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Annual Plumbing Maintenance Checklist for Homeowners

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Most homeowners don’t think about their plumbing until something goes wrong, but by then, the damage is already done. From hidden leaks to slow drains, plumbing issues often develop quietly behind walls and under floors. Regular maintenance is the key to preventing expensive repairs and keeping your home’s plumbing system running efficiently. With a little annual attention, you can catch small problems early and avoid major headaches. Simple steps like inspecting pipes and flushing your water heater can make a big difference in both performance and lifespan. 

In this blog, we’ll walk you through an easy-to-follow annual plumbing maintenance checklist designed to protect your home and your wallet.

Why Annual Plumbing Maintenance Is Essential for Homeowners

Plumbing problems don’t always start with obvious signs. A small leak hidden behind a wall or under a sink can quietly waste water, damage your home, and lead to costly repairs if left unchecked. Regular maintenance is the easiest and most effective way to catch these hidden issues before they escalate.

For most homeowners, plumbing systems are “out of sight, out of mind.” However, pipes, drains, and fixtures need consistent care to function efficiently. Preventative maintenance helps avoid common problems like clogged drains, leaky faucets, corroded pipes, and even water heater failures.

Without yearly checks, minor issues can grow into serious damage. Leaks may lead to mold growth, rotting wood, or high water bills. Unmaintained water heaters can become inefficient or stop working altogether. Sewer line problems, if unnoticed, can cause backups into your home, an expensive and unpleasant situation no homeowner wants to face.

Annual plumbing maintenance protects your investment, prevents emergencies, and extends the life of your system. Following a simple yearly checklist can save thousands of dollars and provide peace of mind.

Annual Plumbing Maintenance Checklist for Homeowners

Performing a yearly plumbing inspection doesn’t have to be overwhelming. This checklist covers essential tasks every homeowner can tackle to keep their plumbing system in great shape.

Inspect for Hidden Leaks

Even small leaks can cause major problems over time.

  • Look under sinks, around toilet bases, and inside bathroom and kitchen cabinets.
  • Watch for signs like dampness, mold, bubbling paint, or unexplained water stains.

Test Your Home’s Water Pressure

Proper pressure keeps your plumbing system working smoothly.

  • Use a simple water pressure gauge to test an outdoor spigot.
  • Aim for a range between 40 and 60 PSI. Pressure that’s too high or low may indicate larger issues like leaks or valve problems.

Flush and Inspect the Water Heater

A little water heater maintenance goes a long way.

  • Drain a few gallons from the tank to remove sediment buildup that affects efficiency.
  • Check for signs of rust, corrosion, or leaks around the base.

Check All Drains for Slow Flow

Slow drainage may indicate clogs forming in your pipes.

  • Run water in every sink, tub, and shower to test flow.
  • Use a natural drain cleaner or a drain snake for minor blockages. Avoid chemical cleaners that can corrode pipes.

Inspect Exposed Pipes for Wear and Damage

Visible pipes are the easiest to inspect.

  • Look for rust, discoloration, corrosion, or small leaks.
  • In colder climates, add insulation to pipes that may be vulnerable to freezing.

Clean Faucet Aerators and Showerheads

Sediment and mineral deposits can reduce water flow. Unscrew aerators and showerheads, soak them in vinegar, and scrub away buildup.

Inspect and Test Your Sump Pump (If Applicable)

If your home has a basement or crawl space, your sump pump is a vital safeguard.

  • Pour a bucket of water into the sump pit to test activation.
  • Clear away any debris to ensure proper drainage.

Check Toilet Functionality and Look for Leaks

Toilets can be a hidden source of water waste.

  • Flush to check for proper flow and refill.
  • Use food coloring in the tank. If it seeps into the bowl without flushing, you’ve got a silent leak.

Test Main and Local Shut-Off Valves

Quick access to water shut-off valves is critical in an emergency.

  • Turn each valve off and on to ensure they’re not stuck or leaking.
  • Make sure all family members know where the main shut-off valve is located.

When to Schedule Professional Plumbing Maintenance

While many plumbing maintenance tasks are simple enough for homeowners, some jobs are best left to the experts. Scheduling an annual professional inspection ensures your entire system is working safely and efficiently.

The Benefits of Hiring a Professional Plumber

  • Comprehensive Inspections: Professional plumbers check areas homeowners can’t easily access, like buried pipes and sewer lines.
  • Specialized Tools: Plumbers use camera inspections, pressure tests, and advanced leak detection to find hidden problems.
  • Preventive Repairs: Early fixes can prevent small issues from turning into costly emergencies.
  • Water Heater Servicing: Flushing and inspecting your water heater thoroughly is easier and safer when handled by a professional.
  • Expert Recommendations: Professionals can offer tailored advice on improving efficiency and preventing problems unique to your home.

Tasks Best Left to Professionals

While DIY maintenance is important, be sure to schedule a licensed plumber for:

  • Full water heater servicing and safety checks
  • Sewer line inspections and clearing
  • Backflow prevention testing
  • Complete plumbing system evaluations

An annual appointment with a professional plumber complements your at-home checklist and provides peace of mind that your plumbing system is in top condition.

Preventive Plumbing Tips to Keep Your System Running Smoothly

Regular maintenance goes hand in hand with smart plumbing habits. These simple preventive tips help homeowners avoid unnecessary repairs and extend the life of their plumbing system.

  • Avoid Pouring Grease or Oil Down Drains: Grease solidifies and causes stubborn clogs. Instead, dispose of oils in a sealed container.
  • Use Drain Covers: Catch hair, food particles, and other debris before they enter your pipes and cause blockages.
  • Watch for Drops in Water Pressure: A sudden loss of pressure can signal leaks or hidden pipe damage. Investigate promptly if this occurs.
  • Insulate Exposed Pipes: Especially in colder months, insulating pipes prevents freezing and bursting.
  • Flush Drains with Hot Water: Running hot water down your drains weekly can help prevent buildup inside your pipes.
  • Don’t Overload Your Garbage Disposal: Avoid fibrous foods like celery or potato peels, and always run cold water when using your garbage disposal.
  • Consider a Plumbing Maintenance Plan: Many plumbing companies offer memberships that include yearly inspections, priority service, and discounts on repairs.

Simple habits like these help prevent buildup, corrosion, and other common plumbing problems, keeping your system running reliably year-round.

Conclusion: Keep Your Plumbing in Top Shape With Annual Maintenance

Taking care of your plumbing system doesn’t have to be complicated. By following this annual plumbing maintenance checklist and adopting a few preventive habits, you can protect your home from leaks, water damage, and costly repairs. Regular inspections, both DIY and professional, help you catch issues early and ensure your plumbing continues working efficiently year after year.

While homeowners can handle many basic tasks, scheduling professional maintenance provides an added layer of protection. From water heater servicing to sewer line checks, a licensed plumber can spot and solve hidden problems you might miss.

Want peace of mind about your home’s plumbing? Contact Prime Plumbing today for expert annual plumbing inspections and preventive care that keeps your system running smoothly.

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Locally owned & OPERATED; Founded IN 2012

We take the worry out of things with upfront pricing

OPTIONS TO HELP YOU finance any service needed

Licensed Technicians who treat your home with care

Our maintenance plans make you the priority

Discount pricing for active and retired militaRy personnel

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    More Reviews
    Prime plumbing in Baltimore, prompt, efficient and reasonable price.
    Len and Betsy Homer
    21 hours ago
    It's taken me a while to write a review with two young kids- but i wanted to make sure i shared what a wonderful experience we had using Prime Plumbing. We had a sewer line back up in our basement (yuck) and i had multiple plumbers come out and give quotes on digging up and replacing our old copper sewer line with pvc. Tim impressed me from day 1 and stood out amongst the others with his confidence and expertise in what our options were, what to expect from the whole process, etc. They dug up our lawn (8 ft deep, approx 40 ft long) and i am so happy with how they managed to put it all back together. I can't take a current picture of it now because our yard is covered with snow, but 2 months later you'd hardly be able to tell we had a trench dug up. We were quoted around the same price by another company who said they would need to tear out our retaining brick wall and also said they'd leave piles of dirt, and that the grass seed/hay would cost extra!! Also, Prime managed to get this all done in 1 day. Not to mention, we got to keep our beautiful maple tree! This is the only tree in our yard and our kids love swinging on it so while i was ready to give it up if need be, i was going to be a little devastated. Only a few days after my initial consultation with Tim, we had a brand new sewer line! We are so happy we found a good, reliable & trustworthy company to make us feel better about forking over a pretty penny on a hidden (but very crucial) repair. Thank you Prime Plumbing!
    Laura Laue
    2 days ago
    Great work! Very nice service; fixed our water heater issue and had us back up and running in no time. The service provided by Ernie and Hayleigh was very professional and courteous.
    fred pletz
    4 days ago
    [UPDATE: RESOLVED] I'm updating this review to reflect that Prime Plumbing has owned up to the situation and made it right. Once my new toilet arrived, they returned and completed the installation at no additional cost to me. The 5-stars are for Ernie and Hailey who handled the final install, and they were a complete 180 from my previous experience. They were awesome, professional, and sociable. You could tell they actually enjoy their work and take pride in it. They got the job done right. While the road to get here was frustrating, I appreciate the company standing by their work and sending the right team to finish the job. [OLD REVIEW] I hired Prime Plumbing to fix a toilet leak, and after 4 visits and hundreds of dollars, I had to do their work for them. Here is the timeline of negligence: March 27, 2025 (Invoice #90891): I paid an $89 trip fee to have a technician come out. He did a visual glance without even lifting the toilet and told me "nothing was wrong." The leak continued. Nov 1, 2025 (Invoice #97073): I paid $634.56 for a "Toilet Pull and Reset" (Service Code TUR-110). The invoice states they would "prepare the mounting system." They claimed the issue was a decayed wax seal (after initially guessing "condensation"). They did not inspect the toilet for cracks, but they didn't miss the opportunity to try and upsell me a new water heater. The leak continued. Nov 24, 2025 (Return Call): When they came back, the technician tried to blame "condensation" again and claimed "these electric toilets aren't reliable", again making excuses. He replaced the wax seal again without inspecting the toilet. Nov 30, 2025: The leak returned. Before booking them again, I spent 1.5 hours doing what they should've done. I replicated the leak and reached behind the toilet to feel the failure point. I felt the wax ring and—crucially—I felt plastic obstructing the seal. Dec 1, 2025 (Invoice #97936 Return Call): The tech arrived, and I told him what I found. He told me, "That's impossible... Show me how you did it. Show me this magic." I had to literally get on the floor and prove it to him. I ABSOLUTELY should not have had to do his job for him. He then complained about how he "can't keep coming out here" and is "losing money." Completely unprofessional. He finally pulls the toilet up, actually inspects it, and finds a crack. He sounded gleeful showing it to me, acting like this vindicated his misdiagnosis. He then told me I need to pay a third time to have a new toilet installed. THE REALITY: Did he inspect it the first time? If he did and saw no crack, then he caused the crack by mishandling the toilet. Did he not inspect it? Then the crack was there the whole time, and due to his incompetence, he misdiagnosed the issue for months while taking my money. I paid premium pricing for a professional diagnosis and fix. Instead, I got laziness in March, incompetence in November, disrespect in December, and an issue that wasn't fixed. Now they want more money to fix the issue they likely caused. Avoid this company unless you want to do the plumbing yourself after paying the bill. When my new toilet arrives, I will be reaching out to them to complete the install of the toilet at no additional cost to myself (I am not asking for a refund on the cost of a toilet, just want them to install it properly.) Otherwise, this is definitely going to be a complaint to the MHIC.
    Justin Jones
    4 days ago
    Ernie and Hailey are absolute legends! I cannot say enough good things about Ernie and Hailey! I hired them to install a new toilet, and they turned what is usually a mundane maintenance appointment into a genuinely great experience. From the moment they arrived, the service was top-tier. They were incredibly professional and got the installation done flawlessly, but what really stood out was their attitude. They were sociable, friendly, and you could tell they actually have fun on the job. They have a great dynamic and brought such positive energy into my home while working. It is rare to find a team that combines expert workmanship with such a great "vibe." If you need plumbing work done and want it done right by good people, ask for Ernie and Hailey. 10/10 would recommend!
    Oanh Jones
    4 days ago

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