Every homeowner needs a plumber at some point. However, hiring the wrong one can mean water damage, failed inspections, voided warranties, and bills you didn’t see coming. The difference often comes down to knowing what to look for before the work begins.
Here’s everything you need to check before hiring a plumbing contractor.
Depending on the type of work you need, a qualified plumbing contractor may offer the following services:
Emergency response or after-hours service for time-sensitive issues such as burst pipes, overflowing toilets, and severe leaks.
Installing new plumbing systems, gas lines, and fixtures (sinks, toilets, showers) for new construction or complex remodels.
Repair of leaks, pipes, drains, and sewer lines. This can include camera inspections to help locate blockages or line damage with less guesswork and, in some cases, less invasive work.
Comprehensive repair and installation of standard tank, tankless, hybrid, and other high-efficiency water heaters.
Installation and upkeep of whole-home filtration and water softening systems to protect your pipes from scale and contaminants.
Whole-home plumbing inspections, inspection for signs of corrosion, and installation of protective devices to help keep your drinking water safe.
Finding a plumber is easy; finding a qualified, trustworthy contractor is harder. Being proactive means checking credentials before agreeing to work with someone.
Plumbing is a highly regulated trade because it directly impacts public health and sanitation. Most jurisdictions require a contractor to have four to five years of supervised apprentice or journeyman experience before they can take state-mandated trade and business exams.
When verifying a license, look for these levels:
Requirements vary by state, so always check your state or local licensing authority, such as your department of labor or contractor licensing board. Ensure their license is active and check for any disciplinary history.
Before work begins, ask for a certificate of insurance. This document is your proof that the contractor carries two types of protection that shield you from financial disaster. General liability helps cover certain property damage or injury claims. Workers’ compensation covers employee injuries that happen on the job.
Not all plumbers do the same type of work. Someone who usually fixes leaky faucets might not be ready to replace all the pipes in your home. To make sure a contractor is a good fit, ask to see photos of jobs they have done that are just like yours.
Beyond the basic license, specialized certifications signal a contractor’s commitment to safety and modern standards:
Reviews are your window into a plumber’s reliability. Even the best contractors occasionally have to come back to fix a mistake; the mark of a pro is how quickly and professionally they make things right. Check Google Business Profiles, Yelp, and the Better Business Bureau.
Ask for two or three local references from the past six months and ask them specifically about job-site cleanliness and whether the final bill matched the estimate.
Plumbing costs are usually based on labor and materials. Most contractors use one of two pricing methods. Flat-rate pricing gives you a set number for a standard job, like $250 to install a faucet, which helps with budgeting.
Time and materials pricing charges you for the actual hours worked, often between $45 and $200 per hour, plus the cost of parts. This is common for complex repairs where the full problem isn’t known until the work begins.
Keep in mind that emergency plumbing visits after hours or on weekends usually cost more.
Plumbing codes, such as the International Plumbing Code (IPC) or Uniform Plumbing Code (UPC), exist to prevent sewer gas leaks and water contamination. Major plumbing work, like water heater replacements, sewer line repairs, or moving supply lines, requires a municipal permit.
A licensed contractor usually gets the permit for you. They submit the permit paperwork and coordinate the required inspections. One happens while the pipes are still visible, and the final one happens when the job is done.
Working without a permit is a big risk. You could face expensive fines or have your insurance claim denied if a leak happens later.
Choosing a contractor for your home renovation can be challenging, and homeowners often need assistance. Renovate can be your first step toward finding a plumber. Simply fill out our form to get started. It only takes a few minutes, and we can use the information to try to connect you with a local plumbing contractor.
Why trust Renovate?
A plumber is an individual who performs the work, while a plumbing contractor is a licensed business entity that can handle large-scale projects, pull permits, and carry the necessary insurance to hire other plumbers.
You may save on the purchase price by buying your own fixture, but confirm compatibility, delivery timing, and warranty terms before you do. If the faucet you bought has a defect, you will likely have to pay the plumber for the labor to remove and reinstall a replacement.
This fee covers the cost of fuel, vehicle maintenance, and the plumber’s time to drive to your home and diagnose the problem. Some contractors apply the service fee toward the repair if you move forward, while others treat it as a separate diagnostic charge.
