Mount St Helena Plumbing

Mount St Helena Plumbing is a Middletown, California plumbing company holding CSLB license #662542, verified against state records, licensed since 1993.

License verification

License-Verified

CLEARCSLB #662542(C36)
Original license date
1993-01-08
Expires
2028-04-30
Last verified 2026-08-17 · Verify at the state registry
Verification history
1. 2026-08-17 · checked against the state file · status: CLEAR

Contact

Phone: (707) 987-9804
Address: 20667 SANTA ROSA AVE, Middletown, CA 95461

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