John Mc Donagh Builders And Energy Systems

John Mc Donagh Builders And Energy Systems is a Castro Valley, California plumbing company holding CSLB license #422946, verified against state records, licensed since 1982.

License verification

License-Verified

CLEARCSLB #422946(B|C4|C10|C27|C33|C36|C38|C43|HAZ)
Original license date
1982-05-18
Expires
2028-05-31
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) 567-5246
Address: 5057 AUGUST COURT, Castro Valley, CA 94546

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