Mercy Plumbing
A plumbing company based in Katy. Everything below is either taken from the company's own website or checked against an official record, and each fact is labeled with which.
- Website
- mercyplumbing.com
- Phone
- (832) 876-9498
Phone and website as published by the company. We don't link to listed companies. We are not affiliated with Mercy Plumbing and do not receive anything if you contact them.
Key facts
| Fact | What we found | Evidence |
|---|---|---|
| Texas plumbing license | John Lohse holds Master Plumber license M-39926 and is the company's responsible master plumber on the state record (company on record: “MERCY PLUMBING LLC”). Status: Current, expires June 30, 2027. The insurance certificate date on the record (October 23, 2026) had passed when we checked; confirm current coverage with the company. Matches the number the company publishes (“MPL-39926”). Look it up yourself | Official record |
| Location | 5560 South Peek Road, Katy, TX 77450 | Company says |
| Phone | (832) 876-9498 | Company says |
| Areas named | Katy, Cinco Ranch, Bunker Hill Village, Fulshear, Richmond, Sugar Land, Jersey Village | Company says |
| Family-owned; advertises 24/7 service | Family-owned & Operated - 24/7 Plumbing Services(source: mercyplumbing.com) | Company says |
| Years in business (its pages give conflicting figures) | the go-to choice for professional plumbing services in Katy since 2001(source: mercyplumbing.com/service-area) | Company says |
| Money-back guarantee | 100% money back guarantee – We guarantee you’ll be satisfied with our work, or your money back.(source: mercyplumbing.com/about-us) | Company says |
| Financing offered (page link) | Katy TX Plumbing Financing(source: mercyplumbing.com) | Company says |
“Company says” items are the business's own statements. We have not confirmed them and they are not endorsements. Ask about anything that matters to you before work starts.
Services listed on its website
- Emergency service
- Drain cleaning
- Sewer line repair
- Water heater repair
- Water heater installation
- Tankless water heaters
- Leak detection
- Slab leak repair
- Pipe repair
- Repiping
- Gas lines
- Commercial plumbing
- Water filtration
- Hydro jetting
Katy-based residential plumbing company whose service menu includes hydrostatic testing, sewer camera inspection and trenchless sewer work. Its service-area page says it serves master-planned communities in and around Katy.
Before you hire
- Search the company or its responsible master plumber in the TSBPE license records and confirm the status is active.
- Ask whether your job needs a permit from your city, and who will pull it.
- Get the service-call or diagnostic fee and the estimate in writing before work begins.
- Ask what warranty covers parts and labor, and for how long.
Our guide to Texas plumbing licenses and Houston-area permits explains each step.
Sources for this profile (4)
- Mercy Plumbing: Homepage (mercyplumbing.com) (checked Nov 3, 2026)
- Mercy Plumbing: Service area page (mercyplumbing.com/service-area) (checked Nov 3, 2026)
- Mercy Plumbing: About page (mercyplumbing.com/about-us) (checked Nov 3, 2026)
- Texas State Board of Plumbing Examiners: Responsible Master Plumber licensee list (official, updated daily) (checked Nov 3, 2026)