Homeowner inspecting under a bathroom sink while taking notes on a tablet; gutters and downspouts visible outside a window.

A First-Year Calendar for Plumbing, Leaks, and Seasonal Water Checks

Moving into a new or freshly remodeled home is a busy time. Fixtures are new, landscapes are immature, and weather swings in North Carolina can expose drainage and plumbing weaknesses fast. A modest, repeatable first‑year plan—focused on leaks, drains, seals and service records—lets you catch issues while they’re simple to fix and before they damage finishes or systems.

Why year‑one checks matter

Reported fact: The EPA WaterSense home maintenance guidance lists household checks that help identify leaks and reduce avoidable water loss. These include visual and simple functional tests for fixtures, irrigation, appliances and the water‑heating system. (Source: EPA WaterSense.)

Editorial guidance: For a new custom house, those checks do double duty. They protect cabinetry, flooring and millwork from slow leaks; they preserve the initial commissioning work your builder completed; and they give you concrete evidence (photos, dates, service notes) should a warranty issue arise. Keep in mind that this checklist is not a replacement for manufacturer instructions, warranty notice requirements, or a qualified inspection when something looks wrong.

A calm, practical first‑year calendar

Organize checks into monthly quick walks, seasonal deeper inspections, and event‑triggered tasks after heavy rains or ground movement. The list below is built from broadly accepted homeowner practices and seasonal maintenance guidance; use it to create reminders on your phone or calendar.

Monthly (5–15 minutes)

  • Quick visual of bathrooms, kitchen and laundry for drips under sinks or wet patches on cabinet bottoms.
  • Listen for continuous running water at toilets; lift tank lids and note unusual refills. (EPA WaterSense highlights toilet leaks as a common source of household water loss.)
  • Check hose bibs and exterior spigots for weeps; remove hoses when not in use during freezing months.
  • Verify HVAC condensate lines drain freely and the pan is dry — backed up condensate can create staining and rot quickly.

Seasonally (spring, summer, fall, winter)

  • Spring: Run and observe all irrigation zones for uniform coverage and visible leaks or broken heads. Reported fact: guidance sources recommend regular irrigation checks as part of home water maintenance. (EPA WaterSense.) Editorial tip: In early growth months, check that sprinkler heads are not spraying foundations, walkways or driveways—redirecting water away from the house reduces foundation moisture risk.
  • Summer: Inspect attic penetrations and ceiling finishes for staining after heavy storms. Summer storms can reveal roof or flashing problems that first manifest as interior dampness.
  • Fall: Clean gutters and downspouts; confirm downspouts discharge away from the foundation. Reported fact: seasonal checklists emphasize drainage and exterior preparation for changing weather. (This Old House.)
  • Winter: In colder parts of the state, winterize exterior plumbing where applicable—drain and shut off systems that could freeze. If you have automatic irrigation, follow manufacturer or landscape contractor shutoff procedures.

After big rain events, grading changes or construction work

  • Walk the perimeter to confirm grading still directs water away, not toward the foundation or mechanical pads.
  • Inspect sump pump operation if present—pour a bucket of water into the pit to verify start and discharge function.
  • Check finished crawlspaces or exposed foundation walls for new moisture or efflorescence.

Room‑ and system‑specific checks

Divide the house into logical zones so nothing is forgotten. Below are the highest‑leverage targets during year one.

  • Bathrooms: Watch for slow drips, soft cabinetry bottoms, and grout or caulk that separates. A small leak behind a vanity can go unnoticed for months.
  • Kitchen and laundry: Inspect under appliances and sinks after the first few loads; check water‑supply hose fittings and consider stainless braided hoses for appliances where the manufacturer recommends them.
  • Water heater: Look for puddles, corrosion at fittings, and note the drip‑leg and pressure‑relief discharge location. If you see ongoing weeping, document it and contact your builder or the installer.
  • Outdoor plumbing and irrigation: Run the system, observe coverage, and inspect backflow assemblies if accessible—leaks or running water at the controller may indicate a stuck solenoid or a broken valve.
  • Gutters and downspouts: Confirm they’re secure and free; slow downspout clogs can cause roof edge overspill and saturate siding or trim.

Recordkeeping and service log

Editorial guidance: Create a simple digital log from day one—photos, dates, who did the work, and receipts. A timestamped photo showing dry cabinet bottoms or a clear gutter after cleaning is powerful evidence if a defect later appears. Keep manufacturer manuals and warranty paperwork in a folder or searchable cloud drive. This does not replace required warranty notifications—follow the builder’s and manufacturer’s stated timelines and procedures.

Tradeoffs, sourcing and when to call a pro

Some checks you can confidently do yourself: visual inspections, running irrigation zones, clearing visible gutter debris, and testing sump pumps. More technical tasks—leak tracing inside walls, replacing a water heater, or repairing primary sewer lines—should be handled by licensed plumbers. Decide early whether you want a single service partner (plumber/HVAC/landscape) who will maintain records and provide consistent seasonal service, or a per‑issue contractor network. Either approach trades off convenience and continuity for competitive pricing on individual jobs.

Questions to ask your builder or contractor

  • Which manufacturer maintenance steps must be followed to keep warranties valid (filters, seals, treatments)?
  • What were the acceptance tests and results for plumbing, irrigation and drainage at final walkthrough—are there punch list items still open?
  • Who installed the irrigation controller, backflow device, or sump system, and do they offer a first‑year inspection?
  • Are there known site drainage quirks—seasonal ponding, surface flow paths, or shared easement drains—that require special attention?

Conclusion: A modest program that prevents big headaches

In practice, the first year after closing is about observation, documentation and prompt, proportional response. Reported fact: authoritative guidance recommends routine household checks for leaks, irrigation, and drainage that can prevent avoidable water loss and damage (EPA WaterSense; This Old House seasonal guidance). Editorially, build a small, repeatable calendar—monthly quick checks, seasonal deeper inspections, and post‑storm reviews—paired with a simple digital record. When the calendar flags a suspect condition you can’t confidently fix, call a licensed pro. That combination protects finishes and systems, preserves warranty remedies, and gives you the calm of knowing you addressed small issues before they became costly repairs.

Required caution: This article is a maintenance guide and checklist; it does not replace manufacturer installation or maintenance instructions, warranty notice requirements, or a qualified inspection when something looks wrong.

Frequently Asked Questions

How often should I test toilets and faucets for leaks during the first year?

Do a quick visual and audible check monthly—listen for running water and look for drips or puddling. If you suspect an invisible toilet leak, document it and arrange a plumber if a simple flapper adjustment doesn’t stop it.

Can I handle irrigation repairs myself?

You can run and visually inspect sprinkler zones and clear small debris. For broken lateral lines, leaking valves, or backflow device issues, engage a licensed irrigation or plumbing contractor—improper repairs can waste water or damage landscaping.

What records should I keep during year one?

Photographs with dates, service receipts, manufacturer manuals, and notes from the builder’s final walkthrough. Keep these in a searchable cloud folder so you can share them quickly if a warranty discussion or service call is needed.

When should I worry and call a professional?

Call a licensed pro if you find ongoing leaks, evidence of rot or mold, wetness behind finished surfaces, sump pump failure, or anything that could threaten structural elements or health. Small drips that you cannot isolate or stop are a reason to act promptly.

Sources & Further Reading

  1. Home Maintenance
  2. Fall Yard and Home Maintenance Checklist

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