The Drain Chief

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About

Professional Reliable Service and Repair Plumbing Service. We can handle any Residential job. From Drain Cleaning, Jetter Service, Drain Repair, Trenchless Sewer Repair, Sewer Camera Inspections, Water Heaters Installed, Plumbing Repairs, Plumbing Leaks, to full Copper/ Pex Re-Pipes, Plumbing Code Violations Corrected. Work vans are well equipped for most on site repairs, With over 30 years experience and 100 % satisfaction "Licensed. Bonded. Insured" "No A.D.U. Rough Plumbing Offered at this time"

Overview

Hired 284 times

Background checked

License verified

2 employees

22 years in business

Business hours

Sun6:00 am - 3:00 pmMon6:00 am - 5:00 pm

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Top Pro status

Top Pros are among the highest-rated, most popular professionals on Thumbtack.

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Credentials

License verified

C36 – Plumbing Contractor

License state: CA

Background checked

Passed by Mario Mendoza on Feb 27, 2021.

Services offered

Project type

Toilet replacement

New toilet installation

Reviews

Customers rated this pro highly for professionalism, work quality, and responsiveness.

Exceptional 5.0

248 reviews

5

99%

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Customer photos

Read reviews that mention:

Michael N.

May 28, 2025

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Hired on Thumbtack

Details: No, I do not need to replace a sink • As recommended by professional • 0 sinks • 1 faucet • House

Sink or Faucet Installation or Replacement

Erwin R.

Dec 16, 2024

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Hired on Thumbtack

We had a cracked toilet that needed to be replaced. Mario answered the call and was very professional throughout the process. He came on time, explained everything and answered all the questions I had. He even gave me tips on maintenance. He was very professional, easy to talk to, like talking to an old friend, very honest and detail oriented. Left the area cleaner than he found it. (He even put on shoe covers when entering the house!) It was a wonderful experience. He will be the first one I call for any future plumbing work. Thanks again Chief!

Details: Replace an existing toilet • 1 toilet

Toilet Installation or Replacement

H. A.

6 days ago

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Hired on Thumbtack

Details: No, repair is not urgent • Only one drain has issues • Other issue • House

Plumbing Drain Repair

James B.

4 days ago

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Hired on Thumbtack

Mario was professional and thorough. He fixed my dishwasher issue with no problems. Even popped by a second time to fix another issue he’d noticed! Really appreciate his diligence, and will definitely use again.

Details: No, repair is not urgent • Only one drain has issues • Other issue • Clogging • Leaking (problem area unknown) • House

Plumbing Drain Repair

Nancy L.

Nov 12, 2025

•

Hired on Thumbtack

Mario cleared my challenging drain problem promptly and had all the right equipment with him on first visit. His many years of experience really came in handy! I'll definitely be calling him again for future plumbing jobs.

Details: No, repair is not urgent • Only one drain has issues • Clogging • House

Plumbing Drain Repair

FAQs

What should the customer know about your pricing (e.g., discounts, fees)?
10 percent Senior and Veteran discount
What is your typical process for working with a new customer?
Keep customer informed on my arrival time. Upon arrival introduce myself, provide customer with business card. Give the best solution to resolve plumbing needs.
What education and/or training do you have that relates to your work?
Professional plumber with over 30 years experience servicing customers in Los Angeles area since 1985