Some plumbing problems need a plumber this minute; others can safely wait until morning and cost less. Here is how to tell the difference so you neither overpay nor ignore something serious.
Written bySteven Lockhart·Reviewed byMiguel Lopez, Owner & Licensed Plumber (CSLB #974600)·Last reviewedJune 2026 · 4 min read
Quick Answer
A plumbing emergency is any problem that is actively causing damage or making the home unsafe or unusable: a burst pipe or major leak, sewage backing up into the home, no water at all, a gas smell (leave and call the gas company first), or an overflow you cannot stop. Problems that are contained — a dripping faucet, one slow drain, a running toilet — can usually wait for a scheduled visit. This is part of our complete guide to emergency plumbing in West Los Angeles.
To decide is it a plumbing emergency, ask two questions: is it actively causing damage, and is it making the home unsafe or unusable? A pipe flooding a room is both — emergency. A faucet dripping into the sink is neither — it can wait. Between those, judge by whether water is escaping where you cannot stop it, whether you have water and working drains, and whether anyone’s safety is at risk. This guide is part of our complete resource on emergency plumbing in West Los Angeles.
A plumbing emergency is a plumbing problem that is actively causing damage, or that makes the home unsafe or unusable — requiring immediate attention rather than a scheduled repair.
These plumbing emergency examples and urgent plumbing problems generally need a plumber now — the table contrasts them with issues that can usually wait.
| Call now (emergency) | Usually can wait | Why |
|---|---|---|
| Burst pipe / major leak | Dripping faucet | Active vs. contained damage |
| Sewage backing up | One slow drain | Health hazard vs. nuisance |
| No water to the home | Low pressure at one tap | Whole-home vs. localized |
| Gas smell (leave first) | Running toilet | Safety vs. waste |
Knowing when to call the emergency plumber saves both money and damage. Call immediately for active flooding, sewage in the home, a complete loss of water, or any overflow you cannot stop — and shut off the water while you wait. For a gas smell, the order is different: leave the home and call the gas company or 911 first, then a plumber. For contained problems, a scheduled visit is safer for your wallet, and we will tell you honestly which category you are in.
A homeowner has a toilet that overflowed and water spreading across the bathroom floor at night.
They shut off the toilet’s supply valve to stop the flow, then call to ask whether it is a true emergency.
New Pro confirms the overflow is stopped and safely contained, schedules a next-morning visit, and saves the homeowner an after-hours premium.
The Bottom Line
A plumbing emergency is anything actively causing damage or making the home unsafe — burst pipes, sewage backups, no water, gas smells. Contained problems can wait and cost less. When in doubt, shut off the water and call; we will help you judge and respond fast if it cannot wait. For gas, leave and call the gas company first. More on our emergency plumbing page.
Anything actively causing damage or making the home unsafe or unusable: a burst pipe or major leak, sewage backing up indoors, a total loss of water, an overflow you cannot stop, or a gas smell. These need immediate attention rather than a scheduled repair.
Usually not, if it is one fixture and contained — it can wait for a scheduled visit. But if multiple fixtures back up at once or sewage is coming up, that points to a main-line problem and is more urgent.
Leave the home immediately and call the gas company or 911 from outside — before calling a plumber and before touching switches or flames. Gas comes first; it is a safety emergency, not just a plumbing one.
No — those are contained and waste water but cause no immediate damage, so they can wait for a scheduled visit, which costs less than an after-hours call. They are still worth fixing to stop the waste.
Often yes. If water is escaping where you cannot stop it, shutting off the fixture valve or the main contains the damage and buys time to decide whether you need an immediate visit or can schedule one.
If the problem is actively flooding, a safety risk, or you have no water, call now. If it is contained and safe, a scheduled visit is cheaper. Call us and we will help you judge honestly which it is.
Written by the New Pro Plumbing content team and reviewed for technical accuracy by Miguel Lopez, owner and California-licensed plumber (CSLB #974600). Pipe lifespans are presented as typical ranges, not guarantees, and any pricing is confirmed in writing before work begins.
What's new: June 2026 — first publication.
Call us and we'll help you judge — and respond fast if it can't. 24/7. (310) 663-7666.
