Industry benchmarks · cost diagnostics
Plumbing Profit Margin Calculator
Calculate your plumbing company's profit margin and compare it against industry benchmarks.
Plumbing profit margin is the key metric for evaluating contractor sustainability — yet many owners track revenue without knowing their true net margin. This calculator computes margin from real cost inputs and benchmarks you against plumbing companies nationwide.
- Net margin = (Revenue − Payroll − Materials − Fleet − Marketing − Overhead) ÷ Revenue
- Industry median is 11%; healthy plumbing companies fall between 8–14%
- Plumber payroll and materials together should stay under 58% of revenue
Built for plumbing owners, aspiring contractors, and buyers evaluating plumbing company profitability.
Source: BizMetricsHQ 380+ plumbing businesses (2025–2026). Methodology
Your Numbers
Enter annual figures from your P&L.
Net Profit
$176,000
Net Margin
11.0%
Gross Margin
80.0%
Industry Benchmark
Average Plumbing: 8–14%
Median 11% · 380+ U.S. Plumbing businesses
Average
Profit Breakdown
- Plumber Payroll$544,000 (34%)
- Materials & Parts$320,000 (20%)
- Fleet$112,000 (7%)
- Marketing$128,000 (8%)
- Overhead$320,000 (20%)
- Net Profit$176,000 (11%)
Bottom Quartile
4–7%
Thin margins — review labor efficiency and material costs.
Average
8–11%
Typical range for owner-operated plumbing contractors.
Top Quartile
12–14%
Strong operators with maintenance contracts and disciplined dispatch.
Elite
15%+
Best-in-class companies with high emergency mix and lean overhead.
Related Plumbing Data
- Plumbing Revenue Benchmarks
Median $1.6M — revenue by plumber count and service mix.
- Plumbing Profit Margins
Net margin tiers, gross margin, and cost structure.
- Plumbing Owner Salary
What plumbing owners earn by company size.
- Plumbing Valuation Multiples
SDE, EBITDA, and revenue multiples for plumbing sales.
Frequently Asked Questions
What is a good profit margin for a plumbing business?
A good net profit margin for an owner-operated plumbing company is 11–14%. Top-quartile operators with strong emergency dispatch and maintenance contracts achieve 15–18%. Below 8% signals payroll burden or weak pricing.
What is the average plumbing profit margin?
The median net profit margin for U.S. plumbing contractors is approximately 11%, based on our sample of 380+ businesses. Residential-heavy companies average 9–13%; commercial-focused firms can reach 12–15% with contract work.
How can plumbing companies improve profitability?
The highest-impact levers are maintenance contract penetration, emergency call premium pricing, plumber productivity (target $215K+ revenue per plumber), material cost control, and route density to reduce non-billable drive time.
What is a healthy gross margin for plumbing?
Healthy plumbing gross margins (revenue minus direct materials and job costs) typically run 42–52%. Emergency service work tends toward the higher end; new construction plumbing runs lower but at higher volume.