Directory › Plumbing and HVAC › 91764
Sm Waterworks Backflow Service
Licensed. A, C36, C60 · Licence 1115619 · issued in California.
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About this listing
| Trade | Plumbing and HVAC |
| Location | Ontario, CA 91764 |
| Type | Independent tradesperson |
| Phone | (909) 828-**** (on record; published once the listing is claimed) |
The public record
| Credential | Licensed · A, C36, C60 |
| Number | 1115619 |
| Issued in | California |
| Issuing authority | Contractors State License Board |
| Expiry on record | Jan 31, 2028 |
| Last confirmed | Aug 22, 2026 (on record since Jul 25, 2026) |
A licensed individual trading under their own name. Well suited to smaller jobs. Ask to see proof of liability insurance and workers' compensation before work starts, since sole licensees are not always required to carry either.
Every listing here is drawn from public records and is not self-reported. More plumbing and hvac near 91764.