Plumbers in McCormick Ranch

Gray plastic pipe stamped “PB2110” is the thing to look for under a McCormick Ranch sink. The land was once the McCormick family’s Arabian horse ranch. By the 1970s it was turning into one of Scottsdale’s original master-planned communities, with man-made lakes, golf, and greenbelt paths along Indian Bend Wash, and building carried on through the 1980s. Those were the polybutylene years, which is the detail that matters to a plumber.

Polybutylene was cheap, flexible, and quick to run, and builders across the Valley used it from the late 1970s into the mid-1990s. It doesn’t fail gradually. Chlorine in municipal water breaks down the pipe and its fittings from the inside until something splits, often in the attic above a ceiling or behind a finished wall. Gray pipe at the water heater or under a vanity means you have it, even if it has never leaked.

The lasting fix is a whole-home repipe, usually in PEX, and the repipe decision tool helps you judge the timing if nothing has failed yet. The mature landscaping that makes the neighborhood pleasant has also had decades to work into older sewer laterals, so a slow main drain here calls for a camera inspection before anyone reaches for a shovel.