California contractor license
A-1 GUARANTEED HEATING & AIR CONDITIONING INC
- B General Building
- C20 Warm-Air Heating, Ventilating And Air-Conditioning
- C36 Plumbing
A-1 GUARANTEED HEATING & AIR CONDITIONING INC is a B General Building, C20 Warm-Air Heating, Ventilating And Air-Conditioning and C36 Plumbing contractor in Vallejo, Solano County, licensed in California for 30 years (since 1996). As of Aug 14, 2026, the license is active with an expiration date of Sep 30, 2028 on record and a license bond is on file.
A-1 GUARANTEED HEATING & AIR CONDITIONING INCB General Building · C20 Warm-Air Heating, Ventilating And Air-Conditioning · C36 Plumbing · checked Aug 14, 2026
ActiveLicense number#719381
Licensed sinceFeb 27, 1996
Years licensed30 years
Expiration on recordSep 30, 2028
City and countyVallejo, Solano County
License bondOn file
ProjectsNone on file
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Source: California Contractors State License Board (CSLB) and City of Los Angeles permit records. Last updated Aug 14, 2026.