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Plumbing Services

Top-rated Modesto Plumbing Services

Reliable Plumbing Performance with Same-Day Service Availability

Plumbing is vital to a safe, reliable water supply in your home or business. The network of pipes and fixtures enables efficient water delivery and waste disposal, but can face problems over time. When issues arise, Mainline Plumbing Inc. in Modesto is ready to help.

With nearly three decades of service, Mainline Plumbing is known for quality, trust, and reliability. Our experienced team delivers excellent craftsmanship and customer service, ensuring lasting solutions for any plumbing issue, big or small. We handle every job with care and integrity, treating your home like our own, so you can return to your routine with confidence.

Because we are a local plumbing company rooted in Modesto and the Central Valley, we understand how factors such as hard water, older piping, and shifting soil conditions can affect homes built to California building codes. We take the time to evaluate your entire system, explain our findings in straightforward terms, and recommend options that fit your budget and long-term plans for the property. Whether you are calling about a single fixture or a larger project, we want you to feel comfortable with the plan before any work starts, and we stay available to answer questions throughout the process.

Our licensed experts arrive fully equipped to handle any plumbing challenge. Contact us at (209) 560-6652 or fill out our online form and get $50 OFF for new customers!

What Makes us Different

  • Professional, Prompt, Courteous, & Clean
  • Ensuring Your Comfort at All Times
  • Local & Family-Owned
  • We Have Over 28 Years of Plumbing Experience
Same-Day Solutions Available Get lasting results from our fast, affordable and effective team.

Why You Shouldn't Postpone Plumbing Services

At Mainline Plumbing Inc., we understand that everyone has a busy life. You already have a lot on your plate, so it's easy to put off that plumbing issue, especially if it seems like nothing worse can come of it. However, our Modesto plumbers have seen it all and know the severe damage that can be done when even the smallest problems are ignored. Even something seemingly harmless can cause serious damage to your home or put you and your loved ones at risk. Fixing issues when they reach this point can be even more expensive, and nobody wants to spend money they could have avoided in the long run with more decisive action.

Common Plumbing Problems That Are Often Ignored Include:

  • Low water pressure: Low water pressure? Our team can diagnose and fix issues, ensuring your home's water flows smoothly and efficiently.
  • Constantly running toilet: A running toilet wastes water and raises bills. Let our professionals repair it quickly and restore peace of mind.
  • Dripping faucets: annoying and wasteful. Call us for a fast fix to help prevent water waste and damage.
  • Leaking pipes: Leaky pipes can cause significant damage. Our team provides prompt repairs to help prevent water damage and mold growth.
  • Leaking water heater: A leaking water heater can be a serious issue. We offer fast repairs or replacements to restore your hot water supply.
  • Clogged or slow drains: Slow or clogged drains? Our plumbers clear blockages quickly to restore proper water flow in your home.

At Mainline Plumbing Inc., we understand that addressing small problems is much faster and more affordable than waiting to get a problem fixed. That is why we encourage you to reach out to our reliable Modesto plumbing technicians whenever you experience any trouble. We always offer comprehensive evaluations, honest and upfront pricing, and we will work with you to find a solution that works for you and your life.

When you call us about a concern, we look at how it affects the overall home plumbing system rather than focusing on just one visible symptom. This approach helps us uncover hidden issues, such as slow leaks behind walls or undersized lines, that could lead to water damage or code violations later. Because homes in Modesto and surrounding communities often combine older fixtures with newer additions, we carefully review past work and suggest practical upgrades to reduce the risk of sudden failures. We take time to walk you through your options, so you can choose the level of repair or improvement that makes the most sense for your household.

Your Local Water Heater Specialists

Mainline Plumbing Inc. is your top choice for your water heater needs. Whether your heater has sprung a leak and needs to be replaced urgently or you simply are tired of dealing with inconsistent temperatures, we handle all the issues your system could face. When you depend on having a stable and plentiful supply of hot water, you can’t afford to take a chance on the services your water heater provides. Our highly trained techs are equipped to handle problems with all makes and models of water heaters, and we can respond quickly when you need an urgent solution.

From water heater replacements to simple faucet repairs, we treat your property with the respect and care it deserves. Contact us at (209) 560-6652 or fill out our online form.

Areas We Serve
At Mainline Plumbing, we proudly serve the Central Valley and surrounding areas, providing reliable plumbing services. Whether you’re in a small town or a bustling city, our experienced team is here to help with all your plumbing needs, ensuring prompt, professional service across the region.

Frequently Asked Questions

What Should I Do if My Street Is Flooding or My Sewer Backs Up?

If your street is flooding, you should immediately contact the Modesto city utility department to report the drainage issue. For a sewer backup inside your home, stop using all water and appliances to prevent further overflow and damage. You should then call a professional plumber to perform a camera inspection and safely clear the main line. Avoiding contact with any standing water is crucial, as it can contain harmful bacteria and contaminants.

How Often Should I Have My Water Heater Flushed?

You should generally have your water heater flushed once a year to maintain peak efficiency and prevent sediment buildup. Homes in areas with high mineral content in the water may require flushing every six months to protect the heating elements. Over time, these minerals settle at the bottom of the tank and can cause loud knocking sounds or reduced hot water capacity. Regular maintenance extends your unit's lifespan and helps you avoid the high costs of premature replacement.

What Are the Signs That My Home Needs Professional Leak Detection?

One of the most common signs you need leak detection is a sudden, unexplained spike in your monthly water bill. You should also watch for damp spots on your floors, localized mold growth, or a persistent musty odor in specific rooms. If you hear running water even when all faucets are off, there is likely a hidden leak behind a wall or under the slab. Professional detection uses specialized sonic equipment to find the exact source of the problem without damaging your property.

How Can I Maintain My Plumbing System?

The best way to maintain your plumbing is to be mindful of what goes down your drains and avoid flushing non-biodegradable items. You should regularly check under sinks and around toilets for small drips or signs of moisture that could lead to larger leaks. Periodically cleaning your faucet aerators and showerheads helps maintain steady water pressure and removes mineral deposits. Scheduling a professional annual inspection ensures that minor issues are identified and repaired before they turn into expensive emergencies.

Can I DIY Plumbing Repairs?

While you can handle minor tasks like changing a showerhead or plunging a simple sink clog, most plumbing repairs are best left to professionals. Attempting to fix complex issues such as water heater malfunctions or sewer line breaks can result in accidental property damage or code violations. Professional plumbers have the specialized tools and training required to ensure that repairs are durable and comply with local safety standards. Taking a DIY approach to major systems often ends up costing more in the long run if a mistake causes a flood or a pipe burst.

Plumbers Trusted by Your Friends & Neighbors

Mainline Plumbing Inc. is widely known for our prompt, professional, and efficient service. That is why so many customers keep coming back, even after their warranties with us are up. They know that our Modesto plumbing contractors truly care about their safety and comfort. We want to resolve your problems quickly so you can get back on track as soon as possible.

Enhance your home’s efficiency and lower your monthly utility bills with our eco-friendly fixture installations. Contact us at (209) 560-6652 or fill out our online form.

    “Thank you guys for your service!”
    “My water heater stopped working and when I called Mainline plumbing, Miguel answered and immediately came to fix it. He is so transparent with his work and also gives us more knowledge of the issues we had.”
    - Alondra A.
    “Have used them before and will use them again.”
    “I was able to source out my own water heater which was bigger than what they have on hand and they arrived promptly the same day to install the unit with no issues.”
    - Eric G.
    “I will definitely be calling them and requesting Joey for future jobs!!”
    “Joey is amazing, professional, and courteous! Wore his mask, and my dog absolutely loved him so that helped reinforce my choice in Mainline, they also did my water heater a couple of years ago.”
    - Jim T.
    “Can't say enough good things about mainline, start to finish A+.”
    “Best service! Needed the dishwasher installed bc the big box store wouldn't install it for 2 weeks. Called Tom had Joey come that day. Joey is very professional and did a neat, clean job.”
    - Liz R.
    “The best plumbing company!”
    “I highly recommend Mainline Plumbing. Their honesty and integrity speaks for itself and their workmanship is on point I've had them to my home for a few repairs they do not disappoint.”
    - Pam N.
    “I highly recommend them.”
    “I woke up one morning to find my kitchen flooded. I called Mainline Plumbing and they came out right away. Joey did an excellent job finding and fixing the leak. He was very courteous and explained everything.”
    - Teresa B.
    “I would contact Mainline Plumbing Inc for any plumbing-related work.”
    “I can see why Mainline Plumbing Inc has been consistently receiving 5-star ratings. Joey was knowledgeable and knew what needed to be done. He was courteous and answered the questions in a professional manner.”
    - George B.
    “Very fast, professional, helpful!”
    “They were great around my kids and pets and left everything clean and good as new”
    - Tiffany

Contact Us Today

No matter what plumbing issues you may be facing, reach out to us today to get started!

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Save Today!

  • $50 OFF New Customer Special

    Take $50 Off your first service with us!

    *Valid for residential customers only. Some restrictions may apply. Cannot be combined with any other offers or discounts.
    Valid Jan 1, 2026 - Apr 30, 2026
  • $200 OFF Tankless Water Heater Purchase & Installation *Must mention coupon at time of purchase.
    Valid Jan 1, 2026 - Mar 31, 2026
  • $100 OFF Water Heater Purchase & Installation *Must mention coupon at time of purchase.
    Valid Jan 1, 2026 - Mar 31, 2026
  • Call Us Today! 209-560-6652
    • Mon - Fri: 8:00am - 6:00pm
    • Sat: 8:00am - 5:00pm
      Sun: Closed
  • 18332 Campbell Ave.
    Escalon, CA 95320
    Map & Directions