A-1 Guaranteed Heating & Air Conditioning Inc.

A-1 Guaranteed Heating & Air Conditioning Inc. is a Vallejo, California plumbing company holding CSLB license #719381, verified against state records, licensed since 1996.

License verification

License-Verified

CLEARCSLB #719381(B|C20|C36)
Original license date
1996-02-27
Expires
2028-09-30
Insurance through
2026-10-01 (EMPLOYERS PREFERRED 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: (707) 645-0734
Address: 1768 BROADWAY, Vallejo, CA 94589

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