The short answer: A solo owner-operator takes home $50K, $100K, about what a senior employed plumber earns. An established multi-crew firm pays its owner $150K, $250K+. On plumbing businesses that actually sell, median owner earnings (SDE) run about $276,650 on median revenue near $1.29M, and 2025 margins on sold shops hit a five-year high of ~26.7%. (BLS; BizBuySell)
Solo plumber vs. business owner: two different incomes
The most common mistake is treating "plumber pay" and "plumbing owner pay" as the same thing. They're not, and the difference is the whole reason to own the company rather than swing the wrench.
| Role | Typical annual income | What it represents |
|---|---|---|
| Employed plumber (median) | $62,970 | BLS median wage; top 10% over $105,150 |
| Solo owner-operator | $50K, $100K | Buying yourself a job, similar to a senior employed plumber |
| Multi-crew firm owner | $150K, $250K+ | Owner as manager/investor, crews doing the work |
| Median SDE (businesses sold) | $276,650 | Full owner economic benefit on a ~$1.29M shop |
An employed plumber earns a wage. A plumbing owner earns a wage plus a profit plus an asset that sells for 2.6× its earnings. That third thing is the point.
Salary vs. SDE: read the right number
When you evaluate a plumbing business to buy, ignore the "owner salary" line and look at SDE, seller's discretionary earnings. SDE is the total benefit of ownership: net profit, plus the owner's salary, plus perks and one-time costs added back. Here's how it's built on a representative $1.29M shop:
| Line | Amount |
|---|---|
| Revenue | $1,290,000 |
| Reported net profit | $90,000 |
| + Owner's salary (add-back) | +$130,000 |
| + Owner perks (vehicle, phone, insurance) | +$26,000 |
| + One-time / non-recurring | +$30,000 |
| Seller's Discretionary Earnings (SDE) | $276,650 |
| SDE margin | ~21% |
Reported margins are deceptive here: small owner-operator shops often net just 2 to 8%, while top performers reach 20 to 35%. The 2025 sold-business median of ~26.7% is high precisely because sellable businesses tend to be better-run than the average shop. At the ~2.62× multiple, that $276,650 of SDE implies a price near $725,000.
What you take home after buying
As a buyer, your take-home is SDE minus your new loan payment and a market salary reserve. On an $800,000 acquisition:
| Line | Amount |
|---|---|
| SDE (owner earnings) | $276,650 |
| Less: annual SBA debt service (P&I) | −$110,000 |
| Cash flow after debt | $166,650 |
| Owner take-home (salary + retained cash) | $130K, $170K |
Run it yourself and that ~$167K is your pay. Hire a general manager to run it and your take-home shrinks but your time frees up. Note one plumbing-specific wrinkle: if you're not the license-holder, retaining a master plumber on payroll is a real cost line, factor it in. Model your version in the valuation calculator.
The lever that raises plumbing owner income
Shift the mix toward commercial recurring-maintenance contracts. They pay more per hour, smooth cash flow, and trade at a higher multiple, so they lift both your income now and your exit price later. See the plumbing playbook.
What moves a plumbing owner's income
- Owner-in-the-truck vs. owner-in-the-office. The single biggest determinant of whether you earn $70K or $200K.
- Revenue mix. Commercial recurring > residential service > new construction, in that order, for both margin and stability.
- License structure. If you must employ a master plumber, that salary is a permanent cost; if you hold the license, it's income.
- Recurring revenue share. 40 to 60% recurring is the mark of a high-earning, sellable shop.
- Labor retention. Plumbers and apprentices are scarce; turnover quietly erodes margin.
See what it costs to own this income
Here's the price, down payment, and worked plumbing deal.
Frequently asked questions
Solo owner-operators take home $50K, $100K; established multi-crew firms $150K, $250K+. On businesses that sell, median owner earnings (SDE) run ~$276,650 on ~$1.29M revenue. See plumbing data.
It varies widely, small shops net 2 to 8%, top performers 20 to 35%. On plumbing businesses that sold in 2025 the median margin hit a five-year high near 26.7%, because sellable businesses are better run than average.
Yes, but not automatically. An employed plumber earns ~$63K (BLS median). A solo owner earns similar at first; an owner who builds a multi-crew shop with commercial contracts can take home $150K, $250K+ and build a sellable asset worth ~2.6× earnings.
Take-home is SDE minus debt service and a salary reserve. On ~$277K SDE with ~$110K annual payments, an owner-operator often nets $130K, $170K in year one before reinvestment. See cost to buy.
Sources
- Plumber wages, BLS Occupational Outlook Handbook; Glassdoor; Housecall Pro owner-salary data.
- SDE, median revenue & margin, BizBuySell plumbing valuation benchmarks (2025).
- Net-margin range, Simpro plumbing industry statistics (2026 compilation).
