California contractor license
DAVID MICHAEL HELM
- B General Building
- C20 Warm-Air Heating, Ventilating And Air-Conditioning
DAVID MICHAEL HELM is a B General Building and C20 Warm-Air Heating, Ventilating And Air-Conditioning contractor in Redondo Beach, Los Angeles County, licensed in California for 40 years (since 1986). As of Jul 14, 2025, the license is active with an expiration date of Aug 31, 2027 on record and a license bond is on file.
DAVID MICHAEL HELMB General Building · C20 Warm-Air Heating, Ventilating And Air-Conditioning · checked Jul 14, 2025
ActiveLicense number#497808
Licensed sinceSep 5, 1986
Years licensed40 years
Expiration on recordAug 31, 2027
City and countyRedondo Beach, Los Angeles 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 Jul 14, 2025.