Os1 Construction Inc.

Os1 Construction Inc. is a Richmond, California roofing company holding CSLB license #1130949, verified against state records, licensed since 2024.

License verification

License-Verified

CLEARCSLB #1130949(B|C39)
Original license date
2024-12-26
Expires
2026-12-31
Insurance through
2027-04-22 (STATE COMPENSATION INSURANCE FUND)
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) 820-4820
Address: 711 FLORIDA AVENUE, Richmond, CA 94804

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