Why map shutoffs in an older house
Older homes collect valves. Over a century of remodels, a bungalow or Victorian can end up with a main shutoff that moved, branch valves in the crawlspace that nobody remembers, and fixture stops of very different ages. In an emergency, guessing costs minutes.
This worksheet walks you through each location in a sensible order. Write down where each valve is, what kind it is and whether it actually works. Then make a simple sketch of the house and mark the spots.
Main shutoffs
| Shutoff | Where it is | Type (wheel / lever) | Tested and works? |
|---|---|---|---|
| Main water shutoff at the house | |||
| Water meter (city side, do not force) | n/a | Contact the city water utility | |
| Gas meter shutoff | Note only; do not test | ||
| Main electrical panel | n/a | ||
| Water heater cold-water valve |
Fixture stops, room by room
Check under or behind each fixture and tick the ones that have a working stop valve.
How to fill it in
- Start at the street.Note where the meter box sits, then follow the likely route of the supply line toward the house.
- Find the house main.Look near the front hose bib and where the pipe enters the foundation or crawlspace.
- Test gently.Turn water valves slowly by hand only. If one is stiff or spins freely, write that down instead of forcing it.
- Work through each room.Tick each fixture stop and note any that leak, are missing or will not turn.
- Sketch and post.Draw a simple floor plan, mark each shutoff and tape a copy near the main door or inside a utility closet.
Notes to bring to a plumber
- Which valves would not turn or did not stop the water?
- Are any fixtures missing stop valves?
- Is the main a gate valve you would like replaced with a quarter-turn valve?
- Did you find more than one valve on the main line?
Common questions
How often should I update this map?
After any plumbing work, and whenever you test the valves. Keep the posted copy current.
What if I cannot find the main shutoff?
Note where you looked and ask a plumber to locate it. In an emergency in the meantime, contact the City of Orange water utility about the meter.
Should guests or tenants have a copy?
Yes. Anyone who might be home alone during a leak should know where the main is.
General information for Old Towne Orange, not a quote or professional advice. In an emergency, call 911.