How to Start a Plumbing Maintenance Plan

Plumbing maintenance plans are less common than HVAC plans, but they produce the same result: a recurring revenue base that does not disappear when the phone stops ringing.

HVAC plans have a built-in annual rhythm. Two tune-ups per year, one in spring and one in fall, give the HVAC contractor a reason to show up that customers already understand. Plumbing does not have that. There is no seasonal trigger. Pipes do not need a tune-up in October.

That is the challenge, and it is also the opportunity. Because the competition is thin. Most plumbers in a given market have no maintenance plan at all. The ones that do often have a poorly defined scope that does not justify the annual fee. A well-structured plumbing plan with a clear visit scope and honest pricing will stand out in most $1M to $5M plumbing markets. The HVAC counterpart is in how to start an HVAC service agreement program.

Why Plumbing Plans Are Less Common but Still Valuable

The reason plumbing plans have not caught on the way HVAC plans have is simple: there is no obvious visit trigger. HVAC has it baked in. Plumbing does not.

But the absence of a natural trigger is a design problem, not a fundamental obstacle. The solution is to define the trigger yourself, in the form of an annual plumbing inspection with a specific checklist. The inspection becomes the product. The customer pays for a known, thorough annual review of the systems most likely to fail expensively.

The value to the customer is real. Water heaters that go uninspected for 5 to 8 years silently accumulate sediment and corrode anode rods. Shutoff valves that sit unused for years seize up and fail during a crisis. Supply lines under sinks and at toilets have a predictable lifespan that most homeowners have never thought about. A plumber who shows up annually and catches these things before they become emergencies is providing a service worth paying for.

The value to the plumbing company is equally real. Plan customers do not shop on price when something breaks at 9pm on a Saturday. They call the company that already knows their house.

Text Clint: "how many active maintenance plan customers do we have and what is their average plan renewal rate?"

What to Include in a Plumbing Plan

The scope of the annual inspection needs to be specific enough to justify the fee and thorough enough to actually catch problems. A vague "annual plumbing check" will not sell. A checklist that a customer can read and understand will.

A well-structured annual plumbing inspection covers these items:

Shutoff valves. Exercise every shutoff valve in the house, including the main shutoff, supply valves at each toilet, under each sink, and at the water heater. A valve that has not been operated in 5 years is likely to fail when you need it most. Document which valves turn freely and which are stiff or leaking at the packing nut.

Visible supply lines. Inspect the braided or corrugated supply lines running from shutoff valves to fixtures. Look for bulging, corrosion at the fittings, or mineral deposits that indicate a slow weep. Supply line failures are one of the top causes of interior water damage claims. Most lines have a 5 to 10 year service life.

Water heater. Check the anode rod (replace if more than 50% depleted), flush sediment from the tank, inspect the pressure relief valve, check the flue draft on gas units, and verify the temperature setting. A water heater maintained on this schedule will outlast an unmaintained unit by 3 to 5 years.

Water pressure. Test static pressure at an outdoor hose bib. Normal range is 40 to 80 PSI. Above 80 PSI accelerates wear on fixtures, supply lines, and appliances. If pressure is high, recommend a pressure reducing valve.

Drain and waste lines. Run water through every fixture and check for slow drains. Slow drains indicate partial blockage that will become a full blockage. Note any gurgling at fixtures, which can indicate a venting issue.

Fixture connections. Inspect under every sink for moisture, corrosion, or active weeping at the P-trap or supply connections. Check toilet bases for evidence of wax ring failure.

The visit should take two hours for a typical 3-bedroom single-family home. Document everything in writing and leave a copy with the customer.

Text Clint: "pull the last 30 completed plumbing maintenance plan visits and show me which inspection items came up most frequently as needing repair"

How to Price It

The pricing math starts with labor cost, not with what feels comfortable to say out loud. The fuller pricing framework lives in how to price plumbing jobs.

A 2-hour visit at full burdened labor cost (wages, payroll taxes, benefits, vehicle, insurance) runs $80 to $120 for most residential plumbing shops. Add overhead allocation and a margin contribution and the floor is around $130 to $150 for the visit alone.

The plan price needs to sit above that floor while remaining easy to justify to a homeowner. The market range for a residential plumbing maintenance plan is $149 to $249 per year. The midpoint of $199 works well for most markets and most home sizes.

Two member benefits close the sale at that price point. First: plan members get 10 to 15 percent off all service calls. A $350 drain clearing job costs a plan member $298 to $315. The customer perceives immediate payback on their $199 plan fee. Second: plan members get priority scheduling. When you have two calls waiting and one is a plan member, the plan member goes first. This is the benefit customers cite most often when asked why they renewed.

Consider a two-tier structure if your market supports it: a basic plan at $149 covering the inspection only, and a full plan at $249 covering the inspection plus one included minor repair (a running toilet, a dripping faucet, a cartridge replacement) up to a defined labor allowance such as 30 minutes. The full plan has a higher perceived value and a lower upsell barrier.

Text Clint: "what is our current average revenue per maintenance plan customer including all service calls in the last 12 months?"

How to Sell It at the Job

The best time to sell a plumbing maintenance plan is at the end of a service call, not before it. The customer has just experienced what you can do. They have a reason to trust you. They are in the right frame of mind to think about their home's plumbing as a system rather than a single broken thing.

Three service call types convert especially well.

Water heater replacement. The customer just spent $1,200 to $2,500. They are acutely aware that appliances fail. After the installation, walk them through what the annual maintenance visit covers for the new unit and offer the plan at a reduced first-year price, such as $149 instead of $199. Frame it as protecting the investment they just made.

Major repair. After a burst supply line, a slab leak, or a serious drain issue, the customer is primed to think about prevention. The sale is simple: "This is exactly the kind of thing our annual inspection is designed to catch early. A lot of our plan customers signed up after a situation like this one. Want me to get you set up?"

Older home service call. Any home built before 1990 has plumbing that is 35 or more years old. After completing any service call in a home that age, mention the plan in the context of the home's age: "With a house this age, there are a few things we like to check annually. We have a plan that covers all of it for about $17 a month."

The pitch should be one sentence, delivered casually, not as a formal presentation. Train every tech to say it. The tech who completed the job has more credibility than any marketing material.

Text Clint: "show me all service calls completed in the last 60 days at homes built before 1990 where no maintenance plan was offered"

The 3-Year Plan Economics

The economics of a plumbing maintenance plan compound over time in ways that are not obvious in year one.

Year 1 baseline. A plumber running 800 service calls per year who converts 8 percent of those calls to plan sign-ups adds 64 new plan customers in the first year. At $199 per plan, that is $12,736 in new recurring revenue. Conversion rate of 8 percent is conservative. Shops that train their techs and make the offer on every qualifying call typically see 12 to 15 percent.

Year 2 additions. Add another 64 plan customers from year 2 service calls. Renewal rate for well-run plumbing plans is typically 70 to 80 percent, so approximately 45 to 51 of the original 64 renew. By end of year 2, active plan count is 109 to 115 customers generating $21,691 to $22,885 per year.

Year 3 steady state. By year 3, assuming continued conversion of 64 new customers per year and 75 percent renewal: roughly 175 to 200 active plan customers. At $199 per plan, that is $34,825 to $39,800 in annual recurring revenue from plans alone.

The compounding factor that makes these numbers conservative is repair frequency. Plan customers call for service 40 percent more frequently than non-plan customers. They are more likely to act on your recommendation to replace an aging water heater or upgrade a fixture. They do not shop on price when they need you. The plan creates a relationship that is worth substantially more than the annual fee. For the broader trade KPI view, see plumbing business KPIs that predict revenue and what KPIs should a plumbing business track.

A plumbing shop that reaches 200 active plan customers has created a revenue floor. Even in a slow month, 200 customers paying $199 per year means $3,317 arriving monthly like clockwork. That changes how the business plans, hires, and invests.

Text Clint: "how many active plan customers do we have and what is their renewal rate by year of plan start?"

How Clint Tracks Your Plan Business

Running a maintenance plan adds a layer of operational tracking that most plumbing CRMs handle poorly. Which customers are due for their annual visit? Which plans are 30 days from renewal? Which plan customers called for repairs and what did they spend?

Clint pulls this data across your CRM, invoicing, and communication history so you can ask plain-language questions without building reports.

Text Clint: "which plan customers are overdue for their annual visit by more than 30 days?" and get a list immediately. Text "what is the average total spend per plan customer versus non-plan customer in the last 12 months?" and get the comparison in seconds.

The goal is to know whether the plan is working before you are 18 months into it and guessing.

Sources

• HomeAdvisor's 2024 State of Home Spending Report on home service subscription and plan adoption rates
• ServiceTitan's Home Services Benchmark Report on recurring revenue as a percentage of total revenue in plumbing companies
• Plumbing & Mechanical magazine field research on residential plumbing maintenance visit scope and pricing
• Angi's True Cost of Water Damage on the cost drivers that maintenance plans are designed to prevent