Castner
Verified against CSLB on · View on CSLB
License details
- License number
- 1000101
- Classifications
- License term on file
- January 13, 2015 – January 31, 2027
Business
- (707) 718 3136 (CSLB public record)
- 6937 ELAND RD, Joplin, MO 64804
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Frequently asked questions
Is Castner licensed in California?
Yes. Castner holds an active California state contractor license (CSLB #1000101), verified against the CSLB public record on August 4, 2026.
What is Castner's CSLB license number?
Castner's California contractor license number is 1000101. 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 Castner licensed for?
Castner is classified under General Engineering (A) by the CSLB.
How do I verify Castner's license myself?
Look up license #1000101 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 August 4, 2026.
Verify it yourself: How to verify a California contractor license · Look up #1000101 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.