Washburn Construction Inc.

Washburn Construction Inc. is a Sunnyvale, California plumbing company holding CSLB license #734942, verified against state records, licensed since 1997.

License verification

License-Verified

CLEARCSLB #734942(B|C36)
Original license date
1997-04-14
Expires
2027-05-31
Insurance through
2027-07-24 (NORGUARD 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: (408) 593-6146
Address: 321 AMERICA AVENUE, Sunnyvale, CA 94085

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