Contractor License Proof

Duncan and Sons Construction Inc

Licensed

Verified against CSLB on · View on CSLB

License details

License number
1107507
Status
Active
Classifications
B · General Building
Contractor bond
$25,000
Workers' comp
ExemptNo employees — not a red flag.
License term on file
July 21, 2023 – July 31, 2027

Business

  • (707) 354 0699 (CSLB public record)
  • 19700 SHAFER RANCH RD, Willits, CA 95490Mendocino County

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Frequently asked questions

Is Duncan and Sons Construction Inc licensed in California?

Yes. Duncan and Sons Construction Inc holds an active California state contractor license (CSLB #1107507), verified against the CSLB public record on June 17, 2026.

What is Duncan and Sons Construction Inc's CSLB license number?

Duncan and Sons Construction Inc's California contractor license number is 1107507. 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 Duncan and Sons Construction Inc licensed for?

Duncan and Sons Construction Inc is classified under General Building (B) by the CSLB.

How do I verify Duncan and Sons Construction Inc's license myself?

Look up license #1107507 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 #1107507 on CSLB

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See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.