TareaPLUMBING · PASADENA
Running toilet repair in Pasadena
That steady trickle or hiss coming from your toilet tank isn't just annoying — it's wasting water and can add real money to your bill every month. In Pasadena's older Craftsman bungalows and Spanish-revival homes, original or outdated toilet hardware often wears out faster than modern fixtures, making running toilets a frequent call.
This job runs $135 to $220 in Pasadena, based on a $94 hourly rate for a typical 1 to 2 hour repair. The final cost depends on how many components need replacing and whether older, harder-to-source parts are involved, which is more common in homes with original Craftsman or Spanish-revival fixtures.
Common causes
- A worn or misaligned flapper valve that no longer seals the tank properly, common in toilets that haven't been serviced in years.
- A fill valve or ballcock assembly that's degraded, especially in original fixtures found in many pre-1950s Pasadena homes.
- Mineral buildup from hard water coating the flush valve seat, which is common throughout the San Gabriel Valley's water supply.
- A float that's set too high, causing water to constantly spill into the overflow tube.
- A cracked or corroded overflow tube, more likely in older toilets that came with the home's original 1920s or 1930s plumbing.
What a pro does
- Removes the tank lid and checks the water level, flapper seal, and flush valve seat for wear or debris.
- Tests the fill valve and float mechanism, adjusting or replacing parts as needed to stop water from running past the correct level.
- Inspects the flapper chain and flapper itself, replacing it if it's warped, brittle, or not sealing correctly.
- Checks the overflow tube for cracks and confirms the shut-off valve underneath the toilet operates smoothly, since many original valves in older Pasadena homes have become stiff or leak-prone with age.
- Flushes the toilet several times after repairs to confirm the tank fills and shuts off properly with no continued running.
Do it yourself, or call a pro?
If you're comfortable removing a tank lid and can identify a flapper versus a fill valve, replacing a simple flapper is a reasonable DIY task and parts cost very little. However, if your home has original 1920s-era plumbing, corroded shut-off valves, or you're unsure what's causing the issue, it's safer to call a pro — forcing a stuck or corroded shut-off valve can crack it and cause water damage inside a wall or floor.
Questions
Why does my toilet keep running even after I jiggle the handle?
Jiggling the handle is a temporary fix for a flapper that isn't sealing correctly. If the running continues, the flapper, chain, or flush valve seat likely needs replacing rather than adjusting.
Is a running toilet dangerous, or just annoying?
It's generally not dangerous, but it can waste a significant amount of water and increase your bill. The main risk is if a corroded shut-off valve or overflow tube fails, which could lead to water damage.
My house is from the 1920s — will parts be harder to find or more expensive?
Older toilets sometimes use less common tank sizes or hardware, which can add a bit to the repair time, but the $135 to $220 range already accounts for typical 1 to 2 hour jobs like this.
Prices are estimates for Pasadena and depend on what the job turns out to involve. Tarea sets the labor price before you hire, so you know it up front.