Plumbing Services | Let the Team at B.F. Mahn Worry About Your Plumbing Issues

B.F. Mahn is your local plumbing specialist! Our team of highly trained and knowledgable technicians are ready to take care of any plumbing service, repair, maintenance or installation you need.

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28 Total Reviews /files//bf_mahn-logo.png636-586-2300$112 W Clement St., De Soto MO

B.F. Mahn & Sons Inc. are Your Local Plumbing Service Experts

B. F. Mahn & Sons have always been on the forefront of plumbing services. We have provided communities in Jefferson County with plumbing repair, maintenance, and replacement services for 5 generations, and guarantee you will receive the best possible service at a competitive price.

Do you have a clogged drain? Call the team at B.F. Mahn, we can take care of your clogged drain, garbage disposal and more!

We have experience with all types of plumbing issues and repairs including:

  • Blocked drains
  • Blocked sewer lines
  • Blocked shower drains
  • Burst/ leaky pipes
  • Gas leaks
  • Leaking hot-water unit
  • Other plumbing issues
  • Sewer backups
  • Tap doesn’t turn off
  • Water pressure problems

New Construction Plumbing & Repair

There are a lot of factors to worry about when building a new home or office. With B. F. Mahn & Sons, you can trust your new plumbing and fixtures will be in working order when you move in. To ensure your plumbing functions without problems, we coordinate our work with the other contractors and architects on your home. No matter the size of your new home or business, we will make sure you are outfitted with the required plumbing fixtures and equipment.

Is it time to take your kitchen out of the 90's and into the 21st century? Call B.F. Mahn today to start your remodeling project!

Bathroom Remodeling

In a lot of ways, the bathroom is one of the most important rooms in your home. If you're planning a bathroom remodel, it can be difficult sorting out the logistics, plumbing layout, and fixture placement. Whether you want to add another bathroom to your home or need to replace your bathtub, we are experts in the field. Remodeling your home can boost the value of your home, and we will help you make the most of your space without breaking the bank.

Sewer, Drain & Well

  • Sewer Line Clearing

  • Sewer Line Replacement

  • Drain Cleaning

  • Well Pumps


  • Bathroom Fixture Service & Repair

  • Bathroom Fixture Installation & Replacement

  • Running Toilet

  • Clogged Shower-head

  • Shower Leak

  • Water Temperature Fluctuations


  • Kitchen Fixture Service & Repair

  • Kitchen Fixture Installation & Replacement

  • Low Water Pressure

  • Garbage Disposal Install

  • Garbage Disposal Service

  • Dishwasher Service

General Plumbing Issues

  • No Water

  • No Hot Water

  • Low Water Pressure

Does your home's water leave hard water stains on glassware and your shower or tub? A water softener can solve your issues! Call B.F. Mahn today to get your estimate or for service on your existing system.

Water Softeners

Water softeners remove damaging minerals from hard water. Your water's “hardness” is determined by the amount of minerals present. When hard water moves through pipes, it can leave mineral deposits on the pipe surface. Installing a water softener can help break up these mineral deposits and improve the movement and condition of water within your pipes. If a water softener is not properly maintained, it can cause premature damage and wear to your fixtures, appliances, and water heater.

Sump Pumps

Sump pumps are designed to pump excess water out of basements. That water can make its way into your basement if: your basement is below the water table in your area, if there is flooding, or if there is too much rain for your yard to absorb. Because it helps prevent basement flooding, a sump pump can save you thousands of dollars in the event your property is affected by flooding. In order to keep your sump pump working properly regular maintenance and service is recommended.

Does your basement flood often? A sump pump can keep your basement from flooding and prevent property damage.


Delta Faucets

Moen Faucets

Kohler Faucets

TOTO Faucets



Sterling Fixtures

Gerber Fixtures

Oasis Fixtures

Diamond Fixtures

Elkay Fixtures


Bradford White Water Heaters

State Water Heaters


Bradford White Water Heaters