For about 20 years, Complete Basement Systems has served Bellvue and the Greater Denver area by providing basement, crawl space, concrete leveling, and foundation services to your home improvement needs. We are a trusted company with technicians that are highly trained, ensuring all your work has expert quality.
Our skilled specialists are here to ensure your wet basement won’t negatively impact your family. A home assessment from one of our skilled technicians will determine your home’s basement and crawl space issues and how they could to repair them.
When your foundation is constructionally damaged, it can affect the overall composition of your home. Trust the foundation repair and crack specialists to make sure your house is safe and structurally sound.
A shifting, weak soil base can cause your concrete slap to be sunken in. When your home’s surfaces are uneven, you are limiting your home’s full potential and exposing your loved ones to a dangerous falling hazard. A PolyRenewal solution from Complete Basement Systems is clean, reliable and stress-free. Our highly-skilled specialists will drill small holes in the slab, inject a polymer solid that will fill the space underneath it, and ultimately raise and level your slab. Our system is guaranteed to last for your Bellvue, CO home!
Our Services
Complete Basement Systems™

Foundation Repair
During your foundation repair journey, we would be honored to have the opportunity to assist you. We will make sure you are in capable hands every step of the way.
Complete Basement Systems™

Basement Waterproofing
Basement leaks and standing water are a serious concern for any homeowner, and if you have water in your basement you need an effective, long-lasting waterproofing solution.
Complete Basement Systems™

Crawl Space Repair and Encapsulation
If you’re having a problem with your crawl space, you’ve come to the right place. At Complete Basement Systems, we specialize in crawl space problems of all types.
Complete Basement Systems™

Concrete Lifting
If you have sinking concrete around your home, Complete Basement Systems can lift and restore your concrete to help eliminate trip hazards and pooling water problems.
Our Customers Trust Us
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Although this was not the right time to have this done, Matt was very thorough with his inspection and in explaining the process. He also didn’t try to add more work which was not needed. Hopefully soon I’ll be able to call him back and use this…
Complete Basement Systems
View review Read Mark Adams's review for Complete Basement Systems -
Derek was very professional and helpful!!
Complete Basement Systems
View review Read Jeramie Reese's review for Complete Basement Systems -
Irnan, Manuel and Misael completed some foundation work on my home. They were professional, communicated the details of the project clearly, addressed all of my questions and concerns and worked at incredible speed to complete the project even…
Complete Basement Systems
View review Read Seth Grove's review for Complete Basement Systems -
They were exceptional workers Prince and Braden
Complete Basement Systems
View review Read Stanley Frahm's review for Complete Basement Systems -
Zach, Scott, and Luis came to help repair and replace some supports in our crawl space that stabilize our kitchen. All there were very professional, left the area clean, and were communicative and timely. We would highly recommend their service!
Complete Basement Systems
View review Read Cap Damrell's review for Complete Basement Systems -
We’re selling our house and the inspector found some structural damage in the crawlspace. We got a quote from another company first and they tried to talk us into $30,000 worth of piers and unnecessary work. I called CBS for a 2nd opinion and Nick…
Complete Basement Systems
View review Read Amber Edwards's review for Complete Basement Systems -
Zack and his crew cleaned out my nasty crawl space that had tons of lint and cobwebs, encapsulated everything, cleaned up like they were never here, and now I have a nice clean crawl space. Well worth the money. Thank you Complete Basement Systems!
Complete Basement Systems
View review Read Diana Doyle's review for Complete Basement Systems -
Derek very helpful and professional.
Complete Basement Systems
View review Read Kym K's review for Complete Basement Systems -
Derek E. Was a true professional. On time and thorough.
Complete Basement Systems
View review Read Andrew Koloski's review for Complete Basement Systems -
They did the job on schedule / on time. and Met my expectations of the project with a respectable price. Micah Robarge, luis Rosa, Scot grubs, Greg brandon, Prince and his partner for poly lift. Were all caring and hard-working
Complete Basement Systems
View review Read David Alperti's review for Complete Basement Systems
