Contractor License Proof

Koskinen James L

Licensed

Verified against CSLB on June 17, 2026 · View on CSLB

License details

License number: 348200
Status: Active
Classifications: B · General Building
Contractor bond: $25,000
Workers' comp: ExemptNo employees — not a red flag.
License term on file: November 23, 1977 – August 31, 2026

Business

(530) 274 0953 (CSLB public record)
P.O BOX 1243, Grass Valley, CA 95945Nevada County

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Frequently asked questions

Is Koskinen James L licensed in California?

Yes. Koskinen James L holds an active California state contractor license (CSLB #348200), verified against the CSLB public record on June 17, 2026.

What is Koskinen James L's CSLB license number?

Koskinen James L's California contractor license number is 348200. 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 Koskinen James L licensed for?

Koskinen James L is classified under General Building (B) by the CSLB.

How do I verify Koskinen James L's license myself?

Look up license #348200 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 #348200 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.