California contractor license
DIAMOND AIR SERVICES INC
- B General Building
- C20 Warm-Air Heating, Ventilating And Air-Conditioning
- C43 Sheet Metal
DIAMOND AIR SERVICES INC is a B General Building, C20 Warm-Air Heating, Ventilating And Air-Conditioning and C43 Sheet Metal contractor in Ontario, San Bernardino County, licensed in California for 7 years (since 2018). As of Nov 18, 2025, the license is active with an expiration date of Nov 30, 2027 on record and a license bond is on file.
DIAMOND AIR SERVICES INCB General Building · C20 Warm-Air Heating, Ventilating And Air-Conditioning · C43 Sheet Metal · checked Nov 18, 2025
ActiveLicense number#1047483
Licensed sinceDec 4, 2018
Years licensed7 years
Expiration on recordNov 30, 2027
City and countyOntario, San Bernardino 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 Nov 18, 2025.