

Rooter & Drain Careers
Drain Cleaning Commercial Drain Technician
At a Glance
$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
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
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
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
The Gear
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
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
COMMON QUESTIONS
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
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.


