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TRUSTED BY O FALLON, MO HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon3k+
    Verified plumbing services reviews

Find Plumbers in O Fallon

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

"Outstanding Service from Express Services Plumbing! I had a fantastic experience with Express Services Plumbing. From the moment I called, their team was professional, courteous, and incredibly responsive. They quickly diagnosed the issue, explained everything clearly, and completed the work efficiently without cutting any corners. What impressed me most was their attention to detail and respect for my home—everything was left clean and in great shape. The plumber who came out was knowledgeable, honest, and clearly took pride in his work. It’s rare to find a company that combines quality service, fair pricing, and top-notch customer care like this. Highly recommend Express Services Plumbing for any plumbing needs—definitely my go-to from now on!"
Response time10 hrs
2 neighbors recently requested a quote
Recommended by4%of homeowners
Avatar for Ducky Drains LLC
Ducky Drains LLC
5.0(
36
)
Drain Line Breakage - Camera LocateFaucets, Fixtures and Pipes - Repair or ReplaceDrain Clog or Blockage - Clear+2 more

Serving O Fallon, MO and surrounding areas

Approved

In business since 2024

Free estimates

Emergency services offered

"I cannot emphasize enough how Ducky Drains will be my choice anytime I have an issue with my plumbing. Mike was super knowledgable, quick and helpful! He’s growing his business the correct way, on his integrity. I’ve been raked over the coals by other plumbers. If you are in need of help with any plumbing problems, he’s your guy!"
Response time9 hrs
3 neighbors recently requested a quote
Avatar for Mr. Rooter Plumbing of St. Charles
Mr. Rooter Plumbing of St. Charles
4.2(
339
)
Faucets, Fixtures and Pipes - Repair or ReplaceDrain Clog or Blockage - ClearGas Piping+15 more

Serving O Fallon, MO and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"The plumber was excellent. Good experience! They were the second company that I contacted. I did schedule the first just to get an estimate. Mr. Rooter came right out. They gave me what I thought was a reasonable estimate with two options. I decided on the lower cost, hopeful option and said I would wait for another quote if it was determined that I needed the much higher cost second option. Fortunately the low cost option did the trick. I was so happy and satisfied with the relatively quick work, I asked the plumber to give me a quote on something else I needed. I had that work done too. Both repairs were done to my satisfaction. I will be using them again for anymore of my plumbing needs."
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
52 neighbors recently requested a quote
Recommended by89%of homeowners
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Plumbing questions, answered by experts

Homeowners must decide between trenchless or full excavation methods for sewer lateral repairs, which impacts yard disruption. You are responsible for ensuring your contractor pulls permits and schedules O'Fallon city inspections for significant plumbing upgrades. You must select your water heater type and fuel source. Finally, check your homeowner association rules to confirm exterior work and sump pump discharge locations comply with local regulations.

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?

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?

After plumbing work in O'Fallon, confirm that all installations meet local code requirements and keep documentation for future reference. Inspect pipe insulation before winter to prevent freezing, and flush your water heater annually to manage mineral buildup. Test your sump pump each season, and if you use a private well, schedule annual water quality checks. Regularly checking for leaks supports long-term plumbing system health.

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 plumbing services

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