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Top-Rated Plumbers in O Fallon - Updated Nov 2026

Avatar for Ambassador Plumbing L.L.C
Ambassador Plumbing L.L.C
5.0(
40
)
Water Heater - Install or ReplaceDrain Line Breakage - Camera LocateDrain Line Breakage - Camera Locate - For Business+14 more

Serving O Fallon, MO and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"Awesome. Showed up on time. Courteous. Clean. Of the several company reps that I spoke with Austine Ambassador Plumbing) gave me the most confidence. I will definitely work with them again!"
Response time1 day
Response rate100%
1 neighbors recently requested a quote
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Avatar for KIRKWOOD PLUMBING INC
KIRKWOOD PLUMBING INC
4.3(
98
)
Drain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For Business

Serving O Fallon, MO and surrounding areas

Approved

In business since 1987

Emergency services offered

Warranties offered

"Garrett was very professional and efficient. He got the job done in a timely manner. We are very pleased with his work and will call again if we have a plumbing issue. Dee B."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+3

1 neighbors recently requested a quote
Recommended by79%of homeowners
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Avatar for Roto-Rooter Plumbing & Water Cleanup - St. Louis
Roto-Rooter Plumbing & Water Cleanup - St. Louis
4.4(
2,017
)
Drain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For BusinessDrain Line Breakage - Camera Locate+11 more

Serving O Fallon, MO and surrounding areas

Approved (Corporate)

In business since 1935

Free estimates

Emergency services offered

"It was expensive but fine. The plumber was very nice."
Roto Rooter- St. Louis
Roto Rooter- St. Louis
Roto Rooter- St. Louis
Roto Rooter- St. Louis
Roto Rooter- St. Louis

+1

Recommended by87%of homeowners
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Avatar for SC Hosack Plumbing & Excavating
SC Hosack Plumbing & Excavating
4.8(
104
)
Faucets, Fixtures and Pipes - Repair or ReplaceWater Heater - Install or ReplaceWater Heater - Install or Replace - For Business+2 more

Serving O Fallon, MO and surrounding areas

Approved

In business since 2006

Emergency services offered

Warranties offered

"I did not contact SC Hosack Plumbing at all, so I know NOTHING of their skills, services or cost."
30% tax credit
Vanity Bowl
Steam Shower
Kitchen
Go Green

+3

12 neighbors recently requested a quote
Recommended by97%of homeowners
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Avatar for Go Time Plumbing Services
Go Time Plumbing Services
4.8(
46
)
Faucets, Fixtures and Pipes - Repair or ReplaceWater Heater - Install or ReplaceWater Heater - Repair or Service+3 more

Serving O Fallon, MO and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Warranties offered

"Eric did a great job and was very fun to work with. The new sink looks great and everything is working smoothly. Highly recommend Go Time Plumbing Services."
Response time6 hrs
Response rate100%
113 neighbors recently requested a quote
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Avatar for Ducky Drains LLC
Ducky Drains LLC
5.0(
37
)
Faucets, Fixtures and Pipes - Repair or ReplaceDrain Clog or Blockage - ClearDrain Line Breakage - Camera Locate+2 more

Serving O Fallon, MO and surrounding areas

Approved

In business since 2024

Free estimates

Emergency services offered

"Mike was very professional and friendly. He works diligently and takes pride in a job well done. He has done other plumbing issues in my home"
Response time7 hrs
7 neighbors recently requested a quote
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Avatar for Mr. Rooter Plumbing of St. Charles
Mr. Rooter Plumbing of St. Charles
4.2(
340
)
Faucets, Fixtures and Pipes - Repair or ReplaceWater Heater - Install or ReplaceSewer Main - Install, Replace or Repair+15 more

Serving O Fallon, MO and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"My plumber was very knowledgeable and helpful."
Mr. Rooter of St. Louis
Mr. Rooter of St. Louis
Mr. Rooter of St. Louis
Mr. Rooter of St. Louis
Mr. Rooter of St. Louis

+7

Response time6 hrs
44 neighbors recently requested a quote
Recommended by89%of homeowners
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Avatar for Zoom Drain St. Louis
Zoom Drain St. Louis
4.7(
80
)
Drain Clog or Blockage - ClearSewer Main - ClearSewer Main - Install, Replace or Repair+7 more

Serving O Fallon, MO and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Emergency services offered

Warranties offered

"My Pro was absolutely fantastic. Not only did he take care of my clogged sink, his "sink side manner" displayed respect, knowledge, and professionalism. He also left me with information on how to clear my drain naturally. Zoom Drain is now my go to company for plumbing."
Zoom Drain Residential
Zoom Drain Jetting
Zoom Drain Video Camera Inspection
Zoom Drain PowerSnaking
Zoom Drain Shower PowerSnaking

+9

Response time11 hrs
Response rate92%
54 neighbors recently requested a quote
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Avatar for MH Contracting, LLC
MH Contracting, LLC
4.8(
70
)
Plumbing for a Remodel or Addition - Install

Serving O Fallon, MO and surrounding areas

Approved

In business since 2012

Free estimates

Warranties offered

"Showed up when they said and completed kitchen remodeling plumbing as required by code."
siding job
siding job
siding job
Siding job
Bathroom remodel

+196

Response time1 day
4 neighbors recently requested a quote
Recommended by96%of homeowners
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Avatar for Jacuzzi Bath Remodel of St. Louis
Jacuzzi Bath Remodel of St. Louis
4.8(
79
)
Shower Install or ReplaceBathtub Install or Replace

Serving O Fallon, MO and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Credit card accepted

"The people on the phone and the workers that worked at my house were fantastic. Damien and Ernest were the installer's top rate people. Jack, their license plumber was polite and funny. The only person we didn't care for was Keith He only stopped by to look at what was going on. He was a little rude to my wife and Made her feel Like she was second class in her own home. We Were very shocked by that. We would definitely recommend Jacuzzi to our friends."
Matte Black
Brushed Nickel
Brushed Nickel
Chrome Rainhead
Chrome Grab Shelf

+15

81 neighbors recently requested a quote
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Showing 1-10 of 416

FAQs for plumbing projects in O Fallon, MO

It depends on the severity of the leak. Minor leaks may not require immediate attention and can be scheduled during regular business hours. However, if the leak is causing significant water damage or you can't control the flow of water, it's best to call an emergency plumber right away. Addressing serious leaks promptly can prevent structural damage and mold growth, potentially saving you money on extensive repairs later.

A journeyperson plumber is a licensed professional with a state-issued permit who installs and repairs piping for water and heating systems under the supervision of a master plumber. They have completed extensive training and amassed significant experience leading teams, drafting blueprints, and designing comprehensive plumbing installations. Their proven expertise ensures that they can handle both routine repairs and complex projects with precision.

The O Fallon, MO homeowners’ guide to plumbing services

From average costs to expert advice, get all the answers you need to get your job done.

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