17 Signs That You Should Call a Plumbing Company

November 21, 2025

Plumbing problems can disrupt your daily routine, damage your home, and lead to costly repairs if ignored. Knowing when to call a professional plumbing company can save you both time and money. While some minor issues can be handled with basic DIY skills, many signs indicate that it’s time to call in the experts. Here are 17 key signs that you should contact a professional plumber.


1. Slow Draining Sinks or Bathtubs

If you notice that your sinks, bathtubs, or shower drains are taking longer than usual to empty, it could indicate a clog or buildup in your pipes. While minor slow drains can sometimes be cleared with a plunger or drain cleaner, persistent slow drainage often requires a professional plumbing company to identify and remove the blockage effectively. Ignoring slow drains can lead to more severe clogs, pipe corrosion, or leaks.


2. Low Water Pressure

Experiencing weak water flow from faucets, showers, or appliances may be more than an inconvenience. Low water pressure can be caused by mineral deposits, corrosion, pipe leaks, or a malfunctioning water pressure regulator. A plumbing professional can diagnose the root cause and recommend solutions to restore proper water flow, ensuring your plumbing system functions efficiently.


3. Unusual Noises in Pipes

Banging, clanging, or whistling noises from your pipes, known as “water hammer” or pipe vibration, may indicate loose pipes, high water pressure, or air trapped in the plumbing system. While some noises are harmless, persistent or loud sounds can lead to pipe damage and costly repairs. A plumber can safely secure pipes, install proper components, or adjust pressure to resolve the issue.


4. Leaking Faucets or Pipes

Leaks are among the most common plumbing issues. A dripping faucet or a slow leak from a pipe may seem minor, but over time, water waste and damage to cabinets, walls, or flooring can be substantial. Calling a professional plumbing company ensures proper repair or replacement of the affected plumbing components, preventing further damage and reducing your water bills.


5. Running Toilets

A toilet that constantly runs after flushing is not only annoying but also a waste of water. Common causes include worn-out flappers, faulty fill valves, or misaligned components inside the tank. Professional plumbers can quickly identify the issue and make the necessary adjustments or replacements to restore proper toilet function and conserve water.


6. Water Discoloration

Discolored water, whether brown, yellow, or cloudy, can indicate rust, sediment buildup, or contamination in your pipes. Drinking or using discolored water is unsafe, and persistent issues often point to corroded plumbing or problems with the municipal water supply. A licensed plumbing company can inspect your pipes, recommend treatment solutions, or replace damaged sections to ensure safe, clean water throughout your home.


7. Foul Odors

Unpleasant smells coming from drains or toilets may suggest a blocked sewer line, buildup of organic matter, or dry traps. Ignoring these odors can lead to more significant plumbing issues or even health hazards due to bacteria and mold. Plumbing professionals have the tools to locate the source of odd smells, clear blockages, and sanitize the affected areas effectively.


8. Frequent Clogs

If you find yourself constantly plunging sinks, toilets, or showers, it may indicate a more severe blockage or a problem with your main sewer line. Frequent clogs are not just inconvenient; they can lead to backups and water damage. A professional plumber can perform a thorough inspection using cameras and other specialized equipment to identify and remove stubborn clogs safely.


9. Sudden Spike in Water Bills

An unexpected increase in your water bill often signals hidden leaks or inefficient plumbing systems. Leaks inside walls, under floors, or in the yard can go unnoticed for months. A licensed plumbing company can conduct a leak detection assessment, locate the source of hidden water loss, and repair it before it causes structural damage or continues to drive up utility costs.


10. Sewer or Septic Problems

Backed-up toilets, slow drains, or foul smells around your home may point to a problem with your sewer line or septic system. Issues with sewer or septic systems are complex and can pose serious health risks. Professional plumbers are trained to handle sewer line repairs, septic maintenance, and emergency services, ensuring that your home remains safe and functional.


11. Water Heater Issues

Inconsistent water temperature, strange noises, or leaks around your water heater are warning signs that it may need repair or replacement. A malfunctioning water heater can affect your comfort and increase energy bills. Plumbers can assess the problem, replace faulty components, or install a new unit, ensuring a reliable hot water supply throughout your home.


12. Foundation or Wall Water Damage

Water stains, mold, or warping in walls, ceilings, or floors may indicate a hidden plumbing leak. Damage to your home’s structure is often costly and dangerous if left untreated. Professional plumbers can trace the source of leaks behind walls or under floors, perform repairs, and provide solutions to prevent future water damage.


13. Frozen or Burst Pipes

During cold weather, pipes can freeze and even burst, causing extensive water damage. Signs include reduced water flow, frost on exposed pipes, or sudden leaks when temperatures rise. A plumbing company can safely thaw frozen pipes, repair burst sections, and recommend insulation or preventative measures to protect your plumbing during winter.


14. Strange Taste in Drinking Water

If your tap water tastes metallic, bitter, or otherwise unusual, it could indicate pipe corrosion, contamination, or issues with your water supply. Drinking contaminated water poses health risks. A professional plumber can test your water, identify the source of the problem, and suggest filtration systems or pipe replacements to ensure safe drinking water.


15. Persistent Mold or Mildew

Mold and mildew growth in bathrooms, kitchens, or basements often points to hidden leaks or high moisture levels. Mold can damage surfaces and cause health issues such as allergies or respiratory problems. A professional plumbing company can locate and repair leaks, fix drainage issues, and help reduce moisture levels to prevent future mold growth.


16. Frequent Septic Tank Pumping

If you own a septic system and notice that your tank needs frequent pumping, it may indicate a malfunction or blockage. Overflows, slow drains, or foul odors are signs that the system isn’t functioning properly. A professional plumber can inspect your septic system, clear blockages, repair damaged components, and provide maintenance advice to avoid costly emergencies.


17. Sudden Pipe Corrosion

Visible rust or corrosion on pipes is a warning sign of potential leaks or weakened plumbing infrastructure. Corroded pipes can lead to contamination, water damage, and even pipe failure. Plumbers can assess the condition of your plumbing system, replace damaged sections, and recommend materials that resist corrosion for long-term durability.


Recognizing these 17 signs early can save you significant headaches, expenses, and potential damage to your home. According to Consumer Affairs, 27.94% of homeowners reported receiving a plumbing repair in 2023. If you suspect a leak and the need for expert repair, even if it may see minor, calling a licensed plumbing company ensures that problems are handled efficiently, safely, and effectively. Here at USA Drain and Plumbing Works, we serve Coachella Valley, CA and the surrounding areas with exceptional plumbing solutions. Don’t wait for a small issue to turn into a major repair; as soon as you notice any of these warning signs, get in touch with our team! We provide free estimates for your peace of mind.

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