Plumbing in Arizona is a heat, mineral, and slab problem in the desert, and a freeze problem once you climb. Water heaters fail from scale and from sitting in garages or attics that bake. Supply lines run through attics that reach brutal temperatures, and a pinhole there becomes a ceiling flood. Many houses are on slabs, so a hot spot in the floor can mean a leak you cannot see. In Flagstaff and the rim, the urgent version is a pipe in an exterior wall on a hard night.
Know the main shutoff before you need it. A supply leak does not wait. Say whether the water is at a fixture, in the ceiling, or in the yard. Say whether you can shut the house down. Irrigation ties, cooler supply lines, and pool fills add leaks that are not the domestic system, and mixing them up wastes the visit. Drain calls need a different sentence: is the stoppage a single tub, or are several fixtures backing up together.
Hard water is the quiet destroyer. Scale stacks in heaters, clog aerators, and stiffens valves. Ask whether a replacement heater includes a shutoff, a pan, a discharge line, and haul-away, and whether the unit is gas or electric, tank or tankless. Ask whether the anode and the flue condition were looked at before a repair is declared hopeless. In rural counties, say whether the house is on a well and a septic field, because those change both the diagnosis and the caution.
A cable clears a blockage. It does not repair a broken pipe. Ask which one is being proposed, and whether a camera is part of the work if the cable does not hold. Ask who opens a wall and who patches it. Ask about hose bibs before the one cold snap the desert still manages, and about insulation on lines in the high country before the first real freeze. Manufactured homes hide different fittings than block houses. Say which you have.
If water is where it should not be, do not study it overnight. Call the number on this page.