Koch & Koch Inc
Verified against CSLB on · View on CSLB
License details
- License number
- 793724
- Classifications
- A · General EngineeringB · General BuildingC-10 · ElectricalC-21 · Building Moving/DemolitionHAZ · Hazardous Substance Removal Certification
- License term on file
- April 11, 2001 – April 30, 2027
Business
- (530) 432 4000 (CSLB public record)
- 13084 JOHN BAUER AVE, Grass Valley, CA 95945Nevada County
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What to check next
Frequently asked questions
Is Koch & Koch Inc licensed in California?
Yes. Koch & Koch Inc holds an active California state contractor license (CSLB #793724), verified against the CSLB public record on June 17, 2026.
What is Koch & Koch Inc's CSLB license number?
Koch & Koch Inc's California contractor license number is 793724. 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 Koch & Koch Inc licensed for?
Koch & Koch Inc is classified under General Engineering (A), General Building (B), Electrical (C-10), Building Moving/Demolition (C-21), and Hazardous Substance Removal Certification (HAZ) by the CSLB.
How do I verify Koch & Koch Inc's license myself?
Look up license #793724 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 #793724 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.