About

Complete Basement Systems is a local family owned and operated company dedicated to fixing basement, foundation, and crawl space problems.

Whether you have walls bowing, cracking, or heaving, mold growing on or under your structural basement floor, or water intruding under or through your basement walls, Complete Basement Systems has a solution for your Denver metro basement or crawl space problem.

They are dedicated to complete customer satisfaction on each and every job. Just tell them what problems your home is experiencing and they will send an expert to assess the problem if there is one, and what an appropriate solution is.

They are members of local groups like Douglas Elbert Realtor Association, the Better Business Bureau, South Denver Realtor Association and national groups including the National Society of Professional Engineers, the American Society of Home Inspectors and more. In 2016, they even won the Torch Award from the BBB for their continued commitment to ethics and excellence in the industry!

At Complete Basement Systems of CO, they take great pride in providing noting but the best customer service to all the homeowners all over the state of Colorado.  For more company information, be sure to check out these listings on Facebook, Twitter, Yellow Pages, and Yelp.

Complete Basement Systems offers you different payment options that include all major credit cards and 100% financing. Call or contact them for a free estimate today! They look forward to helping you with your basement and foundation problems in Colorado.

Services Offered:


  • Basement Waterproofing
  • Crawl Space Repair
  • Sump Pump Installation
  • Foundation Repair
  • Concrete Lifting and Leveling
  • Radon Defense

Google Reviews

Complete Basement Systems Rating: 4.8

Katherine Conyers

Nov 11, 2019
Extremely professional! We had our foundation stabilized with piers. They gave us a fair quote and explained the process in detail so we didn't […]

William Metzker

Nov 12, 2019
When we arrived here in 2012, the annual inspection cost was $99. It increased to $125 the next year. Okay. Last year, 2018, it […]

Beth&Halle Austerberry

Nov 01, 2019
Zach and his crew were on-time, very professional, and efficient. I was updated daily on the progress of the job so there were no […]

Karen Weber

Nov 14, 2019
We just had our first annual inspection of our sump pump and drainage system put in by Complete Basement Systems. The service technician, […]

Kate Zerbi

Oct 31, 2019
As a former employee, I was able to build relationships and work very closely with the field inspectors. Daniel Pierce was always very […]

50 Recommendations

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Very happy with their work and how the job came out. Gabe’s crew did and amazing job!

Mark D. of Arvada, CO

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.

Christy W. of Broomfield, CO

They did a wonderful job, went above and beyond, cleaned up and left the home better than it had been before they arrived.

Travis S. of Thornton, CO

I must say I have found CBS a wonderful firm to work with. Everyone from Scott M. to Jesus, Manuel, & Agustin have been reliable, knowledgeable, professional and helpful. I also appreciate the accounting folks, you all deserve high praise.

Frankie S. of Arvada, CO

Jacob was fantastic and did an amazing job. The garage looks great. Very happy and will definitely recommend the company to family and friends.

David E. of Littleton, CO

Jason did a great job! He was personable and didn't mind taking the time to answer questions or explain what he was doing.

Jane A. of Greeley, CO

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!

Christine L. of Greenwood Village, CO

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.

Byron V. of Lone Tree, CO

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.

Angelina B. of Denver, CO

Michael did a fantastic job, he is a really good person, knowledgeable, and does an excellent job representing your company

Paul N. of Golden, CO

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.

Pam M. of Denver, CO

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!

Patrick & Joan C. of Littleton, CO

I was so impressed with the entire Complete Basement Systems organization and their process. Amber and Scott were especially helpful! I didn't need the work done right away, but I did it anyway just to do business with this extraordinary company!

Michelle B. of Boulder, CO

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!

Becky L. of Centennial, CO

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.

Tom O. of Centennial, CO

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!

Ken R. of Colorado Springs, CO

Daniel came out to perform my final inspection and was truly amazing! He listened to all of my questions and concerns and answered them completely. He really blew me away with his entire follow up inspection. He is definitely one of Colorado's finest and a star on a Complete Basement Systems team that provides outstanding customer service! He definitely made me a loyal customer. I will always call Complete Basement Systems to solve any future problems!

Frank H. of Arvada, CO

Everything about the job went great! Armando was a lovely person and the team worked really hard the entire time! They showed concern about making everything turn out perfectly and definitely exceeded my expectations. I will definitely be referring Complete Basement Systems to my friends and family!

Nancy L. of Denver, CO

Jacob Bass and Jose did a fantastic job bringing up and leveling off a portion of our driveway that sunk and had become a tripping hazard. They were professional, answered all my questions and even showed me how to seal additional cracks in the driveway, and even provided the sealant at no additional cost. This was much more cost effective rather then replacing the entire driveway. I recommended them to a neighbor who was driving by and would HIGHLY recommend them to anyone. WAY TO GO COMPLETE BASEMENT SYSTEMS!!!

Lynda S. of Aurora, CO

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.

Mary R. of Fort Collins, CO

Very courteous and helpful staff, the salesman knew his product and sold it well. The prompt return of calls and immediate installation date was what led me to Complete Basement Systems. Jose and his crew were wonderful!

Erik B. of Denver, CO

I do believe your company provides a quality product.

Wyndy B. of Denver, CO

Thorough and honest. Hauled trash away and everything is in its place.

Matt C. of Thornton, CO

Excellent - Clear. Didn't try to over -sell.

David M. of Thornton, CO

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.

Nicole B. of Thornton, CO

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.

Leveda M. of Thornton, CO

I was led to select Complete Basement Systems, Inc. because of the salesman presentation, and the system.

Richard W. of Denver, CO

Crew was excellent and Armando was great!

Kat W. of Denver, CO

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!

Suzanne P. of Denver, CO

The clean up was "very satisfactory. Would recommend this company.

Nina L. of Denver, CO

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.

Angie W. of Denver, CO

The inspector was professional and very nice to talk with and took care of the bid right away. Good guy!

Rick F. of Denver, CO

The guys worked hard and did a wonderful job. They cleaned up nicely even with the snow. Very happy.

Tim P. of Denver, CO

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!!!

Janice P. of Denver, CO

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.

Garrett J. of Broomfield, CO

For what was otherwise a miserable experience, your company was the one bright spot.

Peggy F. of Denver, CO

Based on my past experience with your company and the proposed solution I have confidence that the recommendation will solve my foundation settling issue. You really do run a very professional organization. It's nice to be able to have a company like yours around. You do what you say and can communicate clearly, you keep tight schedules and don't waste time. Thank you very much for all that.

Scott T. of Denver, CO

They work so efficiently. My 2 garages were completed in no time and the job was perfect.

Linda S. of Denver, CO

Dave was wonderful. Great human being. I look forward to the next time I work with your company.

Matt M. of Denver, CO

I thought the team was very friendly and professional. I am very pleased.

Michelle C. of Denver, CO

Great crew - nice, polite guys. Thanks.

Marc L. of Denver, CO

Excellent. Thanks Again.

Gary P. of Denver, CO

Good presentation. Good job.

James T. of Denver, CO

This note is to let you know how pleased I am with the results of the work Alejandro and his crew accomplished for me this week. Not only were the guys professional in the approach to their work but they were proactive in approaching the job with the best esthetic results. This is not the type of work one looks forward to but when it is done professionally with the least amount of mess and customer grief, believe me, it is much appreciated. Please give your guys a "WELL DONE" in my behalf.

Dale M. of Denver, CO

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.

Edward F. of Denver, CO

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.

Michael S. Ziehler Ziehler Engineering, LLC

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.

Mike of Denver, CO

Painless process, very efficient.

Jim S. Denver, CO

Very informative. Did not pursue other offers.

John D. of Denver, CO

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!

Martha G. of Denver, CO

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Warehouse Assistant
Assists in maintaining the company’s warehouses, grounds, product inventory, and tool inventory. In the case of a Warehouse Foreman, helps...
Customer Service Representative
Department- Call Center Reports to- Manager Job Class- Non-Exempt Job Status- Full Time Follows up on proposals written by System...

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