The difference between a leak that costs a mop and a leak that costs a floor is almost always measured in the seconds it takes to shut the water off. The homeowners who come through a burst supply line or a failed water heater with the least damage are rarely the ones with the most tools; they are the ones who already knew, before anything went wrong, exactly where their shutoffs were and that those valves actually turned.
This guide is a calm-day project, not an emergency one. Walk your Foley home once with this list, label what you find, and turn each valve to make sure it is not seized. If a line ever lets go, you will move on instinct instead of searching the internet with wet feet.
The three levels of shutoff, from fixture to whole house
Every home has water control at three levels, and knowing all three lets you shut off only as much as you need to. The fixture stop under a sink or behind a toilet kills water to that one thing while the rest of the house keeps running. The whole-house main stops everything at once and is your answer to a burst pipe or a leak you cannot see. And the meter shutoff at the street is the backup for when the house main itself fails or cannot be reached.
Most people know the toilet stop and nothing else, which is fine for a running toilet and useless for a pipe that failed inside a wall. The main is the valve that saves floors.
Finding your whole-house main in a Foley home
On a slab-built Foley home, the main shutoff is usually where the water line enters the house, often in a garage, a utility closet, or on an exterior wall near the front hose bib. It may be a lever-style ball valve, which you turn a quarter turn to close, or an older round wheel-style gate valve, which you turn clockwise several times. Some homes only have a reliable shutoff at the meter box near the street, in which case that box is your main, and you will want a meter key on hand to open it.
Find it now, in daylight, and confirm it moves. Gate valves in particular can seize after years of never being touched, and the worst time to discover a frozen valve is the moment you need it. If yours will not budge or weeps when you close it, that is a small planned repair today instead of a crisis later.
Locate every fixture stop
Check under each sink and behind each toilet for the small oval or round handle on the supply line. Note any that are missing, painted over, or will not turn.
Find the whole-house main
Trace the line from where it enters the house, or from the meter. Tag it with a label or a bright zip tie so anyone in the house can find it fast.
Turn each valve fully and back
Exercise every valve through its full range once. A valve that turns freely today will turn freely in an emergency.
Confirm the meter shutoff and a key
Open the meter box, identify the utility shutoff, and keep a meter key nearby. This is your backstop if the house main fails.
Why coastal homes especially should do this
Foley has a large share of second homes and seasonal rentals that sit empty for stretches. A supply line or water heater that fails in an empty house runs unopposed for days, and empty-house water damage is consistently among the most expensive claims an owner faces. If you own a property that sits vacant, knowing the main is only half of it; consider shutting the water off entirely between stays.
What to do in the first minute of a leak
When a line lets go, the order is simple and it does not include finding a bucket first. Close the nearest shutoff that stops the flow, going straight to the whole-house main if you cannot tell where the water is coming from. Then kill power to any area where water is near outlets or the electrical panel. Only once the water has stopped do you start moving belongings and mopping. Water that is no longer arriving is water you can manage; water that is still pouring is not.
| What failed | Which valve to close | Why |
|---|---|---|
| Running or overflowing toilet | The stop behind that toilet | Isolates the problem, house keeps water |
| Leaking faucet or supply line under a sink | The stop under that sink | Stops the fixture without shutting the house |
| Burst pipe in a wall or ceiling | The whole-house main | You cannot isolate what you cannot see |
| Failed water heater | The cold inlet valve on the heater, or the main | Stops it filling while it drains |
| House main is seized or leaking | The meter shutoff at the street | Your backstop when the main fails |
After the water is off
Stopping the flow buys you time; it does not fix the pipe. Once the water is off and safe, that is the moment to call so the actual repair happens before mildew sets into our humid air. The faster a wet cavity is opened, dried, and repaired, the smaller the job stays.
Questions Foley owners ask about this
What if my house main valve won't turn?
A seized main is common in homes where the valve was never exercised. Do not force an old gate valve so hard it snaps. Use the meter shutoff at the street as your working shutoff and have the house main replaced with a modern quarter-turn ball valve, which is a small job that pays for itself the first time you need it.
Do I really need a meter key?
It is cheap insurance. If your house main ever fails or you cannot reach it, the meter shutoff is your only remaining control, and most meter boxes need a key to open and operate. Keeping one in a known spot means the street valve is always available to you.
Should I shut water off when my Foley rental sits empty?
For a property that sits vacant between guests or seasons, yes, it is worth it. A failure in an occupied house gets caught in minutes; the same failure in an empty house can run for days. Shutting the main between stays removes that risk entirely for the cost of a few seconds each visit.
Valve seized, or already dealing with a leak?
Call and tell us what is happening. We will talk you through stopping the water now and get a plumber out to make the real repair.