Why does my bathroom smell like sewage or rotten eggs?
That sewer smell is unpleasant, but it’s usually fixable. Here’s what’s likely going on:
Dry P-trap – This is the most common cause. Every drain has a curved pipe underneath that holds water to block sewer gas. If a drain hasn’t been used in a while, that water evaporates. Quick fix: Run water for 20-30 seconds in all drains, especially ones you don’t use often (guest bathrooms, basement floor drains).
Toilet wax ring – If the smell is strongest near the toilet, the wax seal between the toilet and floor may be failing. You might also notice the toilet rocking slightly. This needs a plumber to reset the toilet with a new ring.
Vent pipe issues – Your plumbing has vent pipes that go through the roof to let sewer gas escape outside. If these get blocked (leaves, bird nests, ice) or cracked, gas backs up into your home. Gurgling drains are a telltale sign.
Sewage ejector pump – If you have a basement bathroom, check that your ejector pump is working properly. A failing pump can cause odors.
Important: If the smell is more like natural gas (rotten eggs but sharper), leave immediately and call 911 – that’s a gas leak, not a sewer issue.
If running water in your drains doesn’t solve it within a day, it’s time to have a plumber inspect your sewer and vent lines. Would you like help scheduling that?
Quick explainer from Erin
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Oluwaseyi Omaivboje
1 days ago
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Chris G was amazing, professional and personable. He explained each step and what he was going to do and pricing to avoid any surprises. We were very pleased with his work and service. Would recommend him again.
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Max Izquierdo
1 days ago
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Gabe Jimenes was the assigned service person. Gabe came in at the perfect time with great attitude. Got to work, and determined that there was no leak. Aaron services is the real deal!
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samanth marisetty
7 days ago
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Tai was a super fact technician. Was able troubleshoot and fix the issues within no time. I recommend him for your plumbing help!!
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LaShona Bennett
7 days ago
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Ty is the BEST PLUMBER!!!!!
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Susan Calhoun
8 days ago
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Tai arrived quickly after I called, determined the problem and completed a quality repair. He gave me some tips about future problems to be aware of without trying to push. Nice guy, good work.
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Ariel Aragon
8 days ago
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Called, very nice answering service. Fast schedule to come out. Chris G came out explained option and was jot pushy but EXTREMELY helpful!! THANK YOU CHRIS G!
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Roumen Vladimirov
9 days ago
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Brandon T. Did a great and very professional job at my house. He arrived on time and handled the sink drain job with great skill. Thank you, Brandon.
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Derrick Cox
9 days ago
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I really appreciate Dillon I have my Mom and Dad, Dad can't get around and Mom has trouble hearing I wasn't able to be there but talked with him on the phone he did a great job and I really appreciate how he treated my parents so respectful and he showed my Mom everything he did, they couldn't say enough good things about him. My first time using them and I will use them again for sure!
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Randall Schubert (Randy)
10 days ago
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My tech was fantastic, worked long and hard and did a great job
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Carol Smith
10 days ago
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Brandon T was a true Godsend! I am experiencing water leakage in my home which led to tremendous mold issues, putting me in a hotel. You can imagine as a mature, single lady that threw my life into turmoil! For four days, I heard everybody’s opinion of what it could be before everybody closed up for the long holiday weekend On Labor Day, my son reached out to get on somebody’s schedule for Tuesday, but to our surprise the phone was answered and a tech was sent out within 30 minutes. Thank God, it was Brandon T He found what nobody had been able to find after four days of talking!!!! Within minutes, he discovered the problem, corrected the problem which now is going allow me to get back with the insurance company to hopefully get their approval to take care of the remediation and the flooring. Words cannot express how grateful I am to Brandon! He came in calm, knowledgeable and determined to get this issue taken care of for me. And that he did! I will never forget how you turned everything around for me Brandon on that Labor Day!!! God bless you and your family.
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