Most homeowners only think about drain cleaning when something's already clogged. But regular, preventive cleaning keeps your whole plumbing system healthy and heads off emergencies. So how often is right?
The general rule: once every 18–22 months
For an average household, a professional drain cleaning every year and a half to two years keeps buildup from ever reaching the point of a backup.
Clean more often if…
- You have a large household with heavy drain use
- Your home is older with clay or cast-iron pipes
- You have mature trees near your sewer line
- You've had recurring clogs or a past sewer backup
- You run a lot of grease-heavy cooking through the kitchen
Why preventive cleaning pays off
A scheduled cleaning costs a fraction of an emergency backup — and it protects your floors, walls, and belongings from water damage. It also lets a plumber spot developing problems, like root intrusion, before they become expensive.
Pro Tip
Pair drain cleaning with a camera inspection every few years to catch sewer-line issues while they're still cheap to fix.
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