About
For over 20 years, Complete Basement Systems and Peak Structural have specialized in helping homeowners with foundation repair, basement waterproofing, crawl space encapsulation, and concrete needs.
Rod Martin founded Complete Basement Systems (CBS) in Denver, Colorado. In 2019, CBS partnered with Groundworks, the nation’s leading and fastest-growing foundation and water management solutions company. Peak Structural was founded by Paul and Lisa Sutton in 2002. Peak has since joined forces with Complete Basement Systems to unite under one brand.
Now operating as Groundworks, these exceptional teams provide high-quality foundation repair, basement waterproofing, crawl space encapsulation, and concrete needs with personalized services across the state. Wet basements or crawl spaces can cause mold and odor and can create long term damage to the home’s foundation if left untreated. Cracked concrete slabs cause tripping hazards and can decrease property value. Not only is this a detriment to your home, but it also poses a health risk to you and your family.
By combining the national strength and resources of Groundworks with the local experience of our dedicated team of industry experts, fully-trained technicians and industry-leading products, Groundworks is here to restore your foundation or basement.
Services Offered:
- Basement Waterproofing
- Crawl Space Repair
- Sump Pump Installation
- Foundation Repair
- Concrete Lifting and Leveling
- Interior Slab Leveling
- Structural Repair
- Vapor Barrier Installation
- Dehumidifier Installation
Google Reviews
50 Recommendations
Overall, very nice and very professional.
Class act. Both the estimator and technician performing the work were very professional. Somebody did a great job hiring these two.
Very satisfied with the work performed on my crawl space. All the people involved were helpful and courteous. Would use this company again.
My installation crew was the best. They do very hard physical work in not the best of conditions ie basements and crawlspaces. They took the time to explain everything they did and why. They were all very nice and respectful. The scope of our project changed when they had to use an alternate product which took longer to install. They stayed and worked until the job was done and done properly. Digging and filling concrete work is not the most glamorous of careers - but these guys took pride in their work and it showed in their attitude and in the final result.
Truly outstanding service. There was excellent and continuous communication between the company and me and got me scheduled in short order. The rep was prompt and professional. Most of all, he was exceedingly knowledgeable, informative, and helped me understand all the process and testing for my house. I was very very impressed and will call them again if needed. I would HIGHLY recommend this company and the rep who responded.
Nathan and his crew were terrific. They worked really hard on some extremely hot days. I am grateful for their diligence and great attitude.
I feel everyone is very knowledgeable there. Tina is awesome in her role there, very helpful, and got back to me quickly on questions I had. Cameron seems so young, but he is very knowledgeable and the more he talked and explained things, I could tell he knows his stuff. Will and his crew were excellent and explained things very well. I am hopeful the warranty is as good as it sounds so if I ever have problems, it will be covered.
I would recommend this to anyone, and in fact have to a couple people in my neighborhood and at work. It was well worth the cost. I never would have thought my husband and I would be sitting in the crawlspace having a conversation while marveling at what work had been done! I can't thank you enough!
Brian and his crew should be congratulated for the great work that they did. These days it is refreshing to see individuals that are so conscientious when it comes to work.
The crew was excellent. They showed up as advertised and completed the project on time. They took minimum breaks, explained what they were doing, answered questions and were extremely courteous and professional.
They were the only company that I found that could do the job that I needed. One of our window wells would fill with water and would not drain properly. The cost was very reasonable for the job required and I didn't feel like they did more then they needed too. The crew that came out were great and very quick. They cleaned up their mess and more. The job they did was first rate and completely fixed the problem. Top rate service! Thank you!
Jenna was fantastic! He was very knowledgeable, friendly, and interested in making sure I understood what he was doing and our system. Great experience!!!!!
Joe Lally is extraordinary . . . so patient, a teacher as well as a sales rep, friendly, and professional. I deeply appreciate all the time he gave me. His care and concern creates faith in the company he is representing.
Very happy with their work and how the job came out. Gabe’s crew did and amazing job!
Extremely happy with Jose and his crew. Jose was very nice, respectful and simply amazing! Though things started off rocky with the job needing to be rescheduled, the company "Wowed" and can't thank you enough.
They did a wonderful job, went above and beyond, cleaned up and left the home better than it had been before they arrived.
Jacob was fantastic and did an amazing job. The garage looks great. Very happy and will definitely recommend the company to family and friends.
Jason did a great job! He was personable and didn't mind taking the time to answer questions or explain what he was doing.
The crew worked really hard, I have never seen such hard workers & they deserve a pay raise. They left the house spotless which was a real joy because that never happens. The crew was amazing!
I was blown away with Agustin and his crew. The guys worked extremely hard and were very professional. They seemed like they took a lot of pride in their job and truly cared about the home, they were not just content with getting a paycheck. Will highly recommend the company to friends and family.
Jonathan was very courteous and patient. He didn't interrupt and waited for my full explanation of my concerns. He presented himself very personable and professional. I can tell he was here to help me. He also has an energetic look in his eye.
Michael did a fantastic job, he is a really good person, knowledgeable, and does an excellent job representing your company
Very happy with Rogelio and his crew, they were amazing. Could not believe how professional and experienced, and thoughtful he was. They did a great job on the foundation.
We were very happy with the entire experience of waterproofing our crawlspace. The entire team was great from Sebastian through Melvin and his crew. They were all very professional and courteous!
Jason was very friendly and thorough when he came to teach me how to tighten my wall anchors. He was extremely professional and courteous throughout the visit!
Jason gave me outstanding service when assisting with my sump pump! He took the time to explain the entire system in more detail and really gave me a better understanding of how my sump pump works.
I needed a service appointment immediately, but could only fit today on my schedule. Casey was completely booked, but instead of her saying "too bad" she called the service guys until Mike was able to come out. She even rearranged her schedule to get him in. That's redefining service! Casey definitely deserves an award for her superior effort!
I wish to call to your attention what a marvelous experience I enjoyed with Bill Richards. He is wonderful; courteous, friendly, thorough, informative, engaging and very responsive to questions and discussion points to clarify understanding. As you are aware, I have quite a situation and it was remarkable that in all the meetings I have had regarding this matter, my meeting with Bill was excellent and I was treated with abnormally great respect as compared to other meetings on this topic. Being female, I have only met males in this process. It is often challenging as it is not expected that I am the decision-maker or that I have thoughts on the subject. Not a problem with or for Bill, and yes, he is the only person who did not ask where why my husband was or when he might be around to make decisions and/or call with questions.
You must know that Bill Richards is an excellent and knowledgeable representative of your firm. It is a joy to share what a positive experience it was to meet Bill. Thank you.
Thorough and honest. Hauled trash away and everything is in its place.
Excellent - Clear. Didn't try to over -sell.
The salesman was professional and helpful through the process. The clean up was fantastic. I think it was cleaner than before they were here. Thank you for completing the job efficiently and on time.
The whole process was quick! The crew worked with me to arrive while I was at work-left key under front door mat - crew would come in & lock up when finished.
Crew was excellent and Armando was great!
Your crew did a great job. They finished in 4 1/2 days, much faster than we expected. The concrete slabs were very nicely done and none of my precious perennials were damaged!
The clean up was "very satisfactory. Would recommend this company.
He (Gary) was very knowledgeable, he was able to answer all my questions. I was interested in having my basement cleaned and enclosed. They carried all of the trash out. I am very pleased with the work that was done. The staff was courteous and workd hard.
The inspector was professional and very nice to talk with and took care of the bid right away. Good guy!
The guys worked hard and did a wonderful job. They cleaned up nicely even with the snow. Very happy.
Yesterday, your company sent three extraordinary men to begin work on my project. Knowledgeable, friendly, and courteous, they worked non-stop throughout the day. They are clearly the face of your business and you can be very proud of each one of them. They deserve every accolade your company extends to their workers. Even the electrician, hired separately, could not believe that they had accomplished that amount of work in so few hours. He was very impressed, as were the neighbors (who were hoping that their houses could escape the inevitable!). Thank you!!!
Rick is great to work with. Your pricing is higher than competition but the workmanship and pride taken in your jobs has been worth the higher price point. Warranty is excellent too.
For what was otherwise a miserable experience, your company was the one bright spot.
Dave was wonderful. Great human being. I look forward to the next time I work with your company.
I thought the team was very friendly and professional. I am very pleased.
Good presentation. Good job.
This letter regards my recommendation for Complete Basement Systems, Inc. I have worked with Complete Basement Systems over the past years on multiple projects. I have found them to be proficient in a wide variety of foundation and basement repair and remediation methods, including foundation piering, waterproofing solutions, anchor installation, and foundation drain systems. I can also attest to their construction capabilities, including structural concrete, flatwork, miscellaneous steel and wood framing, and moisture management.
This letter is in regards to my highest recommendation for Complete Basement Systems, Inc. I have been a Structural Engineer for 12 years with extensive experience in foundation design and repair. I have worked with Complete Basement Systems, Inc. for over a year on approximately 50 projects. It has been my business practice for years not to give out contractor recommendations but gladly and regularly make an exception to this rule when regarding Complete Basement Systems, Inc. They are very proficient with a wide variety of foundation and basement mitigation/remediation methods including helical piles, push piers, wall anchors, helical tiebacks, basment waterproofing and foundation drains. They are also adept with structural concrete, miscellaneous steel and wood framing. In addition, I have found their crews to be very professional, considerate and curteous when dealing with customers.
Everything was explained thoroughly and [he] had samples for us to see and examine. Did not know anything could be done with our "ugly" crawlspace until I saw your flyer with the before and after picture. Now out crawlspace is a usable space. Thank you.
Painless process, very efficient.
Very informative. Did not pursue other offers.
They did a great job. I was interested in trapping the dust coming into my house from the sand in the crawlspace. This really worked!
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