What is a kitchen sink clog?
A kitchen sink clog is a blockage of grease, food scraps and soap in the trap or the branch drain behind the kitchen wall.
Kitchen sink clog repair is one part of drain cleaning: the plumber clears the trap first and snakes the branch line when the clog sits deeper.
What are the 5 signs of a kitchen sink clog?
The 5 signs of a kitchen sink clog are listed below, from the most common to the least common.
- Water stands in the sink after the faucet is off.
- Both sides of a double sink back up at once.
- The dishwasher drains into the sink.
- A sour smell rises from the drain.
- Water leaks from the trap under the sink.
Seeing one of these signs? Call a local plumber now.
Call (607) 305-8020How does a plumber clear a kitchen sink clog?
A plumber uses the 5 steps below to clear a kitchen sink clog.
- Removes and cleans the P-trap under the sink.
- Snakes the branch drain behind the wall.
- Hydro jets the line when grease coats the pipe.
- Reinstalls the trap with new washers.
- Runs hot water and the dishwasher to test the flow.
How much does kitchen sink clog repair cost in Lancaster, PA?
Kitchen sink clog repair in Lancaster, PA costs $147–$345 for most drain cleaning jobs, according to HomeAdvisor. A P-trap replacement costs $200–$325, and a kitchen faucet replacement costs $162–$364.
Typical prices for 4 kitchen sink clog and repair jobs are shown in the table below.
| Job | Typical price |
|---|---|
| Drain cleaning (one drain) | $147–$345 |
| P-trap replacement | $200–$325 |
| Kitchen faucet replacement | $162–$364 |
| Garbage disposal installation | $200–$625 |
Source: HomeAdvisor national cost data, 2025–2026. Ranges are what most homeowners pay; your plumber gives the price for your job before work starts.
Want a price for your job? Call and describe the problem to a local plumber.
Call (607) 305-8020Related plumbing problems and next steps
When is a kitchen sink repair problem an emergency?
A kitchen sink repair problem is an emergency when water leaks into the cabinet and the floor below. Close the valves under the sink and call a plumber. Emergency calls for drain problems go to an emergency plumber for Lancaster County homes.
What services are related to kitchen sink clog and repair?
The 2 services related to kitchen sink clog and repair are listed below.
- Drain cleaning is the parent service, and the drain cleaning in Lancaster page covers it in full.
- Kitchen sink backing up on both sides has 4 causes, listed in the kitchen sink backing up on both sides guide.
Frequently asked questions
Why is my kitchen sink backing up on both sides?
Your kitchen sink is backing up on both sides because the clog sits past the point where the 2 drains join, in the shared trap or the branch line.
Will plumbers clean drains in a kitchen sink?
Yes, plumbers clean kitchen sink drains, from the trap to the branch line behind the wall.