Top-rated affordable plumbers.

Get matched with top affordable plumbers in O Fallon, MO

Enter your zip and get matched with up to 5 pros

Need a pro for your affordable plumbing project in O Fallon, MO?

Select your specific project to find the pro for you.

TRUSTED BY O FALLON, MO HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon3.1k+
    Verified affordable plumbing services reviews

Find Affordable plumbers in O Fallon

Avatar for KIRKWOOD PLUMBING INC
KIRKWOOD PLUMBING INC
4.3(
95
)
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

"Kirkwood Plumbing was very responsive, sending a highly qualified technician within 24-hours. He did an incredible job replacing old cast stacks and vents to our 2nd floor bath. The further comment that I would make is they are not cheap. I'm still trying to reconcile their cost for a 7-8 hour job, but the results couldn't be better."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+3

Recommended by81%of homeowners
Avatar for Express Services Plumbing LLC
Express Services Plumbing LLC
5.0(
24
)
Faucets, Fixtures and Pipes - Repair or ReplaceDrain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For Business+3 more

Serving O Fallon, MO and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Credit card accepted

"My hot water heater went out. I called several plumbers and was being quoted astronomical amounts along with quite a wait time to get to me. Brice was able to get the job done quickly (since no hot water sucks) and at a price I could live with. He was super funny and professional and made me feel like a friend had come over to help. I will always call him first for any of my plumbing needs"
Response time12 hrs
2 neighbors recently requested a quote
Recommended by4%of homeowners
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 can t say enough great things about Hosack Plumbing and Excavation. They just completed replacing the main water line from our home to the street. Their work is excellent, they completely explain what they are doing and make you feel very comfortable and when the work is completed everything is neat and clean and back to its original state. Their pricing was very fair and they were professional and friendly."
 30% tax credit
Vanity Bowl
Steam Shower
Kitchen
 Go Green

+3

6 neighbors recently requested a quote
Recommended by97%of homeowners
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

"MH Contracting is my number one choice for any type of plumbing work. First, their Veteran owned and that means a lot! Equally important is that they perform the highest quality work. They're, organized, responsive, respectful, professional, courteous, get the work completed the first time and they clean up after themselves. They truly take care of the customer. I first met them through a general contractor who signed on to do a large remodel project for me that included the complete rearranging of all second floor plumbing. They were impressive during the remodel and because of that, I've used them for all my plumbing work ever since! They're fantastic and won't disappoint!"
siding job
siding job
siding job
Siding job
Bathroom remodel

+196

Response time1 day
Recommended by96%of homeowners
...
Showing 1-10 of 410
Affordable Plumbers questions, answered by experts

In O'Fallon, plumbing projects often interact with electrical, HVAC, and structural systems. For example, installing a new water heater or sump pump may require electrical updates, while pipe leaks can impact HVAC performance and air quality. Sewer line repairs might involve foundation work, and bathroom renovations could affect walls or flooring. Always coordinate with utility providers before starting major plumbing changes.

Helpful?

Always verify that your contractor holds a valid state license and carries adequate insurance to protect your property during MO storms. Hire professionals familiar with local codes rather than general metro standards. Your contractor must pull necessary permits for major plumbing projects, like water heater replacements. Choose experts experienced with older local infrastructure, such as cast iron drain lines and clay sewer laterals.

Helpful?

Routine plumbing maintenance in MO involves flushing your water heater twice a year to combat hard water sediment. You must winterize your system before November by disconnecting outdoor hoses and insulating exposed pipes in garages or crawl spaces. Test your sump pump annually before the spring storm season. Schedule a camera inspection of your sewer lateral to catch root intrusion early in clay soils.

Helpful?

In O'Fallon, urgent plumbing issues like burst pipes, sewer backups, or water heater failures require immediate attention, especially during cold snaps or heavy rainfall. Projects such as fixture upgrades or bathroom remodels can typically be planned for milder seasons like spring or fall. Always consider local weather, the risk of water damage, and contractor availability when prioritizing repairs or improvements.

Helpful?

In O'Fallon, recurring clogs, low water pressure, visible pipe corrosion, or mineral deposits on fixtures can signal poor past plumbing work. Foundation settling due to clay soil may cause pipe misalignment, while freeze-thaw cycles can lead to joint leaks. If permits were skipped or incompatible materials were used, or if water quality issues persist, have a professional evaluate the system for possible rework.

Helpful?

The O Fallon, MO homeowners’ guide to affordable plumbing services

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