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

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Last update on November 17, 2025

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Sewer Cleaning questions, answered by experts

Avoid flushing non-degradable items, schedule regular inspections, and address minor clogs promptly.

The cost to unclog a sewer line is between $200 and $600, with the average homeowner spending around $380, depending on the severity of the clog. It can cost as little as $100 to snake a small clog, but you could spend up to $1,600 if you need to video inspect the line and hydrojet a large clog.

No, you should not see water in a sewer cleanout. If you do, it could indicate that you have a block or leak in your main sewer line—which can cause sewage to back up inside your home and potentially flood your yard. Your best bet is to call a local sewer cleaner if you notice any water or sewage around your cleanout.

A sewage smell in your crawl space is usually from a damaged or clogged pipe leaking sewer gasses or actual sewage underneath your home, but there are some other common causes. Moisture, from poor or damaged encapsulation or a malfunctioning sump pump, can harbor mold and bacteria, causing a musty smell. Pests can also get stuck in your crawl space and die, which causes a sewage-like odor.

Main sewer lines can clog for several reasons. For example, if you regularly dump oil or grease down your drain, it could eventually block your line. Sometimes, tree roots can penetrate and grow inside old sewer pipes, creating a major blockage. Flushing bulky items (like paper towels, diapers, or baby wipes) can also clog your plumbing system.

The Bismarck, ND 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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