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"Southern California's Most Trusted

Plumbing Contractor

That Takes Your Toughest Projects And Then Builds Them Every Time..."

(Without Having To Worry About Sloppy Work or Bad Communication)

Changing The Lives Of General Contractors

Join the General Contractors who are actively hiring Masterline to easily bid, estimate, and build their most important and challenging plumbing projects!


Projects Completed Per Year


Happy General Contractors


Years In Business

What's A Plumbing Contractor...?

What Exactly Is The Difference Between Typical Firms And Masterline?

Masterline Is An In-House  Commercial Plumbing Contractor Designed For General Contractors With Major Plumbing Projects

Yes, Masterline was created so that General Contractors like you, who are fed up with being let down and don't know who to trust, can easily solve your most challenging plumbing issues! Let me show you it works:

  • Communication Is Key | We place a massive priority on communication. We believe that there is no such thing as too much communication. 

  • On-Time, Every-Time | Expert follow through is EQUALLY as important as perfect communication... we know that. We say what we mean and we mean what we say.

  • Awesome Completion Rates | We leave every job a success. It's our goal to delight our customers with the end result. 

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    Communication Is Key

  • A Staff Of Dedicated, In-House Service Coordinators

  • An All-Star Team of Technicians Who Take Record Of All Work Done With Pictures & Time Stamps

  • Real-Time Job Updates And "A+" Paperwork

  • Get Help With My Next Plumbing Project
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    Masterline Plumbing Communication
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    Masterline GPS


    On-Time, Every-Time

  • Access To Real Time GPS Data Through Verizon Reveal

  • "Honest To A Fault" ETAs and Estimates

  • A Team Of Master Plumbers Who Live Local Are Literally Minutes Away From Site And Are Ready To Help Now!

  • Get Help With My Next Plumbing Project
    Yes! I Want Help With My Next Plumbing Project
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    Unbelievable Completion Rates

  • Our Plumbing Technicians Have Risen To The Level Of Expert After Years Of Experience In Their Craft

  • We Solve THOUSANDS Of Plumbing Issues

  • The Buck Stops With Us, We Are The Last Plumbers You Will Ever Need! (Most Of Our Customers Have Us On Speed Dial!)

  • Get Help With My Next Plumbing Project
    Yes! I Want Help With My Next Plumbing Project
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    Some Of Our Happy Customers

    We Have Fixed Thousands Of Commercial Plumbing Issues At These And Other Businesses!

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    Need To Know MORE About What Masterline Can Do For You?

    Click Below To Learn More About How Masterline Approaches Different Projects:

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    Lazy Dog Build Out


    We Love Restaurants. We've help build tons of them... 

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    Lazy Dog Case Study
    Gas Station Build Out

    Gas Stations

    Gas Stations Are Second Nature To Us - We Got You Covered!

    Show Me More
    Shell Case Study
    Retail Store Build Out

    Retail Stores

    Retail & Convenience Stores Are Our Bread & Butter... Sign Us Up!

    Show Me More
    7-11 Case Study
    Medical build out

    Medical Buildings

    We Know Medical Buildings Better Than Doctors - How Can We Help?

    Show Me More
    Haven Surgical Case Study
  • Professional & Timely Communication

  • Experience With A Range Of Softwares / Service Protocols

  • Fully Licensed & Insured In The State of California

  • Dedicated to Superior Customer Experience

  • Delivering Customized Solutions Since 2007

  • Masterline Has THE TOOLS To Inspect, Diagnose, and Resolve Your Most Biggest & Most Important Plumbing Projects!