Kinstle John S
Verified against CSLB on · View on CSLB
License details
- License number
- 333270
- Classifications
- License term on file
- March 17, 1977 – June 30, 2028
Business
- (510) 882 9927 (CSLB public record)
- 37 HOLLY LANE, El Sobrante, CA 948033315Contra Costa County
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What to check next
Frequently asked questions
Is Kinstle John S licensed in California?
Yes. Kinstle John S holds an active California state contractor license (CSLB #333270), verified against the CSLB public record on June 17, 2026.
What is Kinstle John S's CSLB license number?
Kinstle John S's California contractor license number is 333270. 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 Kinstle John S licensed for?
Kinstle John S is classified under General Building (B) by the CSLB.
How do I verify Kinstle John S's license myself?
Look up license #333270 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 #333270 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.