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Foundation Repair & Basement Waterproofing in Denver-Boulder, CO

If your home is settling or heaving, you’re not alone. Foundation damage is common throughout north central Colorado, but you can restore your home’s safety and stability with the right repairs.

GW Production Staff with Jackhammer

4686 Ivy Street
Denver, CO 80216

We’ve Merged! Complete Basement Systems and Peak Structural are now Groundworks.

We’re not just experts. We’re also your neighbors. We understand what the Colorado environment does to homes and their foundations. That’s why we go the extra mile.

Groundworks Expert Stabilizing a Foundation

Foundation Repair

Your Denver home is prone to foundation cracks, nail pops, and sticking doors and windows. Learn how the soil and weather have a big impact.

GW Crew installing concrete lifting with truck

Concrete Lifting

Do you notice a sinking patio, sidewalk, or driveway? If so, you’re risking a serious tripping hazard.

Person in work clothes adjusting a metal support beam under a wooden structure.

Crawl Space Repair

Crawl Space encapsulation protects your home from water damage, high humidity, and mold growth. The experts at Groundworks can help.

Groundworks employee encapsulating with vapor barrier

Basement Waterproofing

Homeowners in Denver are familiar with a wet, moldy basement or crawl space. Learn how to repair problems permanently.

Groundworks Provides Professional Foundation and Crawl Space Repair

As the most populated city in Colorado, Denver homeowners deal with their share of foundation, waterproofing, and crawl space problems. If your home is experiencing foundation cracksuneven floorsmusty odors, or sunken concrete slabs, it’s likely the area’s soil and weather conditions are to blame.

Homes, both big and small, new and old, experience problems regardless of foundation type. The soil in Denver is poorly drained clay loam. This is one of the most problematic soil types for foundation construction. Clay soils absorb and hold water, causing molecules to expand. This added water content puts pressure on basement and crawl space walls, causing them to crack and bow inward. During dry periods, which are common since the area sees less than average rainfall per year, the clay loam soil shrinks, leaving voids that are unable to support a home. A sinking foundation leads to cracks and sloping floors throughout your home. Additionally, cracks provide the perfect entry point for water and cause costly damage. 

Groundworks offers various waterproofingfoundation, and crawl space repair options. Our innovative, permanent solutions are backed by long-term transferable warranties for peace of mind. With more than 20 years of living and working in the Denver area, you can trust we aren’t going anywhere and will be there if you need us. Let one of our trained inspectors walk you through our custom solutions to solve your home’s unique problems. 

Our Simple Process

1. Schedule Free Inspection

One of our contact center representatives will reach out to you to determine your problem and set the best time for one of our certified field inspectors to visit your home.

2. Consult with Our Certified Inspector

Our certified field inspector will visit your home to observe the problems in your home and inspect other areas of your home that may have been impacted.

3. Installation of Customized Solutions

Our professional production crew installs patented solutions in each home with care and strives to leave the area better than we found it.

Schedule Inspection

Top-Rated Service

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Common Issues in Denver

Reviews from our Denver Customers

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Kalen O. Came out and did a thorough inspection of our home. He checked every area of the house and presented multiple plans of action,…

Kalen O. Came out and did a thorough inspection of our home. He checked every area of the house and presented multiple plans of action, while showing us financing options for each. If you need a foundation inspection, we can confidently recommend Kalen O. with Groundworks.

Brian Schreckinger

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Groundworks did an excellent job. The crew Blake, Travis, Jayce and Vincent were all very professional. They explained everything they…

Groundworks did an excellent job. The crew Blake, Travis, Jayce and Vincent were all very professional. They explained everything they were going to do and what they have done. Great job!

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Earlier today, Mike Gold from Groundworks inspected our sump pump and seal lining that was installed last year. Despite a long drive to…

Earlier today, Mike Gold from Groundworks inspected our sump pump and seal lining that was installed last year. Despite a long drive to the mountains from Denver, Mike was right on time. In fact, Mike thoughtfully called beforehand to see if ok to come about an hour earlier, and texted me when he was 5 mins away. Mike’s demeanor was both professional and pleasant. Mike did a full inspection and test of the system, as well as re-attached part of our crawlspace seal lining to our wall, in 30 minutes. Mike showed me photos, and even looked for potential mouse droppings at my request. For our future inspections, I’m going to ask for Mike. Groundworks is fortunate to have him on their team. Thanks again Mike.

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Groundworks was absolutely incredible! From start to finish, their team was professional, efficient, and a pleasure to work with. Curtis…

Groundworks was absolutely incredible! From start to finish, their team was professional, efficient, and a pleasure to work with. Curtis Allan, our Certified Field Inspector, thoroughly explained the entire process and answered all our questions, making us feel confident in our choice. The crew, Ryan MacNeal, Alejandro Amaya, and Angle Morales, were incredibly efficient, completing the project quickly while maintaining outstanding quality work. We highly recommend Groundworks to anyone needing foundation repair!

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Gotta give a huge ups to the Groundworks team who came and finished my crawlspace withint 4 hours: Ovidio Herrera, Brendon Rodrigec, and…

Gotta give a huge ups to the Groundworks team who came and finished my crawlspace withint 4 hours: Ovidio Herrera, Brendon Rodrigec, and Antonio Bonilla. These guys were so professional, kept the house tidy, and were in and out. Thank you to them for helping me!

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Mike Kilduff did an honest inspection, and found no problems. He was on time and friendly. I would call them agian and I'm telling my…

Mike Kilduff did an honest inspection, and found no problems. He was on time and friendly. I would call them agian and I'm telling my neighbors about Ground works.

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Had an old sump pump replaced with a modern system The experience was positive from start to finish. The initial inspector was exceedingly…

Had an old sump pump replaced with a modern system The experience was positive from start to finish. The initial inspector was exceedingly thorough, patient, fair, and able to give detailed yet easy to understand explanations. Luis and his installation team were highly experienced, conscientious, quick, and neat. Every single person I dealt with at Groundworks was good at their job, but on top of that, kind, communicative, and willing to go the extra mile. Highly recommended.

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The crew did a fantastic job. I am very pleased with the materials that were replaced and the basement is now in better shape than when I…

The crew did a fantastic job. I am very pleased with the materials that were replaced and the basement is now in better shape than when I bought the house. Super pleased!!

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Big project in our basement, and it couldn’t have gone better! Luis, Ramon, and Rodrigo are experts at what they do and are true…

Big project in our basement, and it couldn’t have gone better! Luis, Ramon, and Rodrigo are experts at what they do and are true professionals! Installing 2 sump pumps, a water barrier, cutting a trench in the concrete for a French drain, and burying the exit pipe outside to make it as indiscreet as possible in the front of our historic home. Their communication throughout the entire project was excellent- they filled us in on and showed us what they were doing every step of the way. They treated our home like it was their own, taking extra time to make sure the work looks excellent, cleaning up after themselves, and even going the extra mile to blow all of the leaves off of the sidewalk in front of our house to not track them in! We couldn’t recommend Luis and his crew enough!

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Having concerns about the foundation of your home can be overwhelming. I am so grateful to have found Groundworks! From the moment I…

Having concerns about the foundation of your home can be overwhelming. I am so grateful to have found Groundworks! From the moment I started talking with them it was clear that customer service and professionalism is their top priority. Kalen the project manager arrived right on time, and was incredibly thorough in inspecting my home and spending time with me to make sure I understood his findings. Often when I’ve had basic assessments it’s with an estimator who will have no connection to the work, and I value the fact that Groundworks sends the person who would manage a possible project for the initial inspection. I highly recommend them!

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Mike Gold was friendly and knowledgeable. Work performed a year ago has been holding up, super happy with them

Mike Gold was friendly and knowledgeable. Work performed a year ago has been holding up, super happy with them

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We have been a customer of Rod Martin and now Groundworks for several years. Our initial Fun started with a complete encapsulation of our …

We have been a customer of Rod Martin and now Groundworks for several years. Our initial Fun started with a complete encapsulation of our crawl space and installation of sump pump. Later work included wall anchors, a basement perimeter drain and installation of additional drain pipe under a new basement pad. Big expense over the years but results have been extremely positive!! Annual service has been great. Today, due to a prior job going longer than expected, our serviceman Mike was delayed. Instead of having to re-schedule, Matt Davidson came out to perform the work on his way home. We really appreciated his timeliness, thoroughness and explanations. Ground Works should be proud of Matt's involvement and expertise.

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Groundworks sent an excellent crew headed by Gabriel Amaya with Juan, Mauro and John. Their first action was to ensure the work area of the …

Groundworks sent an excellent crew headed by Gabriel Amaya with Juan, Mauro and John. Their first action was to ensure the work area of the basement would be dust free by enclosing the area with plastic. They were familiar with the bentonite clay soils below and had proper equipment to install new pile foundations and the two columns for support of the upper floor. I was impressed with Groundworks' versatility in handling the adverse soil conditions and their neat work habits.

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We had Michael Gold as our field inspector, he was thorough and pleasant to work with!

We had Michael Gold as our field inspector, he was thorough and pleasant to work with!

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Prince Miles and Cleveland Buckley did an exceptional job. They notified us prior to their arrival and were very clear in their explanation …

Prince Miles and Cleveland Buckley did an exceptional job. They notified us prior to their arrival and were very clear in their explanation of work to be done. Their workmanship was very neat and they cleaned up the job site as they worked. They answered all our questions and were very patient as we were very curious about materials being used, etc.

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Garage and driveway leveled and sealed. Staff was prompt. They were easy to work with and did not leave until you were satisfied with the …

Garage and driveway leveled and sealed. Staff was prompt. They were easy to work with and did not leave until you were satisfied with the work.

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We are very happy with the service provided by the entire Groundworks team. Our inspector Nick was thorough and extremely patient with us…

We are very happy with the service provided by the entire Groundworks team. Our inspector Nick was thorough and extremely patient with us as we worked through the various water related issues and solutions. We appreciated his knowledge and detailed explanations. On install day we had two fabulous crews that did the work. Franciso, Rene and Carlos replaced our sump pump and had the super tough job of digging the trench for the discharge line. They were on time, professional, courteous and made sure everything was left neat and clean. The concrete lift crew of Manuel and Carlos also did a great job. Everyone did such a good job of communicating expectations and keeping us informed as work progressed. I would highly recommend Groundworks to my friends and neighbors.

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We had our driveway and front porch steps stabilized. Alexander Fancher is great to work with. He explained everything thoroughly and was…

We had our driveway and front porch steps stabilized. Alexander Fancher is great to work with. He explained everything thoroughly and was always on time and did what he said he was going to do. These days that is really appreciated. Alexander checked the whole driveway and not just the part that had sunk.

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Mike Gold came today to solve a problem with my sump pump. He is a true professional with people skills as well as work competency. I must …

Mike Gold came today to solve a problem with my sump pump. He is a true professional with people skills as well as work competency. I must say it was such a relief to have such a positive experience. And to have Groundworks stand by its warranty. Mike a huge thank you. Susan Patterson

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Our garage was too high in the middle, so Groundworks lifted it so the door could close properly. They also filled under our porch &…

Our garage was too high in the middle, so Groundworks lifted it so the door could close properly. They also filled under our porch & driveway so it will not sink. Great job. Mike Wrenn & Benita Algiene were excellent at support and going the extra mile. Thanks

4686 Ivy Street
Denver, CO 80216

All times are listed in MT

Mon
5:00am – 9:00pm
Tue
5:00am – 9:00pm
Wed
5:00am – 9:00pm
Thu
5:00am – 9:00pm
Fri
5:00am – 9:00pm
Sat
6:00am – 9:00pm
Sun
8:00am – 9:00pm
Schedule Free Inspection