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What is the most common cause of a running toilet leak?

The most common cause of a running toilet leak is a worn flapper that no longer seals the tank opening. A quick tank inspection confirms if the flapper is the issue. Skip chemical drain cleaners in toilets; they can do more harm than good. Our recommended repairs include a 2-year warranty, with an optional Lifetime upgrade. We service homes and businesses across Santa Maria and Orcutt.


Updated: 2025-12-21


Need help in Los Alamos, CA? Call (805) 934-1949 or book online. "Also fixed issue with toilet flapper." — Sue W.

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