1. The clog keeps coming back
If the same drain clogs again a few weeks after you cleared it, a plunger or store-bought cleaner only removed the surface blockage. Something further down — grease buildup, a partial root intrusion, scale in older pipe — is still there.
2. Several drains are slow at once
One slow drain is usually local to that fixture. When the kitchen sink, a bathroom drain and a floor drain are all slow at the same time, the problem is more likely downstream in a shared line than at any single fixture.
3. Gurgling sounds from other fixtures
If flushing a toilet makes a nearby sink gurgle, air is getting trapped by a partial blockage in the shared line. That is a sign the clog is bigger than what a plunger can reach.
4. A persistent bad odor even after cleaning
A quick smell after cleaning is normal. A lingering sewer-like odor days later usually means organic buildup is still sitting in the line, out of reach of anything you can pour down the drain.
5. Water backs up somewhere unexpected
Water rising in a shower drain when you run the washing machine, or backing up into a floor drain, means the blockage is downstream of both fixtures — a job for professional equipment, not a home remedy.
If any of these sound familiar, professional cleaning — cable snaking or hydro jetting, depending on the cause — gets to the actual problem instead of clearing the surface. Call for a written quote.
See: Drain cleaning in Long Beach, Hydro jetting in Long Beach.

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The rate before we travel, and a fixed figure in writing before any work starts.
