What causes a toilet to leak from the base when flushing?

A toilet leaking from the base when you flush usually means the wax ring seal has failed. Loose or corroded closet bolts, a rocking toilet, a cracked bowl base, or a damaged/raised flange can also let water escape at the floor. A partial clog can force water past a weak seal. We’ll inspect, reseal or reset the toilet, repair the flange, or replace the toilet if cracked, often same day in Provo. Repairs use set pricing and include a one-year repair warranty.

Quick checks:

• Leak only during/after flush: likely wax ring.
• Toilet rocks: tighten bolts or repair flange.
• Persistent dampness: stop use and call.

Updated: 2025-12-23

Need help in Lindon, UT? Call (801) 852-5651 or book online.