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Plumbing Businesses
The 3 anchors. Don't leave the meeting without them.
Open the meeting
Three things to nail in the first 10 minutes.
- 1
Market average is 2.47x SDE; maintenance-focused operations with recurring contracts hit 4x–6x SDE.
- 2
BizBuySell 2025 median sale price of $638K reflects a healthy middle market with strong buyer demand.
- 3
EBITDA multiples of 2.43x–4.45x for small market; established firms can reach 6x–11x for PE add-on targets.
Mid-meeting — structure the deal
Three things to confirm before talking terms.
- 1
SBA 7(a) eligible — one of the cleanest categories for lender approval; down payment typically 10–20%.
- 2
Seller note size depends on deal structure — on SBA, expect ~5% on full standby per current 2025 rules (optional second note 5–10% with payment terms on top); on non-SBA it can run 10–50%+ of the price. Common; earnout on recurring contract retention is used in larger deals.
- 3
Master plumber license transfer is the critical path item — resolve before listing, not during escrow.
Close the meeting — surface the landmines
Three deal-killers to flag now, not at LOI.
- 1
Owner is Only Licensed Master Plumber
The state master plumber license is held only by the selling owner. — Verify state transfer requirements; arrange for a licensed employee or extended post-close employment; this is a hard lender requirement.
- 2
All Revenue from One-Off Emergency Calls
No recurring maintenance contracts — 100% reactive work. — Price at lower end (2.0x–2.5x SDE); advise launching service agreements before listing to improve multiple.
- 3
High 1099 Contractor Dependency
Most technicians are 1099 subcontractors with no W-2 workforce. — Document labor classification compliance; buyers and lenders will flag 1099-heavy workforces for misclassification risk.
All value drivers6
- Service agreements and recurring drain/maintenance contracts
- Well-trained workforce with licensed journeymen and master plumbers
- Fleet condition and well-maintained equipment
- Reputation, online reviews, and customer referral base
- Technology adoption (field service software, digital dispatch)
- Low owner-dependency and documented operational processes
All deal killers5
- Owner is the only licensed master plumber (license non-transferable)
- All revenue from one-off emergency calls — no recurring contracts
- High subcontractor (1099) dependency vs. W-2 workforce
- Aging or unserviced fleet requiring immediate capex
- Concentrated customer base (one client >20% of revenue)
Industry-specific discovery questions5
- Who holds the master plumber license — you or an employee — and is it state-portable?
- What percentage of revenue comes from recurring service/maintenance contracts vs. one-time calls?
- What is your W-2 vs. 1099 labor mix and average tech tenure?
- What are your gross margins on service vs. install vs. remodel work?
- What field service management system do you use and is job costing tracked?
Universal discovery questions12
- What's prompting the sale — retirement, partnership dispute, health, or new opportunity?
- What's your timeline to close, and what's flexible about it?
- Have you spoken with other brokers? Any signed engagement letters?
- What number do you have in your head for the business?
- Walk me through the last three years of revenue and the trend.
- What does your owner compensation actually look like — salary, distributions, perks?
- Who else needs to sign off on a sale? Spouse, partners, lender, landlord, franchisor?
- Day-to-day, what's your role versus your team's?
- Top three customers — what % of revenue do they represent?
- Lease, own, or family-owned real estate? Term remaining and rent vs market?
- Any pending litigation, tax issues, environmental concerns, or regulatory inspections?
- If I bring you a qualified buyer at your number in your timeline, are you ready to sign a listing today?
SDE quality questions9
- Cash basis or accrual? Reviewed or audited financials?
- What add-backs are you assuming — owner salary, family on payroll, personal vehicles, travel?
- Any related-party transactions or below-market lease from a family-owned LLC?
- Working capital today — receivables, inventory, accrued payroll, deferred revenue?
- How would you respond to a Quality of Earnings analysis on the last 24 months?
- Any one-time revenue or expense items in the last 24 months we should normalize?
- How long would you stay post-close for transition — 30, 60, 90 days, or longer?
- Are you open to carrying a seller note? Size depends on the deal — SBA caps the standby portion at ~5% (with an optional second note for 5–10% on payment terms), non-SBA can run anywhere from 10% up to 50%+ of the price.
- On the seller note, what interest rate and term are you targeting? Market is 6–10% interest, 3–7 year amortization — actual number depends on lender, deal size, and risk profile.
Live rebuttals — when they push back5
- They say
“I'm the only master plumber — can I really sell this?”
You sayYou can, and people do it every day. The key is structuring a transition where either you stay on temporarily or we find a licensed buyer who qualifies. Let's figure out which path fits your timeline.
- They say
“My revenue is mostly emergency calls — is that a problem?”
You sayIt's not fatal, but it limits the multiple. Emergency call volume is actually proof of demand — we just need to see if we can document some recurring service relationships to support a higher number.
- They say
“I don't want to disclose my real numbers until I have a serious buyer.”
You sayI hear that, and I protect your confidentiality. We can work with ranges and NDAs in early conversations — but a real buyer will need to see real numbers before they make a real offer.
- They say
“We have a year of work booked — that's worth something.”
You saySigned contracts with verifiable margin? Yes — 6+ months signed lifts the multiple. Quoted-but-unsigned pipeline gets zero credit. Pre-listing priority: convert pipeline to signed.
- They say
“If I leave, the business goes with me.”
You sayThen we have a problem to solve before we list, not at the closing table. SBA underwriters require a credible #2 in trades. Without it, the deal is uninsurable for the buyer.
All deal-killer flags (full detail)4
- Owner is Only Licensed Master Plumber
Trigger: The state master plumber license is held only by the selling owner.
Action: Verify state transfer requirements; arrange for a licensed employee or extended post-close employment; this is a hard lender requirement.
- All Revenue from One-Off Emergency Calls
Trigger: No recurring maintenance contracts — 100% reactive work.
Action: Price at lower end (2.0x–2.5x SDE); advise launching service agreements before listing to improve multiple.
- High 1099 Contractor Dependency
Trigger: Most technicians are 1099 subcontractors with no W-2 workforce.
Action: Document labor classification compliance; buyers and lenders will flag 1099-heavy workforces for misclassification risk.
- No Documented SOPs / KPI Dashboard
Trigger: Books in the owner's head, no weekly numbers meeting, dispatch on paper or whiteboard.
Action: IBBA Q4 2024 data shows KPI-dashboarded plumbing businesses sell at 7–10x EBITDA vs 5–6x without. 60-day fix.
Sources4
- https://peakbusinessvaluation.com/plumbing-business-valuation-multiples/
- https://www.bizbuysell.com/learning-center/valuation-benchmarks/plumbing/
- https://www.clearlyacquired.com/blog/what-is-a-multiple-and-how-does-it-determine-your-hvac-or-plumbing-business-value
- https://www.vikingmergers.com/valuation-multiples-by-industry/selling-a-plumbing-business/
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