National Construction

National Construction is a Hawthorne, California plumbing company holding CSLB license #423142, verified against state records, licensed since 1982.

License verification

License-Verified

CLEARCSLB #423142(B|C10|C20|C36|C38)
Original license date
1982-05-06
Expires
2028-01-31
Insurance through
2027-01-01 (OAK RIVER 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: (310) 297-9722
Address: 5400 ROSECRANS AVENUE, Hawthorne, CA 90250

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