Rooter & Drain Careers

Drain Cleaning Commercial Drain Technician

You solve the complex drainage problems restaurants, hospitals, and multi-story buildings can not afford. This page walks you through the real path, from your first commercial call to the income that comes with experience.

At a Glance

The Basics

$44,150- $108,420

High School Diploma

7% Growth

National pay range, U.S. Bureau of Labor Statistics

Typical entry-level education required

Much faster than average job growth through 2035, BLS

Large-Scale Systems

Valid Driver's License

Off-Hours Work Common

Works on grease traps and building-wide drainage

A clean driving record with no DUIs, you'll be driving to commercial sites

Service on occupied buildings is often scheduled nights or weekends

The Real Timeline

The Path

Commercial systems are bigger and more complex, and mastering them takes real time. Here's how that expertise typically builds, stage by stage.

Apprentice (Year 1-4)

Journeyman Commercial Technician

Lead Technician / Facilities Specialist

You often start with residential experience, then learn commercial grease trap systems under a licensed technician. Wages typically start around 40 to 50 percent of full journeyworker pay. Source: U.S. Department of Labor.

You're diagnosing and clearing large-scale commercial drainage independently, from grease traps to building-wide sewer mains. Median annual wage: $63,800. Source: U.S. Bureau of Labor Statistics, May 2025.

Years of experience can lead into managing accounts or supervising a team. Top 10 percent of earners make more than $108,420 a year. Source: U.S. Bureau of Labor Statistics, May 2025.

The Real Work

What You'll Actually Do

Commercial drainage problems affect a lot more people than a single household, and that scale shapes the whole job.

  • Diagnose and clear grease trap and large-diameter drain lines using commercial-grade equipment

  • Service multi-unit and building-wide drainage systems across office buildings and apartment complexes

  • Run scheduled preventive maintenance that keeps recurring commercial accounts clog-free

  • Coordinate with facility managers on scheduling around business hours, often working nights or weekends

  • Handle emergency calls where a backup affects an entire building rather than one unit

  • Read complex commercial plumbing blueprints and schematics for larger properties

Know Yourself

Are You a Fit for This Role?

Commercial drain work rewards someone comfortable with complex systems and genuinely flexible scheduling.

  • Comfortable with complex, large-scale drainage systems, not just residential-sized lines

  • Flexible with scheduling, commercial service often happens nights or weekends

  • Detail-oriented, a mistake on a building-wide system affects far more people at once

  • Comfortable working independently in unfamiliar commercial buildings

  • A clear communicator, coordinating directly with facility managers and building staff

  • Patient, diagnosing a complex commercial system can take real, unhurried troubleshooting time

A Real Workday

A Day in the Life

What does commercial drain work actually look like day to day? Here's a real look.

A scheduled grease trap cleaning at a restaurant kicks off the morning, working before the kitchen opens so the cleaning doesn't disrupt service. How often does a commercial grease trap actually need servicing? It depends heavily on kitchen volume, but many restaurants need it monthly, which is exactly why recurring commercial accounts keep this work steady. Midday brings a call to an office building where a drain backup is affecting multiple floors, and tracing the issue back to its source takes real, careful troubleshooting. After clearing it, part of the afternoon goes to preventive jetting on a hospital's main lines, where getting it right carries genuinely higher stakes than a typical commercial account. Some evenings mean working after-hours in an empty commercial building so a repair doesn't disrupt daytime business. Some days are steady, scheduled maintenance across several accounts. Others involve a real emergency affecting an entire building at once. Either way, you clock out knowing you kept a building, and the people relying on it, running smoothly today.

The Toolkit

Skills You'll Build

Every job teaches you something new.

Commercial Diagnostics

Preventive Maintenance

Blueprint Reading

Diagnose grease traps and large-diameter lines.

Keep recurring commercial accounts clog-free.

Understand complex commercial plumbing drawings.

Scheduling & Coordination

Jetting & Cable Operation

Camera Inspection

Work around occupied buildings without disrupting operations.

Use commercial-grade equipment on larger lines.

Diagnose problems in extensive commercial systems.

Customer Communication

Documentation

Explain findings clearly to facility managers.

Keep clear service records for recurring accounts.

The Gear

Tools of the Trade

This is the equipment you'll actually be using day to day.

Commercial Cable Machine

Hydro Jetting Equipment

Pipe Camera

Clears larger-diameter commercial lines.

Handles tough commercial blockages and grease.

Inspects extensive commercial drainage systems.

Grease Trap Pumping Equipment

Locating Equipment

Protective Gear

Services and maintains grease interceptors.

Pinpoints problems in large commercial systems.

Keeps you safe working with wastewater lines.

The Real Cost

What It Actually Costs to Start

Not free, but no years of tuition either.

Basic Hand Tools

Boots & Safety Gear

Apprenticeship Enrollment

Few hundred dollars to start, employer provides the commercial equipment.

$100-$200, steel-toe boots, safety glasses, and gloves are a real upfront cost most people do not budget for.

Typically free, most drain cleaning apprenticeships are paid, not tuition-based.

Get Started

How to Get Started

Here's where to actually begin.

Build Residential Experience First

Learn Grease Trap Systems

Explore Testing & Certs

Most commercial techs start in residential drain work before specializing.

Commercial accounts often center on grease trap service.

See every certification path Advancing the Trades offers.

THE DEMAND

Where the Work Is

Real growth data, not guesses.

7% Growth

42,000 Openings

Commercial Demand

Much faster than average job growth through 2035, per the U.S. Bureau of Labor Statistics.

Projected job openings each year nationally, per the U.S. Bureau of Labor Statistics.

Every restaurant, hospital, and office building with drainage needs this role, consistently.

COMMON QUESTIONS

FAQ

Is this different from residential drain work?

Do I need to work nights or weekends?

Yes, commercial systems are larger and often include grease traps and multi-unit lines.

Often, since service on occupied buildings is scheduled around business hours.

Do I need special certification?

Can this lead into facilities management?

Not required everywhere, but grease trap and jetting training adds real value.

Yes, many technicians move into facilities or account management roles.

Ready to Start

Your Plumbing Career Starts Here

Explore certifications and every career this trade offers.

Pay figures on this page are national averages from the U.S. Bureau of Labor Statistics and other public sources. Actual pay varies by state, city, employer, and experience, so use these numbers as a starting point, not a guarantee, and research wages in your specific area before making a decision.