San Antonio Plumbing & Drain Services — $1.8M Revenue, 24% SDE Margin, Scalable Systems
Full acquisition analysis: financials, market context, valuation, risk assessment, and 100-day integration plan.
View Original Listing ↗At a Glance
Established 2006 plumbing and drain services business serving San Antonio residential and commercial markets. Revenue mix includes repairs, maintenance, drain cleaning, and sewer solutions. Business operates with documented systems (scheduling, dispatch, profitability tracking), preferred supplier pricing, and scalable team structure. Home-based operation with 1 full-time employee. Seller reports $386K cash flow; reconstructed SDE of $451K (24.5% margin) after adding back $120K owner salary and $7K depreciation.
Key Strengths
- Essential service with resilient demand across economic cycles
- Documented operational systems reduce key-person dependency
- Healthy 24.5% SDE margin vs. 18-22% industry average
- Preferred supplier pricing provides cost advantage
- Fragmented market (500-600 competitors) offers consolidation upside
- Strong local economy: 3.8% GDP growth, 3.5% unemployment (March 2024)
- Home-based operation minimizes fixed overhead
Key Questions
- What is customer concentration? Top 10 customers as % of revenue?
- How many active customers annually? Retention rate?
- Who are the licensed plumbers? Will Responsible Master Plumber (RMP) transfer or does buyer need to hire one?
- Marketing channel breakdown? What drives new customer acquisition?
- What percentage residential vs. commercial? Any recurring service agreements?
- Vehicle fleet details: owned/leased, condition, replacement schedule?
- Why only 1 employee for $1.8M revenue? Are subcontractors used?
- Breakdown of $662K COGS: parts/materials vs. subcontractor labor?
- Any deferred maintenance, warranty claims, or liability exposure?
- What systems/software are in place for scheduling and dispatch?
Reconstructed P&L
| Line Item | Amount | % Revenue | Benchmark |
|---|---|---|---|
| COGS (Materials) | –$662,314 | 36.0% | Industry avg: 36.0% |
| Direct Labor | –$625,518 | 34.0% | Industry avg: 34.0% |
| Gross Profit | $551,928 | 30.0% | Calculated |
| Vehicle / Fleet | –$55,193 | 3.0% | Industry range: 2-5% |
| Insurance (GL, WC, Auto) | –$45,994 | 2.5% | Industry range: 2-4% |
| Office / Admin / Software | –$36,795 | 2.0% | Industry range: 1-3% |
| Marketing | –$18,398 | 1.0% | Industry range: 0.5-3% |
| Rent / Facilities | –$36,795 | 2.0% | Industry range: 1-4% |
| Other Overhead | –$27,596 | 1.5% | Industry range: 1-3% |
| Depreciation | –$7,359 | 0.4% | Industry range: 0.3-0.5% |
| Net Profit (reported) | $323,798 | 17.6% | Before owner add-backs |
| Owner Salary Add-Back | $120,000 | 6.5% | $500K-$2M revenue tier |
| Depreciation Add-Back | $7,359 | 0.4% | Non-cash expense |
| EBITDA (Est.) | $331,157 | 18.0% | Benchmark: 15–20% healthy |
| Estimated SDE | ~$451,157 | 24.5% |
SBA Financing Model
Estimated SDE of ~$451,157 can support SBA 7(a) debt service on a $425,000 acquisition. Assuming 10% down ($42,500) and a 10-year term at ~10.5% SBA rates, annual debt service is approximately $61,935. Estimated pre-tax income to owner: ~$389,222+ after debt service.
Cash Flow Reality Check
Cash Conversion Cycle
Working Capital Recommendations
- Maintain $80K Cash Reserve: Build buffer equal to 45 days operating expenses to smooth Jan/Dec seasonal trough (15% revenue decline). Prevents liquidity stress during slowest months.
- Accelerate May-June Collections: Peak revenue months (10% above baseline) drive highest receivables. Offer 2% early-pay discount or weekly invoicing to reduce DSO from 30 to 20 days during summer surge.
- Negotiate 45-Day Supplier Terms: Current 20-day payables create negative working capital gap. Extended terms would reduce peak WC need by $40K-$50K and improve cash conversion cycle.
- Implement Service Agreements: Recurring maintenance plans (target 15-20% of revenue) smooth seasonal volatility and improve cash predictability. Monthly billing reduces collection lag.
How Sticky Is the Revenue?
Customer Concentration (Est.)
Revenue Retention Estimate: Est. 60-70% annual retention for residential; 75-85% for commercial contracts (industry benchmarks). Emergency repair customers exhibit 2-3 year repeat cycles.
Estimated percentage of revenue retained after an ownership transition, based on industry benchmarks and business characteristics.
Churn Risk Factors
What's This Business Worth?
| Method | Low | Mid | High |
|---|---|---|---|
| SDE Multiple | $405,000 | $451,000 | $495,000 |
| EBITDA Multiple (3.0x-3.5x) | $993,000 | $1,159,000 | $1,159,000 |
| Comparable Transactions | $400,000 | $450,000 | $500,000 |
Premium Factors
Discount Factors
Market & Comparable Transactions
San Antonio plumbing market is highly fragmented with 500-600 competitors, primarily independent operators. Economy strong: 3.8% annualized growth (Sept 2024), 3.5% unemployment (March 2024), robust construction/government/leisure sectors. Residential/commercial growth tied to Joint Base San Antonio, I-10/I-35/I-37 infrastructure corridors, and River Walk development. Labor market tight: national 55% plumber shortage, Texas projected 13% trade growth through 2027, Austin-area hiring timelines 30-90 days. PE consolidation underway: Wrench Group (25 brands, 14 states, 7,300 employees) and Apex Service Partners (75 brands, 46 states, Apollo-backed) operate locally with significant capital/scale advantages. Regulatory environment stable: TSBPE licensing, $300K general liability insurance, Master Plumber RMP designation required.
| Comparable | Revenue | Multiple | Location |
|---|---|---|---|
| San Antonio niche plumbing (tunneling/slab leak specialist), strong reputation, hundreds of 5-star reviews | $750K-$1.2M (est.) | 1.5x-2.0x SDE | San Antonio, TX |
| Schrader Plumbing acquired by P3 Services (Stellex Capital platform) as expansion vehicle | Not disclosed | 5.5x-8.5x EBITDA (PE-backed) | Dallas, TX |
| Texas regional plumbing company, equity rollover for seller, construction group buyer | $5.95M | Not specified (strategic) | Texas |
Bull Case
Buyer acquires recession-resistant essential service with proven systems at fair valuation (1.1x SDE vs. 1.5-2.0x niche comps). Fragmented market offers consolidation upside through systematic marketing execution and team expansion. Preferred supplier pricing and operational documentation enable immediate profitability and reduce integration risk. SBA financing delivers $389K annual cash after debt service (86% of SDE retained). Strong local economy, military presence, and infrastructure investment support demand growth. Low marketing spend (1.0% vs. 3-5% growth-stage peers) suggests significant organic expansion opportunity. Home-based operation minimizes overhead drag during scaling. 30% gross margin healthy for trade services.
Bear Case
National labor shortage (550K plumbers by 2027) creates hiring/retention risk and wage pressure, compressing future margins. Single employee for $1.8M revenue raises dependency questions and suggests heavy owner involvement or undisclosed subcontractor reliance. PE consolidators (Wrench, Apex) bring institutional marketing budgets and brand recognition that may erode independent pricing power over time. RMP license transfer uncertain — if seller's Master Plumber exits, buyer must hire/retain licensed professional immediately. Limited financial transparency (no customer list, retention data, or revenue mix detail) increases due diligence risk. Low marketing spend may reflect mature/declining customer base rather than efficiency. Seasonal revenue swing (15% Jan/Dec trough vs. June peak) requires working capital buffer.
Who You're Up Against
| Company | Type | Est. Revenue | Threat Level |
|---|---|---|---|
| George Plumbing Co. | Independent | $5M-$10M (est.) | Top-ranked local plumber, 80-year history, strong brand loyalty. Competes on reputation and scale but lacks preferred pricing/systems advantages. |
| Chambliss Plumbing | Independent | $3M-$7M (est.) | Established 1990, PHCC National Plumbing Contractor of the Year (2012). Strong commercial presence and industry credibility. |
| Wrench Group (American Air SA) | PE-Backed | $50M+ (platform) | 25 brands, 14 states, 7,300 employees, 400K+ service agreements. Deep pockets for marketing, wages, and acquisitions. Targets residential HVAC/plumbing cross-sell. |
| Apex Service Partners | PE-Backed | $100M+ (platform) | 75 brands, 46 states, Apollo-backed, Dallas HQ. Aggressive M&A and local market consolidation strategy. Plumbing core business line. |
Competitive Advantages
Moat Assessment
Narrow moat driven by operational efficiency and supplier relationships rather than brand or scale. Competitive advantages are replicable by well-capitalized entrants (PE consolidators) but defensible against typical independents. Durability depends on sustained execution, customer retention, and ability to attract/retain licensed labor in shortage environment. Local service quality and response time remain key differentiators vs. large platforms.
Risk Scores & Due Diligence
Due Diligence Priorities
- 1. License Transfer & RMP Designation: Verify Responsible Master Plumber status, transfer process, and backup plan if current RMP exits. Confirm $300K general liability insurance coverage and TSBPE compliance. Budget $225 RMP designation fee.
- 2. Customer Concentration & Retention: Request full customer list with 3-year revenue history. Calculate top 10 concentration, annual retention rate, and churn drivers. Validate recurring vs. one-time revenue mix.
- 3. Labor Structure & Subcontractor Dependency: Clarify whether $625K direct labor is W-2 employees or 1099 subcontractors. Review subcontractor agreements, pricing terms, and retention risk. Assess owner's field vs. management hours.
- 4. Fleet Condition & Replacement Schedule: Inspect all vehicles, review maintenance records, confirm ownership/lease terms. Estimate deferred maintenance and replacement capital needs (typically $40K-$60K per truck).
- 5. Marketing Channel Attribution: Break down new customer acquisition by channel (organic search, paid ads, referrals, repeat). Assess SEO/Google My Business performance and review software systems (scheduling, dispatch, CRM).
- 6. Residential vs. Commercial Revenue Mix: Segment revenue by customer type, ticket size, and margin. Identify any large commercial contracts at risk post-transition. Quantify service agreement/maintenance plan revenue.
- 7. Liability & Warranty Exposure: Review claims history (GL, WC), warranty obligations, and any pending disputes. Confirm no code violations, permit issues, or TSBPE disciplinary actions.
What Needs to Transfer
Potential Deal Breakers
- Failure to transfer RMP designation or inability to hire Master Plumber within 30 days
- Lapse in general liability insurance coverage (violates TSBPE requirements)
- Loss of single full-time employee pre-close with no transition plan
- Undisclosed TSBPE violations, code enforcement actions, or pending liability claims
100-Day Integration Playbook
- Transfer RMP designation or hire Master Plumber (if needed)
- Sign retention bonuses for any licensed plumbers/technicians
- Shadow seller on job dispatch, customer service, and supplier negotiations
- Review all active jobs, warranties, and customer commitments
- Validate insurance coverage ($300K GL, WC, auto) and TSBPE compliance
- Launch Google Local Services Ads and SEO optimization
- Implement customer follow-up campaign (email, SMS) for past clients
- Introduce service agreements/maintenance plans to build recurring revenue
- Measure marketing ROI by channel and adjust spend allocation
- Establish KPIs: leads/week, conversion rate, average ticket, customer lifetime value
- Renegotiate supplier contracts leveraging volume and preferred pricing
- Review top 20 jobs for pricing discipline and margin leakage
- Assess subcontractor vs. W-2 labor mix and align with growth goals
- Implement job costing by category (repair, maintenance, drain, sewer)
- Evaluate technology upgrades (e.g., ServiceTitan, Housecall Pro) for efficiency
- Hire apprentice or journeyman plumber and enroll in TSBPE apprenticeship program
- Expand service radius by 10-15 miles targeting underserved neighborhoods
- Launch referral incentive program and Google review collection campaign
- Test commercial/property management outreach for recurring contract revenue
- Build 12-month cash reserve to buffer seasonal revenue swings (Jan/Dec)
Value Creation Waterfall (3-Year Outlook)
Our Verdict
Verdict: Recommended — Proceed to LOI
Recommend acquisition at $410K-$425K (0.94x-0.98x SDE), pending successful due diligence on license transfer, customer concentration, and labor structure. This is a fundamentally sound business with strong margins, documented systems, and fragmented market opportunity. Asking price is fair relative to comps and SBA financing delivers excellent cash-on-cash return (9.2x). Primary risks are labor availability and PE competition, but neither is immediately disqualifying for an operator-buyer willing to invest in team development and marketing. Walk if RMP transfer fails, customer concentration exceeds 50% in top 10, or undisclosed liabilities surface.
Recommended Next Steps
- Request full customer list (3-year revenue by account, retention data)
- Schedule RMP license transfer consultation with Texas State Board of Plumbing Examiners
- Interview existing employee and any subcontractors to assess retention risk
- Inspect fleet vehicles and review maintenance/replacement records
- Review scheduling/dispatch software and validate system documentation claims
- Request marketing channel breakdown (source, cost, conversion by channel)
- Confirm residential vs. commercial revenue split and service agreement base
- Engage SBA lender to pre-qualify financing (10% down, 10-year term, 10.5% rate)
- Budget $15K-$20K for QofE accounting review and legal (license, contracts, insurance)
- Negotiate 60-90 day training period with seller tied to milestone payments
Suggested Offer Structure
$410K cash at close (0.94x SDE), SBA 7(a) financed, contingent on: (1) successful RMP transfer or buyer securing Master Plumber within 30 days, (2) customer concentration below 40% in top 10 accounts, (3) clean title on all vehicles and equipment, (4) no undisclosed liabilities or TSBPE violations. Seller to provide 60 days onboarding with $10K holdback released upon completion.
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Related Resources
Sources
BizBuySell Listing #2518207 · Federal Reserve Bank of Dallas San Antonio Business-Cycle Index (Sept 2024) · Texas Workforce Commission Unemployment Data (March 2024) · Texas State Board of Plumbing Examiners Licensing Requirements · Plumbing Industry Benchmarks (PHCC, Service Titan, RSMeans) · Private Equity Monitor: Wrench Group, Apex Service Partners · San Antonio Business Journal Market Analysis · Bureau of Labor Statistics Occupational Outlook (Plumbers) · Comparable Transaction Data: Private Databases