Residential Plumbing in St. Louis & St. Charles

Landmark Plumbing provides complete residential plumbing services for homeowners throughout St. Louis and St. Charles County. From leaky faucets to full re-pipes, our licensed plumbers handle every job with quality workmanship, honest pricing, and respect for your home.

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  • Licensed & Insured
  • Same-Day Service Available
  • No Hidden Fees

Our Approach

What Our Residential Plumbing Service Includes

Every visit follows a thorough, professional process designed to solve your problem efficiently and leave your home or business in great shape.

  • Leak Detection & Repair

    We locate and fix leaks fast u2014 faucets, pipes, fixtures, and supply lines u2014 using non-invasive methods wherever possible.

  • Fixture Installation

    Supply and install faucets, sinks, toilets, showers, and tubs with manufacturer-certified workmanship.

  • Pipe Repair & Re-piping

    From patching a single section to a full whole-home re-pipe in copper or PEX, done right the first time.

  • Preventive Maintenance

    Annual inspections and tune-ups keep your home's plumbing system healthy and catch problems early.

We Solve This

Common Residential Plumbing Problems We Fix

Not sure if your situation is serious? Here are the issues we handle most often — and how we fix them.

  • Problem

    Dripping faucets wasting water

    Our Solution

    We replace worn washers, cartridges, or the entire fixture to stop the waste for good.

  • Problem

    Running toilet that won't stop

    Our Solution

    Flapper, fill valve, or flush valve replacement with quality parts backed by our guarantee.

  • Problem

    Low water pressure throughout the home

    Our Solution

    Full pressure diagnosis covering supply lines, pressure regulators, and corroded pipes.

  • Problem

    Pinhole leaks in copper pipes

    Our Solution

    Targeted section repair or re-pipe recommendation based on the age and condition of your system.

Why Landmark Plumbing

The Right Team for Residential Plumbing

  • Licensed & Insured

    Every technician holds a valid Missouri plumbing license. We carry full liability and workers' compensation insurance.

  • On-Time Every Time

    We respect your schedule. Arrive on time, communicate clearly, and finish the job without unnecessary delays.

  • Transparent Pricing

    You get a written estimate before work starts. The price we quote is the price you pay — no hidden fees.

  • Satisfaction Guaranteed

    If you're not completely satisfied with our work, we return and make it right — no questions asked.

Got Questions?

Frequently Asked Questions About Residential Plumbing

Need a Residential Plumber Today?

Call us or request a quote online. We serve homeowners throughout St. Louis and St. Charles County with same-day appointments available.

  • Free, no-obligation estimates
  • Same-day appointments available
  • 24/7 emergency response

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