Ko Jonathan
Verified against CSLB on · View on CSLB
License details
- License number
- 939589
- Status
- Active
- Classifications
- B · General Building
- Contractor bond
- $25,000
- Workers' comp
- Exempt
- License term on file
- October 29, 2009 – October 31, 2027
Business
- (714) 471 8036 (CSLB public record)
- 2028 KIOWA CREST DRIVE #2, Diamond Bar, CA 91765Los Angeles County
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Frequently asked questions
Is Ko Jonathan licensed in California?
Yes. Ko Jonathan holds an active California state contractor license (CSLB #939589), verified against the CSLB public record on June 17, 2026.
What is Ko Jonathan's CSLB license number?
Ko Jonathan's California contractor license number is 939589. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=939589
What kind of work is Ko Jonathan licensed for?
Ko Jonathan is classified under General Building (B) by the CSLB.
How do I verify Ko Jonathan's license myself?
Look up license #939589 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=939589. 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.