Company Facts
Groundworks Foundation Repair Denver at a Glance
The work
- Best for
- Wet basements or crawl spaces that come with sinking slabs or settling
- Primary service
- Waterproofing
Where
- Headquarters
- Denver, CO
- Service area
- Denver
- Emergency service
- Not advertised
Money and guarantees
- Free estimates
- Yes
- Financing
- Not advertised
Credentials
- License number
- Not published
Editorial Review
Our Take on Groundworks Foundation Repair Denver
Groundworks is a franchise-style branch with real scale, strong ratings and unusually long hours. Its reviews lean toward concrete lifting more than basement waterproofing, so press for waterproofing references and written warranty terms.
Best forWet basements or crawl spaces that come with sinking slabs or settling
What We Like
- 4.7 from 2,673 Google reviews, read October 21, 2026
- Branch at 4686 Ivy Street, Denver 80216, matching the Google listing
- Services include basement waterproofing, crawl space encapsulation, foundation repair and concrete lifting
- Free inspection and estimate, with appointments from the next day
- Google hours of 5am to 9pm on weekdays, 6am to 9pm Saturday and 8am to 9pm Sunday
Things to Consider
- Franchise branch page with thin local detail: no neighborhoods listed and Rob Garner is the only named person
- No licence number, founding year, employee count or warranty terms are stated, and the branch page phone (719) 347-4246 differs from Google's 303-529-2006
- Google reviews lean toward concrete lifting and slab work more than basement waterproofing
Customer Ratings
Google Reviews for Groundworks Foundation Repair Denver
Customer ratings shown here come from Google. They are separate from our editorial review above.
Rating Distribution
- 5 stars90%
- 4 stars2%
- 3 stars1%
- 2 stars1%
- 1 star5%
iAbout this distribution
The distribution reflects the 2692 Google reviews available when this profile's review data was last refreshed on October 28, 2026. Ratings and counts change continuously on Google, so figures here may lag the live profile slightly. We publish only the values returned by the source, never estimates for missing bands.
Recent Google Reviews
Editorial Ranking
Why Groundworks Foundation Repair Denver Made Our Top 5
It took first place in 5 Best Waterproofing Companies in Denver, CO (2026).
Areas Served
Based in Denver, CO.
iAbout service coverage
Coverage is as the business describes it, cross-checked against where its recent documented work is. A company will often travel beyond the areas listed here for a large job and decline a small one at the same distance, so confirm your address before scheduling.
Company Background
About Groundworks Foundation Repair Denver
Groundworks Foundation Repair Denver brings 2,673 Google reviews at a 4.7 average, and they all point to one address, the branch at 4686 Ivy Street in Denver, 80216. It is the local branch of a national foundation and basement company. The branch page lists basement waterproofing, foundation repair, concrete lifting, and crawl space repair and encapsulation. Named solutions include interior drain systems, sump pumps, dehumidifiers, wall anchors, a wall repair system, helical and push piers and crawl space supports. Problems it covers include interior leaks, water in crawl spaces, sump pump failure, mold and wood rot.
Hours are long. Google shows 5am to 9pm Monday to Friday, 6am to 9pm Saturday and 8am to 9pm Sunday, and the page offers a free inspection and free estimate with appointments starting the next day. Rob Garner is listed as Denver General Manager. The service area runs from Denver to Aurora, Arvada, Boulder, Broomfield, Littleton, Thornton, Westminster, Golden and Englewood, and out to Fort Collins, Greeley and Steamboat Springs.
Read the reviews with a waterproofing eye and a pattern shows. Many describe slab and concrete lifting. Lauren wrote about a patio slab that had sunk about 5 inches, with Kenne giving the quote and Eric and Juan doing the work. Grace praised Jesus and Jose on a driveway and garage lift. Kelso said Mark inspected garage floor and driveway cracks and recommended only what made sense, which he took as honest. Marci credited Mike and Eric. One one-star review came from a neighbor who said an excavator damaged plants outside the property line during a job next door, so ask about site protection. Groundworks Foundation Repair Denver has 4.7 from 2,673 Google reviews, read October 21, 2026.
The site does not state a founding year, licence, employee count or warranty terms. Its branch page shows (719) 347-4246, which differs from the Google number listed here.
Colorado has no statewide waterproofing licence. The City and County of Denver licenses contractors and requires permits for structural work, and plumbing is licensed by the Colorado State Plumbing Board.
It suits homeowners who want a large, well-staffed outfit with long hours and a free inspection, especially where slabs, crawl space or settling come with the water problem. It suits less well anyone who wants a small owner-run shop or a pure basement drainage specialist. Before booking, ask for the written warranty and whether it transfers, proof of licence and insurance, who does the work and who pulls the permit. Check Denver Community Planning and Development contractor licence and permit rules, the plumbing board lookup for sump work, insurance and the BBB record.
iWhere this information comes from
Company history, ownership and capability details on this page are provided by the business and reviewed by our editors for plausibility and consistency. They are not the same as the credentials block, where each item carries its own verification status and source.
Other Sources
Reputation by Source
We show each source separately rather than blending them into a single score, because they measure different things.
Pricing
Company Pricing & Estimates
What this company publishes about its own pricing.
- Free estimates
- Yes
Gallery
Project Photos
Business-submitted, reviewed by our editors
Compare
Similar Waterproofing companies in Denver
HomeStrong
5.0(406 Google reviews)Basement and crawl space water problems that may also need concrete or structural work · DenverRanked #2View profileThrasher Foundation & Concrete Repair
4.8(937 Google reviews)Homes with foundation, concrete and basement moisture problems together · DenverRanked #3View profileRam Jack of Colorado Inc
4.8(161 Google reviews)Foundation settlement, sunken slabs and wet basements · DenverRanked #5View profileColorado Crack Attack
4.7(86 Google reviews)A single leaking foundation or basement wall crack · DenverRanked #4View profile
Groundworks Foundation Repair Denver FAQs
Do waterproofing contractors in Denver need a licence, and is Groundworks licensed?
Colorado has no statewide waterproofing licence, and Groundworks Foundation Repair Denver does not state a licence number on its branch page. The City and County of Denver licenses contractors and requires permits for structural work, and plumbing is licensed by the Colorado State Plumbing Board. Check Denver Community Planning and Development contractor licence and permit rules, the plumbing board lookup for sump pump work, proof of insurance and the BBB record, and ask the branch for its licence details in writing.
What are Groundworks Foundation Repair Denver's hours, and is there emergency service?
Google lists hours of 5am to 9pm Monday to Friday, 6am to 9pm Saturday and 8am to 9pm Sunday. The branch page does not mention emergency or 24 hour call-outs. It offers a free inspection and estimate, with appointments available starting the next day. The Google phone is 303-529-2006, while the branch page shows (719) 347-4246 and a national line, 855-976-0804.
What warranty and financing does Groundworks Denver offer, and where does it work?
The branch page links to warranty and financing pages but states no terms, so ask for the warranty in writing and whether it transfers to a new owner. A customer review mentions financing options being explained. The service area listed includes Denver, Aurora, Arvada, Boulder, Broomfield, Englewood, Golden, Littleton, Thornton, Westminster and Wheat Ridge, plus Fort Collins and Greeley further out.
Is Groundworks Foundation Repair Denver licensed and insured?
We have no credential records on file for this company yet. Ask for the certificate directly from the insurer before booking work.
What areas does Groundworks Foundation Repair Denver serve?
Denver. Coverage is as the business describes it, cross-checked against where its recent documented work is. Confirm your address before scheduling, particularly at the edge of a service area.
Does Groundworks Foundation Repair Denver offer emergency service?
Emergency availability is not listed for this company. If you need an urgent call-out, check the ranking for companies that do list it.
What warranty do they offer?
Warranty terms are not on file. Ask for them in writing before work starts.
How was this profile built?
Credentials come from issuing authorities, ratings from the company's Google Business Profile with the date we read them, and the editorial take from our own review of estimates, warranty documents and public feedback. Anything the business told us is labelled as reported.
Can a business pay to improve its profile?
A business can subscribe to manage its own listing details, and it can buy a labelled sponsored placement. Neither changes a ranking position or the editorial assessment on this page.
Is Something Incorrect?
Business information changes. Tell us about an address, phone, website, service area, credential or ownership change, or let us know if this company has closed.
Suggest an UpdateOwn Groundworks Foundation Repair Denver?
Claim your profile to verify and maintain your business information, services and service area.
iWhat claiming does
Claiming lets you correct and maintain the factual information on this profile. Claiming or upgrading a profile does not guarantee inclusion in a TenBestFind ranking and never affects ranking position, which is decided editorially.
About This Business Profile
- Last reviewed
- October 2026
- Profile last updated
- November 11, 2026
- Google review data updated
- October 28, 2026
- Sources checked
- Google Business Profile, Company website
- Could not verify
- License (none published), insurance, founding year
- Sponsorship status
- No commercial relationship