Mason Air Systems
Verified against CSLB on · View on CSLB
License details
- License number
- 1019634
- Status
- Active
- Classifications
- C-20 · Warm-Air Heating, Ventilating and Air-Conditioning
- Contractor bond
- $25,000
- Workers' comp
- Covered
- License term on file
- October 20, 2016 – October 31, 2026
Business
- (661) 904 0613 (CSLB public record)
- 19876 ERMINE ST, Canyon Country, CA 91351Los Angeles County
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Frequently asked questions
Is Mason Air Systems licensed in California?
Yes. Mason Air Systems holds an active California state contractor license (CSLB #1019634), verified against the CSLB public record on June 17, 2026.
What is Mason Air Systems's CSLB license number?
Mason Air Systems's California contractor license number is 1019634. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1019634
What kind of work is Mason Air Systems licensed for?
Mason Air Systems is classified under Warm-Air Heating, Ventilating and Air-Conditioning (C-20) by the CSLB.
How do I verify Mason Air Systems's license myself?
Look up license #1019634 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1019634. This page reflects the CSLB public record as of June 17, 2026.
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.