Who to call for sewer smell in house?

Author: Mr. Jalon Thompson  |  Last update: Thursday, June 11, 2026

Home owners and commercial property owners should contact a licensed plumber for any indoor sewage issues.

Who do you call if your house smells like sewer?

If you cannot identify or eliminate the source of the sewer gas smell on your own, it's best to call a professional plumber or a sewer and gas odor specialist.

Can a plumber get rid of sewer smell?

A certified plumber will be able to address these very common lingering issues: sewer gas smell in bathroom. toilet smells like sewer. sewer smell in basement.

How do I get my house to stop smelling like sewer?

Clear away debris, leaves, or bird nests that might be blocking the vent. Ensure the vent stack is working correctly to allow sewer gases to escape. Inspect and Replace Wax Ring: If you suspect that the sewer smell is coming form around your toilet, you may need to inspect and repalce the wax ring seal.

How do I find the source of sewer smell?

To find the source of that stinky smell, turn to the building's plumbing system. Check sinks, drains, toilets, and other plumbing fixtures for obvious signs of damage, leaking, or loose connections. It's also good to check sewer vents and the clean-out drain outside the building.

Explained! Sewer Gas Smell Outside or Inside of Your House & How to Fix

Why does my house suddenly have a strong sewer smell?

These are the most common causes of sewer line clogs, broken or damaged sewer lines, and foul sewer odors in homes: Clogged drains and blockages. Blockages or backups from the city's sewer system. Tree roots that have intruded into the sewer line.

Is it safe to stay in a house that smells like sewer?

Answer: Only under extremely unusual circumstances. Although hydrogen sulfide is a toxic gas, it will not harm people at the concentrations that exist in a house with sewer gas odor problems. Studies have shown that hydrogen sulfide has a depressant effect on the central nervous system in concentrations above 150 ppm.

How to tell if sewer gas is in a house?

But if there is a sewer smell in the house, similar to that of rotten eggs or cabbage, you may have a sewer gas leak. Gasses off-put by the sewer are a byproduct of the breakdown of waste. But the pungent smell they create is not just disgusting – these gasses can be dangerous as well.

Will sewer smell go away on its own?

However, sometimes a smell will not go away, no matter how many times you clean your bathroom. A sewer gas smell from your toilet can indicate a serious plumbing issue. Many potential factors can cause a bathroom to smell like a sewer.

Who to call to identify smell in house?

A qualified plumber, HVAC technician or remediation company can diagnose the source of the odor and take the necessary steps to eliminate it safely and effectively.

Why does my drain smell like sewage but no blockage?

Mould Formation – Mould or mildew forms inside the pipes when there is a leak and water remains standing for a while. The mould can generate a stinking odour that you can smell even from behind a wall. Plumbing Issues – Sewer smell can also be caused due to incorrect plumbing fixtures.

What soaks up sewer smell?

You can also add a mixture of baking soda and vinegar along with hot water to help get rid of the odor. Pour one cup of baking soda down the drain followed by one cup of white vinegar. Let the mixture sit for about 10 to 15 mins and flush with hot water.

How to tell the difference between sewer gas and natural gas?

The first thing is to make sure the smell is sewer gas which is usually a rotten egg smell and not a natural gas smell which usually smells like a skunk.

Can a toilet leak sewer gas but not water?

Over time, these can go bad and no longer seal the toilet to the sewer. When this happens, it is not always obvious because water usually won't leak out, only sewer gas, unless there is a clog in the system and water backs up into the drain below the offending toilet.

What are the symptoms of sewer gas poisoning?

Irritated eyes, nose, throat, and respiratory system, including tearing of eyes, cough, or shortness of breath. Effects may be delayed. Severe eye and respiratory irritation such as coughing and difficulty breathing. These symptoms may be accompanied by headache, dizziness, nausea, vomiting, and more.

How do I fix the sewer smell in my house?

The causes behind a sewer gas smell can be superficial or complex, depending on what is causing the odours to emanate from the drains or sewer lines. To eliminate sewer gas smell, you can use a combination of hot water, baking soda, vinegar, and even lemon to run through the drain to fix the problem.

Who to call for sewer gas smell?

In addition to being unpleasant, sewer gasses, including hydrogen sulfide, are explosive. The best course of action is to get away from the smell and call a local plumber immediately and get the problem taken care of.

Why do I keep smelling sewer everywhere?

If you have phantosmia, the odors can vary from smells that almost make you sick to really pleasant scents. But most people with phantosmia tend to detect bad smells. The odors have been described as “burned," "foul," "rotten," "sewage," or "chemical." You may be smelling it from one or both of your nostrils.

Should I leave my house if I smell rotten eggs?

If you do notice that "rotten egg" smell and suspect a natural gas leak, do not try to find the source of the leak yourself, but leave the building or area and call the 24-hour emergency Peoples number at 1-800-400-4271, or call your local emergency response number.

How to locate the source of a smell?

Places to Check for Bad Odors in Your Home
  1. Plumbing. A sewage smell in a house that comes and goes or is persistent could be caused by blockages in your plumbing. ...
  2. Soft Materials. Carpets, curtains and upholstery can absorb odor-causing compounds from cooking foods, mold and bacteria from humans and pets. ...
  3. Vents. ...
  4. Trash.

How to tell where sewer smell is coming from?

Telltale signs of sewer gas originating from your bathroom include sinks, tubs and toilets that drain slowly or are backed up. Other signs include pooled water near your toilet which happens when it is not properly secured to the floor.

Is it safe to stay in a house with a sewage leak?

Due to the health hazards associated with sewage contamination, it is not safe to stay in a house with sewage backup. Prompt evacuation and cleanup are essential to protect occupants' health and prevent further damage to the property.

How to test for sewer gas in house?

This can be accomplished with a sewer gas leak detector, or sometimes referred to as simply a gas leak detector. Other methods include calling in a plumber and he will undertake a smoke test to assess where, exactly, the leak may be in the pipes and also undertake a acoustic leak test.

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