Most plumbing calls begin with a small clue: a drip under the cabinet, a toilet that runs for a few seconds too long, a drain that has been slow for a month. The sooner you describe it clearly, the easier it is for a local plumbing professional to tell you whether it is a quick fix, a larger repair, or something that should not wait until morning.
Call now
- Water is actively running where it should not, or a supply line will not shut off.
- A toilet or drain is backing up into the tub, shower, or floor.
- You smell gas, see scorch marks near a water heater, or have no safe way to stop a leak.
Can usually wait
- A single fixture drips into a bucket and the cabinet stays dry.
- A drain is slow but still clears with normal use.
- A running toilet stops on its own and the tank is not overflowing.
Have this ready
- Your city and ZIP code.
- Where the water is coming from and whether the main shutoff works.
- The age of the home and the fixture, if you know it.
What is different about plumbing in Los Angeles
Plumbing calls in a city are shaped by the age of the housing, the foundation type, and the water. Older neighborhoods tend to have more original shutoff valves and drain lines; newer suburbs tend to have more slab plumbing and pressure issues. A local pro who works the same housing stock every week will recognize the pattern faster.
In Los Angeles, about 70% of the housing stock predates 1980, and the median home was built in 1965. That does not tell you what is wrong with your house, but it does tell the pro what to expect when they open the door.
Hard water and mineral scale
In hard-water regions, fixtures, water heaters, and shower valves collect scale faster. A pressure reading and a description of the water quality can help separate a failed fixture from a system-wide issue.
Older housing stock
Homes built before the 1980s may still have galvanized supply lines, cast-iron drains, or original shutoff valves that no longer close. Tell the call team the approximate age of the home; it changes what the plumber brings and how long the visit may take.
What the desk hears
- 01
Water under the sink
Usually a supply connection, a drain fitting, or the seal around the sink basket. Wipe the area dry, put a dry paper towel under the trap, and watch where the first dark spot appears. That detail saves time on the call.
- 02
A toilet that will not stop running
The flapper, fill valve, or float is the common suspect. If the bowl is also backing up or the tank overflows, stop using it and treat it as an active backup rather than a quiet repair.
- 03
Slow or gurgling drains
One slow sink is often local hair, grease, or soap. Several slow drains, gurgling sounds, or a smell from the floor drain can point to a shared vent or main line issue that is worth diagnosing before it backs up.
- 04
Low water pressure
A single faucet with weak flow is usually the aerator or cartridge. Low pressure at every fixture can be a supply, regulator, or pipe issue. Note whether it changed suddenly or faded over time.
Call now or wait?
Call now
- Active supply-line leakShut off the fixture valve or the main water valve if you can reach it safely, then call. Water can travel along joists and show up far from the source.
- Sewage backing upStop using water in the affected area. A backup can be a blocked main, a failed pump, or a city-side issue; describe what you see and whether other drains are affected.
- Water heater leaking from the tankShut off the water and the gas or breaker, then call. A tank leak can worsen quickly; do not keep reheating an empty or leaking unit.
- A pipe you cannot isolateIf a supply line is spraying and there is no fixture valve, shut off the main. If the main will not close, call and say so clearly; that changes the urgency.
Can usually wait
- A slow drain that still clearsAvoid chemical drain cleaners, especially in older pipes. Use a strainer, remove what you can by hand, and call if the drain gets slower or starts to back up.
- A dripping outdoor spigotA small exterior drip wastes water but is usually not an indoor emergency. Shut off the interior valve for that spigot if one exists, and describe the frost-free style when you call.
- A toilet that runs occasionallyA flapper that sticks once in a while can usually wait for a normal appointment. If it runs constantly, the water waste and overflow risk make it a sooner call.
- A loose or wobbling toiletStop sitting on it if it feels unstable. A loose closet flange can damage the floor seal; it is better handled before the floor around it softens.
Before you dial: the 60-second prep
- Find the main water shutoff before you call, and check whether it turns.
- Put a towel or bucket under the leak and clear the cabinet.
- Take one photo of the leak and one of the fixture or pipe label.
- Write down the home's age and any recent plumbing work.
- Check whether the water is hot, cold, or both.
- Keep pets and children out of the work area.
What happens when you call
You describe the problem
The call team asks where you are, what is happening, and whether the water is contained. Plain details are more useful than a diagnosis.
The desk routes the call
Your city and the type of issue determine which independent local plumbing professional receives the call.
You confirm the visit
The professional explains availability, the likely approach, and any call-out or diagnostic charge before work begins.
Questions worth asking the pro
- What is the likely cause, and how did you narrow it down?
- Is this a repair, a replacement, or a diagnostic visit?
- What does the visit cost before any work is approved?
- Will you need to shut off water to the whole house, and for how long?