afrexai-plumbing-business

by 1kalin

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SKILL.md About

# Plumbing Business Operations

Run a more profitable plumbing company. Covers pricing, dispatching, licensing, inventory, and growth.

## How to Use

Tell your AI agent: "Help me with plumbing business operations" and reference this skill.

---

## Pricing & Estimating

### Service Rate Structure
| Service Type | Typical Range | Notes |
|---|---|---|
| Service call / diagnostic | $75–$150 | Covers truck roll + first 30 min |
| Hourly labor (residential) | $90–$180/hr | Varies by market, license level |
| Hourly labor (commercial) | $120–$250/hr | Prevailing wage on public jobs |
| Flat-rate residential | Per task book | Standardize with flat-rate pricing manual |
| Emergency / after-hours | 1.5x–2x standard | Minimum charge $200–$350 |
| Drain cleaning (basic) | $150–$350 | Snake or hydro-jet upsell |
| Water heater install | $1,200–$3,500 | Tank; tankless $2,500–$5,500 |
| Repipe (whole house) | $4,500–$15,000+ | Copper vs PEX, access difficulty |
| Sewer line replacement | $3,000–$25,000 | Trenchless vs traditional |
| Backflow testing | $75–$250 | Annual certification required |

### Markup & Margin Targets
- **Materials markup:** 30–50% over cost (higher on specialty fittings)
- **Target gross margin:** 55–65% on service, 35–45% on new construction
- **Net profit target:** 12–20% after overhead
- **Flat-rate advantage:** Customers prefer known price. Build flat-rate book with labor + materials + margin baked in.

### Estimating Commercial Work
1. Takeoff from blueprints — count fixtures, linear feet of pipe, connection points
2. Labor hours = fixture count × labor units (use PHCC or MCAA labor tables)
3. Materials at contractor pricing + 25–40% markup
4. Add permits, inspections, equipment rental, subcontractors
5. Overhead allocation: 15–25% of direct costs
6. Profit margin: 10–20% depending on competition and relationship

---

## Dispatching & Scheduling

### Daily Operations
- **Morning huddle:** 10 min max. Review board, flag callbacks, assign emergency slots.
- **Dispatch priority:** Emergency → scheduled service → estimates → new construction
- **Service windows:** 2-hour windows (8-10, 10-12, 12-2, 2-4). Never promise exact times.
- **Drive time:** Max 30 min between jobs. Zone-based dispatching saves 15–25% fuel costs.
- **Callback slots:** Reserve 1–2 slots daily for warranty/redo work.

### Tech Utilization
- Target: 75–85% billable hours per tech per day (6–6.8 hrs of an 8-hr day)
- Track: revenue per tech per day, average ticket, callback rate
- Top performers: $1,500–$3,000+ revenue per day

### Software Stack
- **Field service:** ServiceTitan, Housecall Pro, or Jobber
- **Dispatching:** GPS fleet tracking (Verizon Connect, Samsara)
- **Invoicing:** QuickBooks integration with field service platform
- **Customer communication:** Automated text/email confirmations, on-my-way alerts

---

## Licensing & Compliance

### License Types (varies by state)
| License | Requirements | Scope |
|---|---|---|
| Apprentice | Registered, supervised | Work under journeyman/master |
| Journeyman | 4–5 years + exam | Independent residential work |
| Master Plumber | 2–4 years journeyman + exam | Pull permits, supervise, sign off |
| Contractor | Master license + business license | Bid and contract jobs |

### Key Compliance Areas
- **Permits:** Required for new installs, repipes, water heater replacements, sewer work. Pulling permits = liability protection + upsell proof.
- **Code:** International Plumbing Code (IPC) or Uniform Plumbing Code (UPC) depending on jurisdiction. Know which your state/county adopts.
- **Backflow:** Annual testing/reporting required by water authority. Certified testers needed.
- **EPA Lead-Safe:** RRP Rule for pre-1978 buildings. $37K+ fines for violations.
- **OSHA:** Trench safety (competent person required), confined space entry for sewer work, PPE.
- **Insurance minimums:** General liability $1M/$2M, workers comp (mandatory in most states), commercial auto, tools/equipment floater.
- **Continuing education:** 4–16 hours annually in most states for license renewal.

---

## Inventory & Fleet

### Truck Stock Standards
Every service truck should carry:
- **Fittings:** Common sizes in copper, PEX, PVC, CPVC, ABS, cast iron (1/2" through 4")
- **Valves:** Ball valves, gate valves, check valves, PRVs — residential sizes
- **Water heater parts:** Thermocouples, gas valves, elements, anodes, T&P valves
- **Drain supplies:** Cables (1/4" through 3/4"), cutters, auger heads
- **Fixtures:** Faucet cartridges (top 10 brands), supply lines, angle stops, wax rings, flanges
- **Tools:** Channel locks, basin wrench, tubing cutter, PEX crimp/expansion, soldering kit, camera (drain inspection)

### Inventory Management
- **Par levels:** Set min/max for every truck stock item. Reorder at min.
- **Weekly truck audit:** 30 min per truck. Missing inventory = lost revenue.
- **Warehouse:** Central warehouse for overflow, specialty items, water heaters.
- **Vendor accounts:** Ferguson, Hajoca, local supply houses. Net-30 terms. Negotiate annually.
- **Shrinkage target:** Under 2% of materials cost.

### Fleet
- **Vehicle:** Sprinter vans (preferred), box trucks for commercial, pickups for apprentices
- **Maintenance:** PM schedule — oil, tires, brakes per mileage. Fleet downtime kills revenue.
- **Branding:** Full vehicle wraps = 30,000–70,000 impressions per day per truck. Best ROI marketing.

---

## Marketing & Lead Generation

### Highest ROI Channels
1. **Google Local Services Ads (LSA):** Pay per lead, Google Guaranteed badge. #1 channel for most plumbers.
2. **Google Business Profile:** 5-star reviews drive calls. Ask every happy customer. Respond to all reviews.
3. **SEO:** "Plumber near me" + city pages. Long game but compounds.
4. **Referral program:** $50–$100 per referred job. Track and pay promptly.
5. **Home service platforms:** Angi, Thumbtack, Yelp — test each, track CPL.
6. **Vehicle wraps:** Passive brand awareness. Include phone number in huge font.
7. **Repeat/maintenance agreements:** Plumbing inspection + drain cleaning annual plan. $199–$399/year. Recurring revenue + first call rights.

### Key Metrics
- **Cost per lead:** Target $25–$75 residential, $50–$150 commercial
- **Booking rate:** 75%+ of inbound calls should book
- **Average ticket:** Track weekly. Target steady increase via flat-rate and upsell training.
- **Customer acquisition cost:** Under $200 for residential, under $500 for commercial

---

## Growth Playbook

### Stage 1: Owner-Operator ($0–$300K)
- You run every call. Focus on service speed and 5-star reviews.
- Build flat-rate pricing book. Stop hourly billing.
- Get 50+ Google reviews fast.
- Systems: basic CRM, QuickBooks, Google Business Profile.

### Stage 2: Small Team ($300K–$1M)
- Hire first tech. Train on your flat-rate book + sales process.
- Dedicated CSR/dispatcher (even part-time).
- Systemize: truck stock, morning huddle, daily revenue targets.
- Start LSA and SEO. Track every lead source.
- Gross margin > 55% or you're pricing wrong.

### Stage 3: Growth ($1M–$3M)
- 3–6 techs. Dedicated dispatcher. Office manager.
- Maintenance agreement program (500+ members = stability).
- Add services: water treatment, gas lines, excavation.
- Commercial contracts for recurring revenue.
- KPI dashboard: revenue per tech, avg ticket, callback rate, CSR booking rate.

### Stage 4: Scale ($3M–$10M+)
- Department leads (service manager, install manager, commercial manager).
- Apprenticeship pipeline — grow your own talent.
- M&A: acquire retiring plumbers' customer bases.
- Multi-location or expand service radius.
- Private equity interest starts at $3M+ EBITDA.

---

## Financial Benchmarks (Healthy Plumbing Company)

| Metric | Target |
|---|---|
| Revenue per tech per year | $250K–$450K |
| Gross margin (service) | 55–65% |
| Gross margin (new construction) | 35–45% |
| Net profit | 12–20% |
| Labor cost (% of revenue) | 25–35% |
| Materials cost (% of revenue) | 10–20% |
| Marketing spend (% of revenue) | 5–10% |
| Overhead (% of revenue) | 20–30% |
| Callbacks / warranty (% of jobs) | Under 3% |
| Tech utilization | 75–85% |
| Maintenance agreement penetration | 25%+ of residential customers |

---

## Common Mistakes

1. **Hourly billing** — You're leaving 20–40% on the table. Switch to flat-rate.
2. **No call tracking** — If you can't attribute leads to sources, you're wasting marketing budget.
3. **Underpricing emergency work** — After-hours is premium. Charge accordingly.
4. **No maintenance agreements** — Recurring revenue smooths seasonal dips and locks in customers.
5. **Ignoring permits** — Short-term gain, long-term liability nightmare.
6. **Truck stock chaos** — Every missing part = a return trip = lost revenue.
7. **Not training techs on sales** — Techs who can present options (good/better/best) double average tickets.

---

## Resources

- **PHCC** (Plumbing-Heating-Cooling Contractors Association): phcc.org — labor data, training, advocacy
- **MCAA** (Mechanical Contractors Association): mcaa.org — commercial labor units
- **ICC** (International Code Council): iccsafe.org — IPC/UPC code updates
- **Need AI automation for your plumbing company?** → [AfrexAI Context Packs](https://afrexai-cto.github.io/context-packs/) — pre-built AI agent configurations for service businesses ($47/pack). Or try the free [AI Revenue Leak Calculator](https://afrexai-cto.github.io/ai-revenue-calculator/) to find where you're losing money.

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