With countless DIY tutorials available online, it’s tempting to tackle plumbing repairs yourself. While some minor issues are perfectly suited for a handy homeowner, others require the expertise, tools, and licensing of a professional plumber. Knowing the difference can save you time, money, and the headache of making a small problem much worse.
Simple tasks like replacing a showerhead, fixing a running toilet with a new flapper valve, or clearing a minor sink clog with a plunger are generally safe for DIY. These repairs involve basic tools, readily available parts, and minimal risk of causing additional damage. However, even with these simple fixes, if you’re unsure about what you’re doing, there’s no shame in calling a professional.
On the other hand, certain plumbing work should always be left to licensed professionals. This includes anything involving your main water line, sewer line, gas lines, or water heater. Projects that require permits—like repiping, adding new fixtures, or modifying drain lines—need professional installation to meet building codes and pass inspection. Attempting these repairs without proper knowledge can result in water damage, gas leaks, code violations, and voided insurance coverage.
A good rule of thumb: if the repair involves shutting off the main water supply, working with gas lines, accessing pipes behind walls or under slabs, or if you’ve attempted a fix and the problem persists, it’s time to call a plumber. Professional plumbers have the training, experience, and specialized equipment to diagnose problems accurately and implement lasting solutions. The cost of a professional repair is almost always less than the cost of fixing a DIY job gone wrong.