How to Check If a Plumber Is Registered – A Step-by-Step Guide

Hiring a plumber might seem straightforward—until you realize the person you booked isn’t legally allowed to do the work. In the U.S., plumbing is a regulated trade, and hiring an unregistered or unlicensed plumber can lead to poor workmanship, safety hazards, or even legal trouble. If you’re wondering how to check if a plumber is…