D John Roser Inc
Verified against CSLB on · View on CSLB
License details
- License number
- 506778
- Classifications
- License term on file
- March 9, 1987 – March 31, 2027
Business
- (818) 706 2411 (CSLB public record)
- 31356 VIA COLINAS UNIT 111, Westlake Village, CA 91362Ventura County
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What to check next
Frequently asked questions
Is D John Roser Inc licensed in California?
Yes. D John Roser Inc holds an active California state contractor license (CSLB #506778), verified against the CSLB public record on September 28, 2026.
What is D John Roser Inc's CSLB license number?
D John Roser Inc's California contractor license number is 506778. 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 D John Roser Inc licensed for?
D John Roser Inc is classified under General Engineering (A), Asbestos Certification (ASB), General Building (B), Electrical (C-10), Earthwork and Paving (C-12), Fencing (C-13), Landscaping (C-27), Plumbing (C-36), and Concrete (C-8) by the CSLB.
How do I verify D John Roser Inc's license myself?
Look up license #506778 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 September 28, 2026.
Verify it yourself: How to verify a California contractor license · Look up #506778 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.