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Onyx Custom Pools

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About
We are a local & family owned business in the north Austin area. Our focus is quality, communication, and customer satisfaction. Swimming pools are our life! We specialize in pool maintenance, pool repair, plumbing, pool upgrades, heater diagnostics/installs and filter cleaning.
Overview

Hired 38 times

Serves Round Rock, TX

Background checked

2 employees

5 years in business

Business hours

This pro hasn't listed their business hours.

Payment methods

This pro accepts payments via Cash, Check, and Zelle.

Social media

Instagram

Top Pro status

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2023

Services offered
Additional services
Project type

Inspection

Indoors or outdoors

Outdoors

Projects and media
Projects and media
Reviews

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

Great 4.8

23 reviews

5

96%

4

0%

3

0%

2

0%

1

4%

Read reviews that mention:


pro avatar
Prash A.

Sep 8, 2025

Hired on Thumbtack

Anthony did an excellent job with our pool repair. He was extremely knowledgeable and took the time to carefully explain everything. What stood out the most was that he never rushed the job—he spent extra time making sure everything was done right, yet didn’t charge us more for the additional work. That level of honesty and professionalism is rare these days. We’re very happy with the results and will definitely use his services again.

Details: In ground • Outdoors

Swimming Pool Repair
pro avatar
Anjelica J.

Oct 17, 2025

Hired on Thumbtack

Very quick turnaround on the project. Our cooldeck looks great.

Details: In ground • Outdoors • Concrete • Cracked, flaking surface or loose tiles

Swimming Pool Repair
pro avatar
Shoaib M.

Aug 6, 2025

Hired on Thumbtack

He gave me a quote to repair a small leak but never showed up for the work… tried to call him multiple times without any luck. In the meantime, my pool has turned green…

Details: In ground • Outdoors • Fiberglass

Onyx Custom Pools's reply
Hi there! Apologies for any delays you experienced. I had communicated with you once I was able to verify my account information and find your contact information again since my business phone was crushed and I had to get a new phone. It took me a day or two, however I did reach back out and it was unfortunately too late by the time I was able to access your contact info again. Hope you found the help you needed.
Swimming Pool Repair
pro avatar
Amanda R.

Jul 14, 2023

Hired on Thumbtack

Anthony was a life saver! Our pool pump went out and we had it replaced by a different pool company. They did a really bad job and we needed it replaced again ASAP. With the scorching Texas heat, our pool was turning green without the pump. Anthony responded immediately and replaced the pump within 24 hours of my request on Thumbtack. Couldn’t be happier with his work - will definitely use him again!

Details: In ground • Outdoors • Concrete • Non-functional pump

Swimming Pool Repair
pro avatar
Kelly B.

Apr 18, 2023

Hired on Thumbtack

Anthony is great! He did a great job replacing our pool pump. He replaced the wiring and was reasonably price. We will definitely keep his number and use him for all our pool needs!

Details: In ground • Outdoors • Concrete • Non-functional pump

Swimming Pool Repair
Credentials
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Anthony Hay

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