Short definition
A meter pit is the below-grade vault — concrete, plastic, or steel — that houses your water meter and adjacent valves on the utility-owned side of the service connection. It sits in the right-of-way or at the property line, with a removable lid at grade. Some installations include the curb stop in the same pit; others use a separate stop box.
What it is
In Washington, most single-family meters live in a meter pit at the front edge of the property. The pit is a vertical cylinder or box dropped into the ground, deep enough to keep the meter below local frost depth, with a metal or plastic lid at the surface for utility access. Inside, the supply line enters one side, passes through the meter, and exits toward the house.
Some older Seattle and Tacoma multi-family stock places the meter inside a basement closet rather than a yard-side vault — historical practice, still seen in pre-1950 buildings.
Why it matters to a homeowner
Three reasons it shows up in homeowner conversation:
- Utility access. The pit lid needs to be reachable for meter reading, leak checks, and replacement. If you’ve landscaped over it, the utility may ask you to clear access.
- Smart-meter upgrades. Most Washington utilities have moved to radio-read meters; the upgrade happens inside the existing pit, and the utility may ask you to keep nearby vegetation trimmed.
- Damage and freeze. A flooded pit, frozen meter, or roots displacing the lid are utility repairs — but the homeowner is usually the first to notice and the one who calls.
The pit itself isn’t yours, but the access path across your front yard typically is.