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  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon89
    Verified french drain services reviews

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

Avatar for Copper Sky Plumbing
Copper Sky Plumbing
4.8(
55
)
Basement Drainage Channels - InstallDrain Clog or Blockage - ClearSump Pump or Interior Foundation Drains - Install

Serving Seneca, IL and surrounding areas

Approved

Super Service Award Winner

In business since 2012

Free estimates

Emergency services offered

"I had a slow drain, but the plumber said my drain was not a clog. The problem was a non-functioning stopper. He replaced the stopper. He did a good job, but I felt it was on the high end for the repair work. It cost me $365 just to replace it with a new stopper. The work was great, but the price I felt was on the very high end. I confirmed the average cost for this job online (Porch.com and A.I.) Attached is the stopper that was replaced with a new stopper."
Electric to Gas
Original bathtub before
Demolition has begun
Shower walls are removed, bathtub is sawed in half for removal.
Ready to begin installation of new shower.

+39

Response time11 hrs
Response rate100%
2 neighbors recently requested a quote
Aurora Sewer Cleaning Corp - Facebook
5.0(
21
)
Drain Clog or Blockage - Clear

Serving Seneca, IL and surrounding areas

Approved

In business since 2018

Free estimates

Warranties offered

"Rooting ended up being difficult. Worker hung in there until he solved the problem. Methodicial in approaching the problem, communicated well, clean. Showed up on time. Neighbors gave recommendations, but none of them were available. My wife entered information through Angies List to find someone and I received a call fairly quickly to my surprise. This experience was well worth the value. I will use Aurora Sewer Cleaning again."
Response time10 mins
Recommended by100%of homeowners
Avatar for U.S. Waterproofing
U.S. Waterproofing
4.2(
598
)
Foundation Drainage - Install or ReplaceBasement Drainage Channels - Install

Serving Seneca, IL and surrounding areas

Approved

In business since 1957

Free estimates

Warranties offered

"We highly recommend US Waterproofing. Unfortunately, after repeated issues (we’ve had water getting through a basement door, water backing up from drain/sewer pipe, foundation cracks – all which were addressed) we now have had issues with hydrostatic water pressure delivering a great deal of water to our finished basement. Only one solution – drain tiles and sump pump installation. US Waterproofing was outstanding, every step of the way. They communicated clearly what was needed, and much to our surprise, what was not. They did not ever try to sell us anything that was not needed – only what was – installation of drain tile, window well drains, sump pump, and all work related. All of the crews involved were outstanding – in particular, the crews installing the drain tile and sump pump. The supervisor clearly and concisely explained every step – and when issues arose, they were dealt with promptly. The teams removing drywall and reinstalling also did very good work, and were very responsive. Everything was done correctly, and on schedule The work is now complete – and the basement is back to normal. I commend USW on all facets – they explained everything, did not try to oversell anything, and were responsive to issues as they arose. All the way around – sales, customer support, install teams – outstanding. If you have an issue with water in your home, please consider US Waterproofing."
Radon Mitigation
Radon Mitigation
Basement Waterproofing
Basement Waterproofing
Response time1 day
Response rate100%
14 neighbors recently requested a quote
Avatar for R.A. Mechanical, Inc.
R.A. Mechanical, Inc.
4.7(
363
)
Drain Clog or Blockage - ClearDrain Line Breakage - Camera LocateDrain Clog or Blockage - Clear - For Business+1 more

Serving Seneca, IL and surrounding areas

Approved

Super Service Award Winner

In business since 2016

Free estimates

Emergency services offered

"My situation was particularly difficult, with my drain clean out being in my crawlspace in a cramped spot. Bob really impressed me with his ingenuity, and more importantly his confidence in how to best do the job. Bob and Kevin got my main sewer line cleared and everything cleaned up in 2 hours. I highly recommend R.A. Mechanical."
Misc
Misc
Misc
Misc
Misc

+63

Response time5 hrs
405 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for Thrasher, Inc.
Thrasher, Inc.
4.1(
182
)
Basement Drainage Channels - Install

Serving Seneca, IL and surrounding areas

Approved

In business since 2014

Free estimates

Warranties offered

"They put in drain tile and a sump pump in the basement and a compression guard in the drive. They were helpful and friendly and professional."
Basement Waterproofing Before and After
Concrete Repair Before and After
Thrasher Services
Thrasher Services
Thrasher Services

+12

Response time2 days
950 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for AccuLevel, Inc. - Illinois
AccuLevel, Inc. - Illinois
3.9(
231
)
Basement Drainage Channels - Install

Serving Seneca, IL and surrounding areas

Approved

In business since 1996

Free estimates

Warranties offered

"Waterproof crawl space. Crew showed up on time and continued to work until completed. Installed drain tile and vapor barrier under house in muddy environment. Crew cleaned up area including removing mud from driveway. Crawl space looks great. I will recommend without any hesitation."
Basement Waterproofing and Drainage Channels
Drainage Channel Install
Dimple Board and Drainage Channel Install
Dimple Board Closeup Example
Cross Section Example Waterproofing Installation

+19

13 neighbors recently requested a quote
Recommended by82%of homeowners
Avatar for Last step junk removal
Last step junk removal
5.0(
1
)
Foundation Drainage - Install or Replace

Serving Seneca, IL and surrounding areas

Approved

Emergency services offered

Small jobs welcome

Credit card accepted

Hello my name Is isaak, I own last step junk removal we operate in Elgin il, and we specialize in junk removal in residential and commercial buildings, like, furniture BAG OF JUNK, TVS, etc \nFree estimates via message or email\nWe would love the opportunity to work with you,

Tree debris/ leaves
Tree debris/ leaves
Tree debris/ leaves
House clean outs
House clean outs

+4

8 neighbors recently requested a quote
Avatar for ASI Salvage and Demolition
ASI Salvage and Demolition
New to Angi
Basement Drainage Channels - InstallFoundation Drainage - Install or Replace

Serving Seneca, IL and surrounding areas

Approved

Free estimates

Emergency services offered

Small jobs welcome

At ASI Salvage & Demolition, no job is too big or too small. We specialize in demolition, commercial cleanouts, junk removal, scrap metal recycling, hauling, and industrial dismantling. Our experienced crew is known for dependable service, competitive pricing, and completing projects safely and on time. We treat every project as if it were our own and are committed to exceeding our customers’ expectations from start to finish.

3 neighbors recently requested a quote
Avatar for GROMM Electric LLC
GROMM Electric LLC
New to Angi
Sump Pump or Interior Foundation Drains - Install

Serving Seneca, IL and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

Electrical professional with 20 years of hands-on experience in residential, commercial, and heavy industrial electrical construction. Raised in a family-owned electrical company that grew from a 10-person shop to a 500-electrician operation serving projects nationwide and internationally.\n\nExtensive field experience across high-demand environments including power plants, steel mills, paper mills, chemical plants, oil refineries, coal mines, Air Products facilities, and large food manufacturing plants.\n\nHighly skilled in:\n • Low-voltage systems, fire alarm, controls, and automation\n • Medium-voltage installations and power distribution\n • Underground services and excavation coordination\n • Bucket truck and service work\n • Smart home and modern electrical systems\n • Residential, commercial, and industrial construction from ground-up to retrofit\n\nCertifications & Credentials:\n • Chicago Licensed Electrician\n • OSHA 10 & OSHA 30\n • MSHA Certified\n • CPR Certified\n • NCCER Certified\n\n

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French Drains FAQs, answered by experts

The cost to unclog a drain varies based on the location and severity of the clog. For simple clogs within your home, such as in a sink, toilet, or shower, hiring a plumber typically costs between $110 and $350, with an average of around $200. Snaking a toilet or sink usually costs between $110 and $275, while a bathtub or shower clog costs about $225.

For a more serious clog in the main sewer line, the cost is higher. Clearing a main line clog generally costs between $200 and $600, with an average of about $380. However, prices can range from as low as $100 for snaking a minor clog to over $1,600, particularly if advanced methods like video inspection and hydrojetting are needed for a large or hard-to-reach blockage. Some severe main line clogs can cost upwards of $1,000 to clear depending on factors like the cause of the clog, its distance from an accessible cleanout, and whether the pipe is located beneath an occupied space (e.g., in an apartment building). You may be able to save money on minor clogs by using a drain snake or bladder yourself.

Sometimes, the drain is just too clogged—thanks, stubborn hair and soap scum. In this case, you’ll need a more powerful drain cleaner than you can DIY safely at home. But this doesn’t mean you have to choose a traditional drain cleaner. 

You can find biodegradable drain cleaners at your local home improvement store or online for those drains that need a little more oomph. 

While on the hunt for a formidable drain cleaner, the best options are non-chemical clog solutions that combine enzymes and bacteria.

You should hire a sewer service professional to unclog a main sewer line with tree roots. Tree roots can grow into the main sewer line, and this problem requires a specialized hydro jet, or rooter, that is powerful enough to clear the roots. The tree can also damage the main sewer line, and a professional will need to make repairs or replace the damaged sections. Sewer line replacement costs about $60 to $250 per linear foot.

First, find the cleanout pipe in your yard. Unscrew the cap—you may need a wrench to do so. Then, get a drain snake. You can use a non-motorized one, but a motorized snake will make the job a little easier. Feed the snake through the pipe until it reaches the clog. Spin the snake continuously, but don’t try to feed it through the pipe anymore. Keep spinning until you feel it break the clog apart.

A liquid drain cleaner can sometimes make a clog worse over time if you use it improperly or too much. The chemicals in drain cleaners can corrode and damage pipes, causing cracks and leaks that may cause further blockages. If the clog is more than the liquid drain cleaner can handle, the cleaner will simply add chemicals to a bigger overall problem.

The Seneca, IL homeowners’ guide to french drain services

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