Costello's Plumbing

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Licensed

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About

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Overview

Current Top Pro

Hired 320 times

Background checked

License verified

4 employees

Business hours

This pro hasn't listed their business hours.

Payment methods

This pro accepts payments via Cash, Check, Credit card, PayPal, Square cash app, Venmo, and Zelle.

Top Pro status

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

2025

2024

2023

2022

2021

2020

2018

2017

Credentials

License verified

C36 – Plumbing Contractor

License state: CA

Background checked

Passed by Gary Costello, Jr on Apr 28, 2021.

Services offered

Pipe issues

Leaking pipes

Burst pipes

Other pipe issue

Poor draining

Repair urgency

I work on non-urgent repairs

I work on urgent repairs

Flooding status

Yes

Projects and media

Reviews

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

Great 4.8

218 reviews

5

91%

4

4%

3

1%

2

1%

1

3%

Read reviews that mention:

Jo A.

May 2, 2025

•

Hired on Thumbtack

Great job done well and completed when they said it would be. I appreciated their willingness to answer my questions about why they used certain materials vs others. They paid attention to safety and cleaned up when job was finished. I'll use them again for future plumbing needs.

Details: No, I do not need to replace a sink • As recommended by professional • 0 sinks • 3 faucets • House

Sink or Faucet Installation or Replacement

Lily L.

Dec 30, 2024

•

Hired on Thumbtack

Costello’s Plumbing was great. They provided quick and professional service. They helped identify our issues with our main sewage drain, provided a fix and long term advice. Thanks!

Details: Yes, repair is urgent • Part of a larger issue with the plumbing system • Clogging • Gurgling sounds • Unpleasant odor • House

Plumbing Drain Repair

Jay T.

Jul 11, 2025

•

Hired on Thumbtack

Excellent job by Miguel. Reasonable price and very professional work. I can always call them again because of nice job and very good work by Miguel. 5 out 5. Thank you.

Details: No new piping needed • Other plumbing installation or replacement • House

Plumbing Pipe Installation or Replacement

Philip G.

Oct 27, 2025

•

Hired on Thumbtack

The team was very responsive and worked around my schedule. I got clear, useful advice and would hire them again for future work!

Details: Routine maintenance • No problem, just need maintenance • Gas tank • Kitchen • House

Water Heater Repair or Maintenance

Alex L.

Nov 25, 2025

•

Hired on Thumbtack

Happy to get them over and get the work done for a reasonable price!

Details: No new piping needed • Other plumbing installation or replacement • Condo/Apartment

Plumbing Pipe Installation or Replacement

FAQs

What should the customer know about your pricing (e.g., discounts, fees)?
I normaly will charge by the job and prefer to look at project to assure you are receiving a proper estimate
What is your typical process for working with a new customer?
I give options to your problem at hand and will notify you of problems if any
What education and/or training do you have that relates to your work?
I have my c36 plumbing contractors license many years experience in diagnostics and repairs.

Costello's Plumbing

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