A gurgling drain happens when air can't move freely through your pipes. Instead of flowing smoothly, it bubbles back past a partial blockage or a venting problem.
Common causes
A building clog, a blocked vent stack, or a developing sewer backup can all cause gurgling.
When to worry
Occasional gurgling after a big drain event can be normal. Frequent gurgling, especially with slow drains or odor, means the line needs attention before it fully blocks.
Hearing it often? A quick inspection now beats a backup later.
Got a drain problem?
Drain Rescue is available 24/7. If we can't open it, you don't pay.
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