Average plumbing business revenue, profit margin, and owner pay

Most independent plumbing businesses collect between $500,000 and $2.5 million a year, run net profit margins that average under 8 percent, and pay their owner a number the internet cannot agree on, quoted anywhere from $40,000 to $250,000. Those figures come mostly from field-service software companies and coaching firms, and they rarely line up. This page gives you a sourced version of all three, revenue, margin, and owner pay, and then the number none of those pages provide: what your operating figures are actually worth when you sell, and why two plumbing businesses at the same revenue can be worth twice as different amounts.

How much does a plumbing business make?

Revenue tracks fairly cleanly with size and headcount. The ranges below describe independent residential and light-commercial plumbers, which is where most owners reading this sit.

Most independent shops fall in the $500,000 to $2.5 million band. But revenue is the least useful number here, because two plumbing businesses at the same revenue can earn wildly different profits and be worth very different amounts. The reason is the kind of work, which is where the margin story begins.

What is a healthy plumbing profit margin?

This is the number that surprises owners most, and plumbing shows it more starkly than almost any trade. Gross margins look healthy, roughly 40 to 60 percent, but net margins are thin: the industry average runs under 8 percent. Well-run businesses reach 18 to 25 percent, and the distance between those two is not a rounding error. Take the number the coaching firms use: the same $1.5 million plumbing company nets about $60,000 at a 4 percent margin, or about $270,000 at an 18 percent margin, on identical revenue. Same trucks, same market, a $210,000 difference in the owner's pocket, decided entirely by pricing, overhead control, and work mix.

Margins vary sharply by the type of work, which is why mix matters so much: drain and sewer work runs 60 to 75 percent gross, emergency and service work 48 to 70 percent, water-heater and fixture installs 40 to 52 percent, and new-construction rough-in as low as 15 to 28 percent. Here is where a typical dollar of plumbing revenue goes.

One operating benchmark tells you most of what you need about productivity: revenue per plumber runs $150,000 to $250,000 in a healthy shop and past $350,000 for a true selling tech who presents options rather than doing the bare minimum. A shop that fixes its overhead and its revenue per plumber is usually the same shop that climbs from the 4 percent margin to the 18 percent one.

How much does a plumbing business owner make?

Here the public data falls apart, and it is worth knowing why before you compare yourself to it. Reported owner pay ranges from about $40,000 for a solo operator to $250,000 for a strong multi-tech business, with the national average landing around $70,000 to $120,000. The spread is not measurement error. It is that most sources report a salary, while an owner's real income is salary plus whatever profit the business produces, plus the personal costs many owners run through the company.

The figure that actually matters, and the one a valuation is built on, is the owner's total economic benefit: salary, profit, and add-backs combined. In valuation terms that is seller's discretionary earnings, or SDE. Measured that way, the owner of that "getting by" $1.5 million shop is taking home something like $60,000 to $75,000, while the owner of the well-run version is closer to $160,000 to $220,000. The gap is not skill with a wrench. It is how the business is built, which is the same thing that decides what it is worth.

What these numbers are actually worth

Every benchmark above stops at the operating line. Here is the part that connects them to money in your pocket at the end, which the software blogs and coaching sites never do.

Owner-operated plumbing businesses generally sell for about 1.5 to 3.8 times SDE, with a typical established service business near 2.9 times. Two forces decide where you land.

Margin is worth far more than it looks, because it is counted twice. Go back to the two versions of that $1.5 million shop. The weak one nets around $60,000; the strong one around $270,000. That $210,000 of extra annual earnings is not just $210,000. At a typical multiple near three, it is roughly $600,000 of difference in what the business would sell for. The same discipline that raises this year's take-home raises the sale price by several times as much, which is the entire reason to chase margin whether or not you ever sell.

The kind of revenue matters more than the amount. A buyer pays a premium for durable, high-margin, repeatable earnings. A service-led business with a drain-and-sewer specialty and repeat relationships earns the top of the multiple range; a low-margin, project-driven new-construction operation earns the bottom, even at higher revenue. The same $300,000 of earnings can be worth roughly $600,000 as a construction-heavy shop and closer to $1.1 million as a service-led one, purely because of what kind of work produces it. And a recurring maintenance book, still rare in plumbing, is an edge precisely because most competitors have not built one.

The private-equity numbers are real, and they are not about you. The home-services roll-ups, which often combine plumbing with heating, cooling, and electrical, pay high EBITDA multiples for large, service-heavy, owner-independent companies. A single owner-operated shop is not worth those multiples; it trades on SDE at 1.5 to 3.8 times. The distance between the two is size, service revenue, and whether the business runs without you, and those are things you can move.

For the full treatment of what moves the multiple up and down, our guide to what a plumbing business is worth walks through the drivers in depth.

What this means for your shop right now

Benchmarks are only useful against your own numbers. Line up your revenue, your net margin, your owner take-home, and your revenue per plumber against the ranges above, and then ask the question the vendor blogs never do: which gap is costing me the most, not just in income this year, but in what the business is worth? A shop at a 5 percent margin doing mostly installs, with the owner still running calls, is leaving money on both lines at once, and the fixes are the same fixes.

That comparison is what the assessment does. It takes your actual financials, benchmarks them against businesses like yours, and returns your valuation with the drivers ranked by dollar impact, so the number arrives with its own to-do list. The free calculator gives you the size-adjusted range first if you would rather start there. Either way, the reason to know your number now, rather than when a home-services platform calls, is that knowing it early is the only way to tell whether the work you are doing is building value while you can still act on it, and to judge an offer against an independent read when one arrives.

Common questions

Benchmark ranges are drawn from IRS Statistics of Income business data, U.S. Bureau of Labor Statistics wage data, and published plumbing industry benchmarks; private-equity multiples reference public M&A reporting. Valuation multiples reflect Honest Assessment's model for owner-operated businesses, expressed on an SDE basis; they are size-spanned ranges, not observed sale prices, and where a specific business lands depends on the factors above. Worked examples are illustrative.