Business Case: Plumbing Business

Plumbing Residential

Result: Added $140K to $190K in annual profit by fixing unit economics per job

The situation
Residential plumbing businesses often look busy but still struggle to generate strong profit. Industry benchmarks show healthy operators generate 10 to 25 percent net margins, driven by tight control over labor hours, materials, and minimum job pricing. This company was running full schedules but netting closer to 8 percent.

What we did
We applied the CFO Practice unit economics method at the job level.

How it worked step by step

1. Defined the true cost per job including technician time, truck costs, and materials

2. Calculated contribution margin per job type

3. Identified jobs that looked profitable but lost money after labor overruns

4. Reset minimum pricing and labor assumptions by service category

5. Built a simple per job margin scorecard reviewed monthly