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*The Angi rating for Sewer Cleaning companies in Knapp, WI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Sewer Cleaning needs.

*The HomeAdvisor rating for Sewer Cleaning companies in Knapp, WI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Sewer Cleaning needs.

Last update on January 19, 2026

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Legendary Plumbing, LLC
4.3(
6
)
Sewer Main - ClearSewer Main - Clear - For Business

Serving Knapp, WI and surrounding areas

In business since 2019

Free estimates

Legendary Plumbing, LLC, is a leader in providing our customers with the highest quality products and craftsmanship in an honest, efficient and professional way. Our pledge is to create successful relationships with our customers, employees, community by building trust and treating every project with the utmost integrity and exceeding expectations. \n \n\nWe look forward to working with you!

Kitchen remodel
Wells
Remodel
Shower
Response time1 day
Recommended by83%of homeowners
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Avatar for American Home Shield – Home Warranty
American Home Shield – Home Warranty
3.5(
5,688
)
Sewer Main - ClearSewer Main - Clear - For Business

Serving Knapp, WI and surrounding areas

In business since 1971

Credit card accepted

"The called Jayco plumbing in Amarillo, TX. They located my buried sewer line and cleaned out both sewer clean-outs to my new house."
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+2

Recommended by65%of homeowners
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Sewer Cleaning questions, answered by experts

The cost to repair a main sewer line clog is about $3,110 on average. The average cost range is  $1,310 to $4,950, but it can go as low as $215 and as high as $9,300 or more. The cost factors for this repair include the severity of the clog, pipe accessibility, video inspection, removal method, permits, pipe material, labor rates in your area, and time of year. Repairs made from outside during the winter can be more difficult due to the frozen ground or during the spring if the ground is saturated from a lot of rain and snow melt.

The type of clog in your sewer main determines the required cleaning method. Different types or methods of sewer main cleaning require various tools like chemicals, mechanical removal, or a combination of both. Some of the most common types of sewer main line cleaning include:

  • Minor debris removal: $100–$600

  • Tree root removal: $100–$1,000

  • Trenchless pipe repair: $60–$250 per linear foot

  • General line repairs: $1,000–$4,000

  • Full pipe replacement: $3,000–$25,000

There are several homemade solutions for clearing a clogged sink that don’t involve pouring harsh chemicals down your drain. Start by pouring hot (but not boiling) water down the drain. This can help dissolve and flush away grease and gunk. A splash of dish soap down the drain can also cut through fat and make it easier to clear the drain. For a more stubborn blockage, grab a plunger and give it a few firm pumps to dislodge the clog.

When hiring a sewer line company, you need to consider more than just the quoted price. Make sure to check that the company or contractor is licensed, certified, and insured to protect you both. Check for positive reviews, and you can even request references for extra peace of mind. 

To find the best contractor, you might also want to consider how long the company has been in business doing sewer line cleaning and if they’ve won any industry awards for their work and service. Review potential contracts closely, and look for transparent pricing.

The cost to clean a sewer line is about $370, ranging from about $190 to $550 on average. The specific cleaning method and the problem's severity will impact the project's overall cost. Some of the most common sewer line cleaning methods include:

  • Snaking or rodding: $100–$250

  • Hydrojetting: $350–$600

  • Chemical treatments: $600–$1,000

  • Repair or replacement: $1,000–$7,500

The Knapp, WI homeowners’ guide to sewer cleaning services

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

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