Gronau Construction
Verified against CSLB on · View on CSLB
License details
- License number
- 906691
- Classifications
- License term on file
- November 16, 2007 – November 30, 2027
Business
- (209) 419 1314 (CSLB public record)
- P O BOX 299, Rail Road Flat, CA 95248Calaveras County
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Frequently asked questions
Is Gronau Construction licensed in California?
Yes. Gronau Construction holds an active California state contractor license (CSLB #906691), verified against the CSLB public record on June 17, 2026.
What is Gronau Construction's CSLB license number?
Gronau Construction's California contractor license number is 906691. 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 Gronau Construction licensed for?
Gronau Construction is classified under General Building (B) by the CSLB.
How do I verify Gronau Construction's license myself?
Look up license #906691 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 #906691 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.