4 S Air Inc
Verified against CSLB on · View on CSLB
License details
- License number
- 931194
- Classifications
- License term on file
- April 14, 2009 – April 30, 2027
Business
- (909) 576 6586 (CSLB public record)
- 9997 LANGSTON STREET, Rancho Cucamonga, CA 91730San Bernardino County
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What to check next
Frequently asked questions
Is 4 S Air Inc licensed in California?
Yes. 4 S Air Inc holds an active California state contractor license (CSLB #931194), verified against the CSLB public record on June 17, 2026.
What is 4 S Air Inc's CSLB license number?
4 S Air Inc's California contractor license number is 931194. Look that number up with the CSLB "Check a License" tool to confirm its current status against the public record yourself.
What kind of work is 4 S Air Inc licensed for?
4 S Air Inc is classified under Warm-Air Heating, Ventilating and Air-Conditioning (C-20) by the CSLB.
How do I verify 4 S Air Inc's license myself?
Look up license #931194 with the CSLB "Check a License" tool and compare the status, bond, and workers' compensation details against what's shown on this page. This page reflects the CSLB public record as of June 17, 2026.
Verify it yourself: How to verify a California contractor license · Look up #931194 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.