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St. Charles County

Plumber in O'Fallon, MO

Based in O'Fallon, R.S. Johnson Plumbing LLC helps homeowners with water heater problems, plumbing leaks and fixture replacements. Tell us what is happening at your home, and the team will discuss the next step and scheduling.

Call 314-220-1827

How We Can Help

Plumbing Help Close to Our Home Base

For an O'Fallon service request, include your street address and whether the problem affects one fixture or the whole house. For a water heater, a photo of the model label and surrounding connections is useful. For a leak, tell us where water appears and when it happens. This helps us understand the work before the visit; it does not replace an on-site assessment.

Arrange Your Visit

Submit a service request through our website, or call or text 314-220-1827. Requests go to Ryan through Housecall Pro. Regular hours are Monday through Friday, 8 a.m. to 4 p.m. We provide free estimates, charge no service-call fee and send arrival texts. Work and pricing are reviewed with you before the repair begins.

Local Service Questions

Do You Serve Both O'Fallon ZIP Codes?

We take homeowner service requests in the O'Fallon area, including 63366 and 63368. ZIP codes cross community boundaries, so share your full address when arranging the visit.

Are You Based in O'Fallon?

Yes. R.S. Johnson Plumbing LLC is based in O'Fallon, Missouri. We travel to customers' homes; these service pages describe coverage rather than separate storefronts.

Can I Request More Than One Repair?

Yes. Include each concern in your request, such as a dripping faucet and a water heater problem. The team can discuss the scope and scheduling with you before the visit.

Tell Us What Needs Attention

Include your address, the symptoms and any equipment or fixture details. We will discuss the next step with you.

Call 314-220-1827

Owner Ryan Johnson is a master plumber. The business is insured and bonded.