Annual Plumbing Maintenance Checklist
A yearly plumbing check catches small problems before they become floods. At minimum, once a year you should flush the water heater and check its temperature, dye-test your toilets and inspect faucets, clean scale off aerators, test your main and fixture shutoffs, inspect supply lines and washing-machine hoses, test your water quality, and — in Cape Coral — get your backflow assembly certified. Here's the full checklist by system, with what's DIY and what's worth a pro.
Plumbing rarely fails out of nowhere. Most emergencies — the burst line, the flooded floor, the dead water heater — start as small, quiet problems that a once-a-year look would have caught. This checklist covers what to inspect annually, what you can do yourself, and what's worth a professional set of eyes, organized by system. In Southwest Florida, a few items matter more than average, and we'll flag those as we go.
Water heater
Your water heater works harder in hard water than almost anywhere else. Once a year: drain a few gallons to flush out sediment, check the temperature is set around 120°F, inspect the area for moisture or rust, and — if it's been a few years — have the anode rod checked. Popping sounds or a drop in hot-water supply are early warnings worth acting on. (More detail in our guide to the 9 signs a water heater is struggling.)
Faucets, fixtures & toilets
- Check every faucet and under-sink connection for drips and slow leaks.
- Clean or replace aerators clogged with hard-water scale to restore flow.
- Run a dye test on toilets (food coloring in the tank, wait 15 minutes) to catch silent flapper leaks.
- Look for rocking toilets or soft flooring at the base — a sign of a wax-ring or seal failure.
Drains & sewers
Slow drains are the early stage of a clog. Once a year, note which drains run slow and address them before they back up. For homes with a history of recurring clogs or mature trees near the sewer line, a camera inspection every year or two catches root intrusion early — far cheaper than an emergency backup. If buildup is chronic, hydrojetting clears the pipe wall in a way snaking can't.
Shutoffs & supply lines
- Locate and test your main water shutoff — you want to know it works before an emergency.
- Exercise fixture shutoff valves so they don't seize.
- Inspect visible supply lines for corrosion, especially older galvanized pipe and braided washing-machine hoses (a top cause of home floods).
- Check water pressure — chronically high pressure stresses every fixture and line.
Water quality
An annual water test is the maintenance step most homeowners skip and shouldn't. Hard water quietly scales everything it touches, and well water adds iron and sulfur. If you have treatment, top up softener salt and confirm it's regenerating; if you don't, a test tells you what it's costing your plumbing.
Outdoor & backflow
Check hose bibs and irrigation for leaks, and don't forget your backflow assembly — Cape Coral requires annual certified testing on irrigation and many other systems, and a lapsed test can mean penalties. Before storm season, know how to shut off your water quickly.
| Task | How often | DIY or pro |
|---|---|---|
| Flush water heater / check temp | Yearly | Either |
| Check anode rod | Every 2–3 yrs | Pro |
| Dye-test toilets, check faucets | Yearly | DIY |
| Clean aerators | Yearly | DIY |
| Test main & fixture shutoffs | Yearly | DIY |
| Inspect supply lines / hoses | Yearly | Either |
| Water quality test | Yearly | Pro |
| Camera inspect sewer (if at-risk) | Every 1–2 yrs | Pro |
| Backflow certification | Yearly (required) | Pro |
The Cape Coral factor: Hard water and salt air accelerate wear on water heaters, fixtures, and exposed fittings faster than in most of the country — so the water-heater, water-quality, and supply-line items above deserve extra attention here. Treating your water is the one upgrade that reduces almost every other item on this list.
When to bring in a plumber
The DIY items above catch a lot. But an annual professional inspection adds what a homeowner can't easily do: pressure testing, anode and sediment assessment, camera inspection, a water test, and backflow certification. If you'd rather hand the whole list to one licensed, dual-credentialed team, Superior Plumbing covers all of it across Cape Coral and Lee County.
Want the Whole List Handled?
One licensed, dual-credentialed team can run your entire annual inspection — water heater, pressure, water test, camera, and backflow certification — in a single visit.
James Verrelli
James owns Superior Plumbing Solutions in Cape Coral, FL. He holds both a Certified Plumbing Contractor license and the WQA's Master Water Specialist designation, and brings that combination of plumbing and water-chemistry expertise to every home he serves across Cape Coral, Fort Myers, and Lee County.