Plumbing Contractors
Find licensed plumbing professionals across all 50 states. Every listing is verified against official state licensing boards -- completely free on List a Service.
What is Plumbing?
Professional plumbers install, repair, and maintain the water supply, drainage, and gas piping systems that are essential to every building. Licensed plumbers handle everything from fixing leaky faucets and unclogging drains to installing complete plumbing systems in new construction. They work with copper, PEX, PVC, and cast iron piping, install water heaters and tankless systems, set up sewer lines, handle water treatment and filtration systems, and ensure backflow prevention devices are properly installed and tested. Emergency plumbing services address burst pipes, sewer backups, and gas leaks that require immediate professional response. Modern plumbers also handle trenchless sewer repair, hydro jetting, and camera inspections to diagnose problems without destructive excavation.
Licensing and Regulations
Plumbing is one of the most heavily regulated trades. Most states require journeyman or master plumber licenses involving thousands of hours of apprenticeship, written examinations, and continuing education.
Common Plumbing Services
Licensed Plumbing Contractors
Browse 0 active licensed plumbing professionals across the United States. Every listing is sourced from official state licensing boards.
Searching...
How to Hire the Right Plumbing Contractor
Always hire a licensed and insured plumber for any work beyond basic maintenance
Ask about warranty coverage on both parts and labor
Request a camera inspection before agreeing to major sewer line work
Get a written estimate before any work begins
Verify they are familiar with your local plumbing codes
Frequently Asked Questions
When should I call a professional plumber?▼
Call a plumber for persistent clogs, low water pressure, water heater issues, visible pipe corrosion, sewage odors, water discoloration, any gas line concerns, or when you need fixtures installed. Attempting complex plumbing work without proper training can cause water damage and code violations.
How much does it cost to replace a water heater?▼
Traditional tank water heater replacement typically ranges from $800 to $2,000 including installation. Tankless water heaters range from $1,500 to $4,000 installed. Costs vary by fuel type, capacity, local codes, and accessibility of the installation location.
What is trenchless sewer repair?▼
Trenchless sewer repair is a method of fixing damaged sewer lines without excavating your entire yard. Techniques include pipe lining (cured-in-place pipe) and pipe bursting. It is faster, less destructive, and often more cost-effective than traditional dig-and-replace methods.
How often should drains be professionally cleaned?▼
Preventive drain cleaning every 12 to 24 months helps avoid major blockages. Older homes, properties with mature trees near sewer lines, or buildings with heavy use may benefit from annual cleaning to prevent root intrusion and buildup.
Do plumbers handle gas line work?▼
Yes, licensed plumbers are typically qualified to install, repair, and test gas lines. Gas work requires specific certifications in most jurisdictions. Always hire a licensed professional for gas line work due to the serious safety risks involved.
Ready to Grow Your Plumbing Business?
Join List a Service and connect with property owners searching for plumbing services nationwide. Create your professional profile in minutes -- completely free.
Create Your Free Profile