Class One Cleanrooms

Class One Cleanrooms is a Rancho Santa Margarita, California restoration company holding CSLB license #465364, verified against state records, licensed since 1984.

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Licensed General Contractors in Rancho Santa Margarita, CA - ranked #4 of 8 listed

License verification

License-Verified

CLEARCSLB #465364(B)
Original license date
1984-11-13
Expires
2026-11-30
Insurance through
2027-03-05 (AMTRUST INSURANCE COMPANY)
Last verified 2026-08-22 · Verify at the state registry
Verification history
1. 2026-08-22 · checked against the state file · status: CLEAR

Contact

Phone: (949) 589-9008
Address: 29722 AVENIDA DE LAS BANDERAS, Rancho Santa Margarita, CA 92688

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