Plumbing in Fresno, CA

A deeper look at how Fresno conditions shape the plumbing work owners actually need.

Fresno's water supply comes primarily from the Sierra Nevada snowpack via the Kings River and local groundwater, a blend that produces water with measurable mineral content and slightly alkaline pH. Over decades of contact, that chemistry contributes to pinhole leaks in copper supply lines, particularly in older homes in Sunnyside and McLane where original copper pipe has been in service since the 1950s or 1960s. A single pinhole leak under a slab foundation can go undetected for months while slowly saturating the subgrade and migrating toward flooring adhesives and baseboard framing. By the time a homeowner or tenant notices a wet spot, the moisture damage often extends well beyond the leak point. Bridgepoint uses electronic leak detection equipment to isolate the leak location before any cutting or jackhammering, which minimizes the floor and finish damage involved in the repair. For properties where pinhole leaks have appeared more than once, a whole home repipe is often more economical than continued spot repair.

A copper to PEX repipe on a typical 1960s Fresno slab home runs through accessible attic and wall cavity runs and eliminates the under slab liability going forward. On the drain side, sewer lines in Tower District and Downtown that date to the 1920s and 1930s are due for video inspection if they have not been looked at in the past decade. Root intrusion from mature street trees is a documented failure mode in these blocks, and a pipe that is 30 percent occluded by roots is one heavy rain event away from a backup. Annual precipitation averages just 10.4 inches in Fresno but it arrives in concentrated winter storms that can overwhelm a partially obstructed drain line. All plumbing permits are pulled through the City of Fresno and work is licensed under the California Contractors State License Board.