the entire experience stress‑free. In an industry where trust really matters, Golden Gate Foundation Repair absolutely stands out. Highly recommend them to anyone in the Bay Area who needs honest experts and top‑tier craftsmanship. Way better than a "competitor" who came by and all they cared about was upselling, not knowing I have a background in foundation of course. Now, I know who to recommend to family and friends!

Jose ran a large, complex project at my house which involved foundation work, working with…read moreengineer, and rebuilding the interior. While we clashed a few times, I'd like to highlight a few things: Jose gets the job done. His planning is reliable and you can count on it. They were the ones who gave me my house back. They even came back for two small follow ups, no questions asked. I recommend, especially for structural work, and beyond.

I would like to thank Jose and Junior for their great work…read more I shared my concern about rainwater coming toward my house during heavy rain, and about the drainage hole that is often blocked by leaves or by people purposely dumping their dead leaves. Jose designed and fixed the area in a way that properly blocks the water and also looks very nice, clean, and professional. On the last day of the cleanup, they cleaned everything very well. Junior is very friendly, and just like Jose, he is very helpful. Jose is not only experienced in concrete work -- he also has experience handling many different types of issues. He is very patient in answering questions and clearly explains what he is doing and why it is done. I truly appreciate their hard work, and I will definitely work with them again in the future.

Go visit my Google review where I give details to the excellent experience we had with our…read morefoundation lift here in Petaluma, CA. They exceeded my expectations and left the home level and clean. I checked several companies before I chose Xalos for our work. Good people, skilled crews, friendly hardworking, knowledgeable. The company has a family vibe to their business.

Did not do the job right,unprofessional, doesn't stand behind his job,lack of workmanship.read more

i cannot say enough about what a good job the crew that did my work was. They were kind curtious…read morepromp and very professiona. I work in Real Estate and would advise my clients with Foundation issues to use this company. NorCal Foundation did a fantastic job. Sincerely

I contracted Norcal Foundation Support in July 2025 for what was supposed to be a two-week, $52,130…read morefoundation stabilization project at my hillside home. What followed was nearly a year of mismanagement, broken commitments, and financial consequences I'm still dealing with. They no-showed on the agreed start date. I called them at 10am to find out why -- they told me they were stuck on another job. No warning, no proactive communication. It only got worse from there. The job stretched into months of sporadic work. Midway through, they told me they needed a subcontractor for core drilling -- something that should have been identified during scoping -- then let months pass without scheduling one. My property sat in a hazardous state the entire time: open holes covered only by wood boards, piles of excavated dirt, debris, and equipment surrounded by caution tape. My homeowner's insurance company conducted a routine inspection, found the condition of my property unacceptable, threatened to drop my policy, and ultimately imposed a $2,000 surcharge. Resolving that took significant time and effort. Faced with no resolution in sight, I was pressured into accepting a reduced scope of work -- specifically, no tiebacks. Tiebacks were explicitly included in my signed contract and shown on the job drawing. Without them, there is no guarantee my home will remain stable on the hillside. I paid $52,130 for a project that does not solve my problem. After agreeing to the reduced plan, it took more months to redraw plans and pull permits, then more weeks to schedule the final visit to seal holes and reconnect drainage. On that scheduled day, they no-showed. Again. When they arrived the next day, they left without finishing. Their excuse: my gardener had told them not to proceed. My gardener -- someone I know well and trust -- told me he said no such thing. Norcal did not just take direction from someone with no authority over my contract. They fabricated an excuse to walk off the job. This company demonstrated the same pattern of behavior from the very first day to the very last: no communication, no accountability, and no follow-through.

Can you imagine a construction project on your house that is practically stress-free? I researched…read moreother companies and had more than one bid on the earthquake retrofit and I am delighted that I chose Bolt Down the Bay Area. From the owners to the office staff to the crew that did the work, everyone was extremely courteous and helpful. The city inspector told me he was impressed with their excellent work.

Seismic Retrofit, a great additional value for any house. Since the very first contact I felt I was…read moredealing with professionals. My initial emails were answered in a timely manner and mostly important with many explanations to guide me through the process. Step by step (inspection, drawing plans, permits, construction, approval) we followed the progress of the job that was finished on schedule. The crew that came to perform the installation was lead by Luis, a great site manager who took care of many sides of the job. Not only he and his team performed the job diligently but Luis helped me also by answering questions I had during the installation. After 7 hours of working non stop they cleaned the basement and my garage, leaving them in better conditions than when they arrived! Highly recommended! A+

Marshal and his team did a fantastic job repairing and replacing our door. Marshal is…read morestraightforward, knowledgeable, communicative, and clearly holds his work to a high standard. His crew was skilled, fast, efficient, and very respectful of our home throughout the process. Most importantly, Marshal is someone I trust to give an honest assessment and make sure the job is done right. I'd absolutely recommend him, and I'm already looking at future projects to work with him on.

Marshal is amazing! He came out to the property I'm buying, gave a thorough analysis of the…read morefoundation and drainage, and explained in a way that gave me a chance to learn a lot. He also didn't charge for the consult, saying he could do it for free if I didn't need a written writeup. I'll definitely go with him when it's time to do this work. 100% recommend! More small businesses need to take a page out of Marshal's book.

Danny knows his foundations like no other. He has worked with clients I've had for decades…read moresuccessfully completing difficult jobs. I've seen first hand his quality of work and I would recommend him and his team over any large sales pitch companies. Truly a master of his trade.

This company is one of a kind. The situation they dealt with seemed like a nightmare but these…read moreknights in shining armor take on the challenge and get things done. I thought our work building was done for until FSS fixed our foundation and we were able to keep our jobs! All their crew takes precautions and safety seriously as you can see In the picture!