Choose the project type
Start with the water concern and treatment category that best fits your research.
Independent Houston water-treatment research
Compare Houston Water Filtration Providers
Compare 73 Houston-area water treatment companies checked against their own websites on October 18, 2026, understand your treatment options, and know which claims to verify before choosing one.
✓Source checkedProvider-owned pages reviewed↕No paid rankingCompensation does not set orderiClear limitsUnknown claims stay unknown
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Popular Water-Treatment Topics in Houston
Current research set
Houston Water-Treatment Providers
73 Houston-area companies whose own websites describe water softener, water filtration or reverse osmosis service, each re-checked on October 18, 2026.
- Companies listed
- 73
- Water softeners
- 62
- Water filtration
- 49
- Reverse osmosis
- 50
Every listing shows the company's phone and website where verified, service tags backed by a quote from its own site, and whether it serves homes, businesses or both where known. Filter the full list by service, area and customer type.
Browse all 73 Houston companies →City pages
- Katy water treatment companies15 companies, 5 based in Katy
- Cypress water treatment companies14 companies, 7 based in Cypress
Suburb sections in the directory
- Spring (10)
- Sugar Land (8)
- Richmond (8)
- The Woodlands (7)
- Pearland (6)
- Pasadena (6)
- Tomball (6)
- Missouri City (5)
- Humble (5)
- Conroe (5)
- Fulshear (5)
- League City (3)
How it works
Research a Houston Provider in Three Steps
Use the directory as a starting point, then verify the details that matter for your project.
Compare source-checked fields
Review each company’s quoted service statements, source pages, phone, website and check date.
Verify before choosing
Confirm availability, scope, credentials, warranties and pricing directly with the provider.
Research library
Cost, Comparison & Buying Guides
Cost guideWater Softener Cost in Houston
Review the inputs that affect equipment and installation cost before comparing proposals.
Read guide →
ComparisonReverse Osmosis vs. Whole-House Filtration
Compare point-of-use drinking water treatment with point-of-entry filtration.
Read guide →
Buying guideChoose a Home Water Filtration System
Match the treatment category to your water evidence and property requirements.
Read guide →Homeowner guideSigns You May Need a Water Softener
Understand common hard-water indicators and what should be measured before buying.
Read guide →Greater Houston
Areas Included in Our Houston Directory
Individual provider coverage varies and should be confirmed directly.
HoustonSugar LandKatyPearlandCypressSpringThe WoodlandsMissouri CityRichmondRosenbergStaffordFresnoFriendswoodSouth HoustonPasadenaGalena ParkChannelviewSheldonCrosbyBarrettHighlandsDyersdaleAtascocitaHumbleWestfieldAldineJersey VillageFulshearTomballArcola
For water-treatment providers
Is Your Public Information Accurate?
Review our listing methodology, source requirements and correction process. Participation or compensation does not control organic ordering.
Directory FAQ
Frequently Asked Questions
Understand what the directory verifies, what remains unknown, and how to compare providers responsibly.
Does Water Filtration Houston install water-treatment systems?+
No. Water Filtration Houston is an independent publisher and provider-matching service. Participating providers are separate companies that evaluate and perform project work.
Are these providers ranked from best to worst?+
No. The Houston directory is shown alphabetically. Inclusion is based on each company’s own website describing water softener, filtration or reverse osmosis service in the Houston area—not ratings, payment or an unsupported “best” score.
What does source checked mean?+
It means each company’s website was opened again on October 18, 2026 and still described the listed services; the quote and source page are shown with each service tag. It does not verify licensing, insurance, pricing, availability or workmanship.
How should I compare providers?+
Confirm service and address fit, ask each provider for a written scope, and independently verify credentials, warranties and product claims that matter to your decision.
Can Water Filtration Houston help me find a provider?+
You can call (281) 768-4021. You are reaching Water Filtration Houston, which may route qualified inquiries to a participating provider. The publisher is not the installer.
Provider matching
Ready to Find a Houston Provider?
Compare the directory or call Water Filtration Houston for a starting point.