Sink Repair
Sink Repair in San Ramon & the Tri-Valley
A slow-draining sink or a puddle forming in the cabinet underneath usually means something's wrong beneath the surface — a clogged trap, a loose connection, or a corroded fitting. We track down the actual source instead of just clearing the symptom, so the same problem doesn't come back in a month.
We work on kitchen and bathroom sinks alike, from a simple slow drain to a leaking P-trap or a cracked basin.

What's included
- Clearing clogged and slow-draining sinks
- Repairing or replacing leaking P-traps and drain assemblies
- Fixing leaks at supply lines and shutoff valves under the sink
- Resealing or replacing a sink's drain flange and basket strainer
- Repairing or replacing pop-up drain stoppers
- Addressing corroded or failing fittings under kitchen and bath sinks
- Full sink replacement when the basin itself is cracked or beyond repair
How it works
- 1Describe the issue
Let us know whether it's a slow drain, a leak under the cabinet, or damage to the sink itself.
- 2Inspect underneath
We check the trap, supply lines, shutoff valves, and drain connections to find where water is actually getting out — or getting stuck.
- 3Repair the source
We clear the clog, replace the failed part, or reseal the connection, using parts that match your existing plumbing where possible.
- 4Run water and check for leaks
We test the drain and every connection under the sink before wrapping up, so you're not finding a new puddle the next day.
Common questions
Why does my sink drain slowly even though it's not fully clogged?
A partial clog — often grease, soap scum, or hair buildup in the trap or drain line — narrows the pipe enough to slow drainage without blocking it completely. It usually gets worse over time if it's not cleared.
What's causing the puddle under my kitchen sink?
Most under-sink leaks trace back to a loose or corroded P-trap connection, a worn supply line fitting, or a failed seal around the drain flange. We check each of those to find the exact source rather than guessing.
Can you fix a cracked sink, or do I need a new one?
A hairline crack in some materials can sometimes be sealed, but a cracked basin usually keeps leaking or worsening over time. If the damage is significant, replacement is generally the more reliable fix, and we can handle the full swap.
Is a leaking sink connected to my water bill going up?
It can be, especially a leak that runs slowly and goes unnoticed under the cabinet. Even a small, steady drip adds up over weeks.
Do you also handle the faucet if that's part of the problem?
Yes. Sink and faucet issues often go together — a leaking faucet can be mistaken for a sink or drain leak. If we find the faucet needs attention too, we'll let you know and can handle that in the same visit.
Request Your Free Estimate
Tell us what you need — we'll call you right back. Same-day appointments often available.
- Call or Text(925) 222-5590
- ServingSan Ramon & the Tri-Valley
- HoursMon–Fri6 AM – 8 PMSat–Sun9 AM – 4:30 PM
- Licensed & InsuredCA CSLB #1054446
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