Best Licensed Plumbers in Prosser, WA
3 plumbers companies registered in Prosser hold current L&I licenses, verified against official records as of August 12, 2026. The 3 companies below passed every verification check, ranked by insurance status and bond amount.
How we chose: We identified 4 companies registered in Prosser. 3 passed license verification. These 3 passed every check. Our methodology
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- ✓ L&I License #COYSPPL784NB — verify at state registryInsured — HISCOX INSURANCE COMPANY INCBonded — $6,000
- Verified
- August 12, 2026
- Phone
- +15097864319
- ✓ L&I License #TREKPPL758RC — verify at state registryInsured — Obsidian Specialty Insurance CBonded — $6,000
- Verified
- August 12, 2026
- Phone
- +15095376880
- Verified
- August 12, 2026
- Phone
- +15098306109
Compare the top 3 at a glance
| Company | License | Insurance on file | Licensed since |
|---|---|---|---|
| Coy's Plumbing LLC | #COYSPPL784NB | Current | - |
| Trek Plumbing LLC | #TREKPPL758RC | Current | - |
| W I T LLC | #WITLLIT763KF | Current | - |