Water Filtration in St. Louis, MO
Whole-home filtration, softeners and drinking-water systems chosen to match your water.
- Plumbing and Water
- Homes and businesses
- One call, not five
One request. One expert. One call.
Prefer to type? Text your request to 314-270-2054.

Spots on glassware, odd tastes and stained fixtures are signs of what is in your water. Submit one request and a water specialist will contact you to talk about testing and treatment.
The right system depends on what a water test shows and how much your household uses. Filters, softeners and reverse osmosis each solve different problems, and a good installer sizes the equipment accordingly.
Water Filtration: what our partners handle
- Whole-home water filtration systems
- Water softeners and conditioners
- Sediment and carbon filtration
- Under-sink and kitchen drinking water filters
- Water testing and system sizing
- Service, filter changes and repairs
Signs it is time to call
- Chlorine taste or odor in tap water
- White spots and scale on glass, fixtures and showers
- Orange or brown stains in sinks and tubs
- Dry skin and hair, or soap that will not lather
What happens after you ask
- 1
You submit once
Tell us what you need and where. It takes about a minute.
- 2
One expert contacts you
A member of our team reviews it and calls. Only one contractor will ever call.
- 3
Assess, estimate, work
Royal Water Filters sends a licensed, independent, insured, vetted pro to assess, estimate and do the work.
About water filtration
Do I need a softener or a filter?
They solve different problems. Softeners deal with the hard water minerals that cause scale. Filters reduce things like sediment, chlorine and odors. Some homes use both. A specialist can recommend based on a test.
How often do filters need changing?
It depends on the system and your water use. Your installer will give you a schedule and can handle the changes for you.
Will several contractors call me?
No. Only one contractor will ever call about your request. You will not get a pile of calls and constant emails, and we never sell your information.
Who does the work?
A licensed, independent, insured and vetted partner contractor visits to assess the work, gives you an estimate and does the work if you decide to go ahead. See our Terms of Use for details.
Related services.
P-01Plumbing and WaterPlumbersLeaks, clogs, water heaters and fixtures taken care of by a plumber who contacts you directly.See the service
P-02Plumbing and WaterDrain CleaningClogged drains cleared and cameras run so the problem is fixed at the source.See the service
I-01InteriorsKitchensKitchen remodels from a refresh to a full redesign, planned and carried out by one coordinated team.See the service
I-02InteriorsBath RemodelingBathroom remodels, from updated fixtures to a full gut renovation, finished with care.See the service Guides that help you decide
Home Systems and GroundWater Heater Warning SignsLeaks, noise, rust and lukewarm showers: signs your water heater needs attention.2 min read
Home Systems and GroundClay Soil, Foundations and Drainage in the St. Louis areaWhy water management matters as much as structure when it comes to your foundation.2 min read
Seasons and StormsStorm Damage Checklist for the St. Louis areaSafety first, then documentation, protection and calling the right pros after a severe storm.2 min read Available across St. Louis and the Metro East
Pick your community to see everything we do there.
