Utmost Plumbing

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About

Utmost Plumbing established 2024 , we are a small family owned business that is dedicated to providing customers with top notch quality plumbing services at affordable and competitive pricing. We specialize in residential and commercial service and repair plumbing with 10+ years in this industry. We started Utmost Plumbing with the sole purpose to impact this industry by providing exceptional customer service and top notch quality plumbing work at great affordable yet competitive pricing.

Overview

Hired 10 times

Background checked

License verified

3 employees

2 years in business

Business hours

SunClosedMon7:00 am - 7:00 pm

Payment methods

This pro accepts payments via Apple Pay, Cash, Check, Credit card, Google Pay, PayPal, Samsung Pay, Square cash app, Stripe, and Zelle.

Credentials

License verified

C36 – Plumbing Contractor

License state: CA

Background checked

Passed by Carlos Fonseca on Jan 22, 2025.

Services offered

Emergency plumbing issue

Leaking or burst pipes or appliances

Clogged toilet or drain

Sewer backup

Flooding

Affected appliances or fixtures

Toilet

Sink or faucet

Shower or bathtub

Washing machine

Property type

House

Condo/Apartment

Townhouse

Business

Projects and media

Reviews

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

Exceptional 5.0

8 reviews

5

100%

4

0%

3

0%

2

0%

1

0%

Read reviews that mention:

Cathy L.

2 weeks ago

•

Hired on Thumbtack

If you ever find yourself staring down a leaking faucet that sounds like it’s trying to communicate in Morse code, do yourself a favor and call Utmost Plumbing. Charlie showed up like he’d been training his whole life for this exact drip‑drip‑drip showdown. From the moment he walked in, he was knowledgeable, explaining what was wrong with my faucet in a way that made me feel like I could almost pass for a junior plumber. He was friendly and didn’t judge me when I admitted I had tried “fixing” it by turning things off. But the best part? Charlie was absolutely determined to get the job done. My faucet put up a fight — at one point I’m pretty sure it hissed — but Charlie handled it with the calm confidence of someone who has seen far worse plumbing crimes. Within no time, the leak was gone, the faucet was behaving, and my bathroom no longer performed its Morse code ritual. Five stars for Charlie and Utmost Plumbing. If something in your house is dripping, gurgling, clanking, or otherwise acting possessed, call them. They’ll fix it with friendly service and they’ll leave you wondering why you ever tried to DIY anything involving water.

Details: Faucet malfunctioning • Bathroom • Shower or bathtub • Sink or faucet • House

Emergency Plumbing

True R.

Mar 2, 2026

•

Hired on Thumbtack

Carlos saved our day and in such a tight timeline. I needed our kitchen sink unclogged and Carlos made it happen on a Sunday within two hours. He was extremely professional, honest and fair. I’ll be reaching to Carlos and Utmost Plumbing for any and all of my future plumbing needs.

Details: Yes, repair is urgent • Only one drain has issues • Clogging • Slow draining • Townhouse

Plumbing Drain Repair

Elias E.

Jan 8, 2026

•

Hired on Thumbtack

Details: Yes, repair is urgent • Only one drain has issues • Clogging • Slow draining • House

Plumbing Drain Repair

Tracee T.

Jan 20, 2026

•

Hired on Thumbtack

Carlos was great! Gave me a rundown of what might be the cause, cost and timeframe. He communicated when he was on his way and arrived on time.

Details: Failure in heating system • Garage • Water heater • House

Emergency Plumbing

Mudi W.

Jan 15, 2026

•

Hired on Thumbtack

Carlos did a great job replacing our water valves. They were old and corroded for about 20 yrs. It’s hard to find a plumber who gives me reasonable price. He replaced a good quality valve that is even commercial grade. Everything looks nice and clean. The price is within our budget. Will definitely hire him next time.

Details: A few pipes • Other plumbing installation or replacement • Condo/Apartment

Plumbing Pipe Installation or Replacement

Utmost Plumbing

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