Basement Finish Plumbing in St. Louis
Rough-Ins, bathroom add-ons, sump sumps, repairs.
Your Trusted Basement Plumbing Experts in St. Louis
Mike LaFata Plumbing is your go-to expert for basement finish plumbing in St. Louis. Whether you’re transforming your basement into a family retreat, adding a new bathroom, or installing a wet bar, our licensed plumbers ensure code-compliant work with lasting performance.
We handle everything from initial rough-ins to final fixture installation—and we do it all with honest, flat-rate pricing and a clean, professional approach.
Complete Basement Plumbing Services
Basement Rough-In Plumbing
A quality rough-in is critical to avoiding expensive issues down the road. We lay the groundwork for drain lines, water supply lines, and vent stacks, all positioned to meet St. Louis plumbing codes and your exact layout.
- Drain, waste, and vent (DWV) installation
- Water supply lines (PEX/Copper)
- Future fixture location planning
- Concrete breaking and patching included
Whether your basement is unfinished or just at framing, we make sure the plumbing infrastructure is built to last.
Request service online or call 314-623-5261 to schedule your plumbing services.
Bathroom Add-Ons for Finished Basements
From compact half baths to full spa-style showers, we install all types of basement bathrooms with proper venting, and code compliance.
Services include:
- Toilet installation
- Showers and tubs
- Vanities and sinks
We coordinate with your general contractor—or manage our own scope of work.
Wet Bars & Utility Sinks
Installing a wet bar or utility sink? We make it simple. We’ll run new supply and drain lines, install fixtures, and ensure everything’s sealed and secured. Ideal for entertainers, DIYers, and growing families.
- Ice maker and dishwasher hookups
- Stainless and under-mount bar sink plumbing
- Laundry and utility sinks with deep basins
- Shut-off valves and pressure testing included
Sump Pump Installation & Replacement
A properly working sump pump is essential for finished basements. Whether you need a new unit installed or your existing pump replaced, we use high-quality systems designed to handle St. Louis’s wet seasons.
Our sump pump services include:
- Primary pump installation
- Battery backup systems
- Check valves and drainage lines
Need help fast? Ask about our emergency sump pump service. Call 314-623-5261 or schedule online.
What to Expect From Our Basement Plumbing Services
- Initial Walkthrough & Estimate – We assess your basement and provide a detailed quote.
- Rough-In Plumbing – We install drains, vents, and water lines to code.
- Inspection Support – We coordinate permitting and inspections with your city.
- Final Install – Fixtures, sump pumps, wet bars, and more.
- Post-Project Cleanup – We leave your space tidy and ready for finishing work.
Get In Touch Today!
Why St. Louis Homeowners Trust Mike LaFata Plumbing
Upfront Pricing—No Surprise Charges
Quality Fixtures and Name-Brand Pumps
Responsive Service—Same-Day When Available
FAQs About Basement Finish Plumbing
Do I need a permit for basement plumbing in St. Louis?
Can I add a bathroom to any basement?
How long does a typical basement rough-in take?
What type of sump pump do I need?
Ready to finish your basement the right way?
Let’s bring your vision to life—cleanly, safely, and to code. Fill out the form or give us a call to get your service scheduled.