H & R Underground

H & R Underground is an El Sobrante, California plumbing company holding CSLB license #878364, verified against state records, licensed since 2006.

License verification

License-Verified

CLEARCSLB #878364(C36|C42)
Original license date
2006-05-24
Expires
2028-04-30
Insurance through
2026-12-01 (CYPRESS INSURANCE COMPANY)
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: (510) 222-5556
Address: 4221 APPIAN WAY, El Sobrante, CA 94803

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