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Top-Rated French drain pros in Slinger - Updated Nov 2026

Avatar for Accurate Basement Repair
Accurate Basement Repair
4.8(
44
)
Foundation Drainage - Install or ReplaceBasement Drainage Channels - Install

Serving Slinger, WI and surrounding areas

Approved

In business since 2000

Free estimates

Warranties offered

"I contacted Accurate Basement Repair after my basement decided to spring a leak this spring. If Iâ m going to be honest, itâ s happened before, but not to the extent that it did this year. Iâ ve held off calling anyone out of fear of how expensive basement repairs can be and I was expecting the worst. Accurate was recommended to me by my mother and by another friend of mine. I called to schedule an estimate and the woman I spoke with was great. A few days later, John came out to my house to inspect my basement. He walked around and looked at everything inside and out. John recommended to do a drain tile test because although I had water coming in thru some cracks in the wall, I was not getting any water in the sump crock. He explained the process to me so I knew exactly what to expect. If youâ re curious on how respectful Accurate will be to your property, John did not want to cut into the carpet in my basement, he wanted to roll it back so it wasnâ t damaged.... I cut the carpet myself. Afterwards he wouldâ ve tried to fix the carpet I cut if I hadnâ t told him not to bother. After the drain tile test was completed, John explained the results to me in such a way that I understood. While my basement may need corrective repairs in the future, John made several recommendations for outside work that he suggested that I try first. If those donâ t work, he said I should do the corrective interior work. It wouldâ ve been really easy for John and Accurate Basement Repair to sell me a completely new drain tile installation to correct the issues I was experiencing with my home and I would not have bat an eye at it. If youâ re looking for a repair company that is trustworthy and honest, you donâ t have to look any further than Accurate. If the exterior repairs donâ t do the trick at my house, I will not have anyone else but Accurate do the interior repairs."
My jobs
My jobs
My jobs
My jobs
My jobs

+2

13 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Renew Basement Foundation
Renew Basement Foundation
5.0(
23
)
Basement Drainage Channels - InstallFoundation Drainage - Install or Replace

Serving Slinger, WI and surrounding areas

Approved

In business since 2011

Free estimates

Warranties offered

"Great service! We had drain tile installed with a sump pump and a wall braced. I appreciated that the work was done through WAFRP standards. Christian was always very courteous and professional. I would recommend Renew to friends and family. When I had questions after the job was complete Christian offered to come over and take a look to address my questions and make sure everything was good as can be. Great price for the quality work done here!"
Response time1 day
Response rate100%
2 neighbors recently requested a quote
Avatar for Groundworks
Groundworks
4.6(
917
)
Sump Pump or Interior Foundation Drains - InstallBasement Drainage Channels - Install

Serving Slinger, WI and surrounding areas

Approved (Corporate)

In business since 1993

Free estimates

Small jobs welcome

Groundworks is the North America's leading and fastest-growing foundation repair and water management solutions provider. Groundworks is a vertically integrated company with its own manufacturing operations and a world-class software solution, allowing us to serve our customers more effectively. From the first phone call to the annual maintenance offered, our customers have peace of mind knowing we're there with one mission to repair, protect and improve their home. For state licenses visit Groundworks.com/licensing

Basement
Basement
Basement
Concrete
Concrete

+13

46 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Central Wisconsin Excavating
Central Wisconsin Excavating
5.0(
12
)
Basement Drainage Channels - InstallFoundation Drainage - Install or Replace

Serving Slinger, WI and surrounding areas

Approved

Free estimates

Emergency services offered

Small jobs welcome

"Central Wisconsin Excavating (CWE) did a fantastic job on our project. They built a solid, well-prepared foundation for our 80,000-bushel grain bin and graded our driveways perfectly to ensure water drains away from our buildings. Their attention to detail, quality of work, and professionalism really stood out. The site was left clean and properly finished, and everything was done right the first time. We’re extremely happy with the results and would highly recommend CWE to anyone needing excavation or site work done right."
Pond project
Pond project
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French Drains FAQs, answered by experts

You can unclog an AC drain line for free if you already have these household ingredients: water, vinegar, and rags. Alternatively, if you’d rather not deal with the mess, you can hire a pro to clear your drain line. If you go that route, an HVAC service call costs between $100 and $250.

Liquid drain cleaners are harsh chemicals that can erode your pipes. To treat a slow drain or for preventative maintenance, pour hot water down the drain to break up gunk and help move it along. Make sure the water isn’t boiling hot (keep it under 140 degrees Fahrenheit) if you have plastic pipes. However, you’ll need to pull the clog out for bigger backups. 

Boiling water helps unclog a drain, but usually only with a harder abrasive such as baking soda or vinegar. On its own, it isn’t the most effective tool. In addition, you shouldn’t use boiling water if you have PVC pipes, as it can soften or melt them. Use a plunger or enlist the help of a pro if you have plastic pipes.

To get rid of a sewer smell in your crawl space, you’ll have to find the source of the problem. If it has to do with your sewer lines, then repairing the line will help. You may need to make other repairs, like fixing your sump pump or encapsulating your crawl space to reduce moisture. After you make the repair, depending on the issue, you may still need to clean out your crawl space to get rid of the stink.

Knowing the signs can alert you to a clogged drain line. Clogs cause slow drainage or cause no drainage (if there’s a complete blockage). You may also notice foul odors, gurgling noises, water backing up in other appliances on the same line, or a poorly flushing toilet. If you experience any of these issues and think your line might be clogged, call a plumber.

The Slinger, WI homeowners’ guide to french drain services

From average costs to expert advice, get all the answers you need to get your job done.