Plumbing business valuation: what is your company worth?
Plumbing companies are priced on adjusted EBITDA and a multiple. The multiple depends far more on your revenue mix than on your revenue. Here is how the math actually works.
Free and confidential. Nothing is listed without your approval.
Plumbing is the largest trade adjacent to HVAC, and capital is moving into it.
The same sponsors that consolidated HVAC are adding plumbing to their platforms. Recent sector transactions:
How plumbing businesses are actually valued
Almost every plumbing transaction comes down to one formula: adjusted EBITDA multiplied by a multiple. Adjusted EBITDA is your earnings before interest, taxes, depreciation, and amortization, with owner-specific costs added back. The multiple is what the market will pay for a dollar of those earnings, and it is where the entire negotiation happens.
Step one: get to adjusted EBITDA
Start with net income and add back interest, taxes, depreciation, and amortization. Then add back what a new owner would not incur: your compensation above a market-rate general manager salary, personal vehicles, family members on payroll who do not work in the business, personal travel and meals, and one-time costs like a lawsuit or a building move. Subtract anything the business needs but has not been paying for, such as a replacement for you or deferred truck replacement. A $4M revenue plumbing company showing $180K of net income often has $450K to $600K of genuine adjusted EBITDA once this is done properly.
Step two: revenue mix sets the multiple
This is where plumbing diverges most from HVAC. Plumbing revenue comes from at least five distinct lines, and buyers price them very differently. Emergency service and drain work is the premium: high margin, non-deferrable, cash collected on completion. Water heater replacement is predictable and forecastable from installed base age. Repipe and remodel is project work with longer cycles. New construction rough-in is the discount line, being lower margin, builder-dependent, and exposed to housing cycles. Two plumbing companies with $700K of EBITDA can be two full turns apart on multiple purely because one is 80 percent service and the other is 45 percent new construction.
| Profile | Typical EBITDA multiple | Notes |
|---|---|---|
| Under $500K EBITDA, construction-weighted | 3x – 4x | Owner in the field, builder concentration, thin management. Priced as an asset purchase in many cases. |
| Under $500K EBITDA, service-weighted | 4x – 5x | Emergency and drain revenue, repeat customer base, reasonable ticket averages. |
| $500K – $1.5M EBITDA, service-weighted | 4.5x – 6x | Add-on candidate. A service manager running the field is worth roughly half a turn. |
| $1.5M – $3M EBITDA, service and drain | 5.5x – 7x | Trenchless capability, active membership program, clean financials that survive quality of earnings. |
| $3M+ EBITDA, platform quality | 7x – 9x | Multi-location or dominant single market, full management bench, audited or review-level financials. |
Step three: the specific factors buyers adjust for
- Service share of revenue. The largest single driver. Every point moved from construction to service raises the multiple.
- Drain, sewer, and trenchless capability. The highest-margin work in the trade and the hardest to replicate. Worth a meaningful premium.
- Management depth. If you personally sell the jobs, dispatch the trucks, or hold the key relationships, buyers discount for the risk that value leaves with you.
- Membership or maintenance plans. Contracted recurring revenue, even at modest penetration, is treated as the most durable part of the book.
- Builder concentration. One builder above 20 percent of revenue is a discount, not a strength.
- Financial quality. Accrual-basis statements, job-level costing, and a clean general ledger routinely add half a turn versus cash-basis books that need reconstruction.
- Master license transition. If the master plumber license is yours personally, buyers need a plan before close. Unresolved, it becomes a price issue.
What actually moves your number in twelve months
Revenue growth is the slowest lever. The fast ones are shifting mix toward service, promoting or hiring a service manager so the business runs without you, launching or expanding a membership program, cleaning up the financials so a quality-of-earnings review does not produce surprises, and reducing builder concentration. Owners who spend a year on those five items frequently see a full turn of improvement, which on $800K of EBITDA is $800,000.
How a confidential sale works here.
Free valuation first. Nothing is listed, and no buyer sees your name, without your approval.
Revenue, EBITDA, recurring mix. An estimated enterprise value range in a couple of minutes, with no contact details required to see it.
Pressure-test the estimate with an operator who has run a trade business and knows what buyers actually pay for.
Your profile reaches vetted buyers with confirmed capital and a mandate that fits your market. Nothing identifying until you approve it.
Compare structures side by side with your own counsel. No seller fee comes out of your proceeds.
Plumbing valuation questions.
What is the average multiple for a plumbing business?
Most owner-operated plumbing companies transact between roughly 4x and 7x adjusted EBITDA. Businesses under $500K of EBITDA with heavy new-construction revenue land nearer 3x to 4x, while service-weighted companies above $1.5M of EBITDA with drain and trenchless capability reach 6x to 7x. Platform-quality businesses above $3M can exceed that.
How much is my plumbing company worth if it does $3M in revenue?
Revenue alone does not determine it. A $3M-revenue plumbing company might have anywhere from $200K to $600K of adjusted EBITDA depending on margins and how the owner is compensated, and the multiple applied to that could range from 3x to 6x depending on service mix and management depth. That is a spread from roughly $600K to $3.6M on identical revenue, which is why the EBITDA calculation and the mix analysis matter more than the top line.
Why does new construction work lower my valuation?
Because it is less durable and less profitable. Rough-in work carries thinner margins, depends on a small number of builders, ties up cash in retainage, and stops when housing starts slow. Buyers underwrite it at a lower multiple than service revenue, which does not defer and collects on completion. Shifting mix toward service is the most reliable way to raise the number.
Do plumbing companies sell for less than HVAC companies?
Generally somewhat less, yes. HVAC benefits from a strong seasonal replacement cycle and higher maintenance agreement penetration, which makes revenue easier to forecast. Plumbing compensates with genuinely non-deferrable emergency demand and high-margin drain work. A well-run service-weighted plumbing company can outprice a mediocre HVAC company.
How do I get an accurate valuation without telling buyers I am for sale?
Our valuation is confidential and free. You submit financial basics, we return the multiple range your profile supports and the specific factors moving it, and nothing is listed and no buyer sees your identity unless and until you approve it. Owners routinely use it as a planning exercise years before selling.
Find out what your plumbing business is worth.
Free, confidential, and no obligation. You will see the range and the reasons behind it.