Contractor License Proof

Yun Su Chung

Licensed

Verified against CSLB on August 4, 2026 · View on CSLB

License details

License number: 1120310
Status: Active
Classifications: A · General Engineering
Contractor bond: $25,000
Workers' comp: ExemptNo employees — not a red flag.
License term on file: May 3, 2024 – May 31, 2028

Business

(714) 313 0909 (CSLB public record)
20375 PORTSIDE DR, Walnut, CA 91789Los Angeles County

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Frequently asked questions

Is Yun Su Chung licensed in California?

Yes. Yun Su Chung holds an active California state contractor license (CSLB #1120310), verified against the CSLB public record on August 4, 2026.

What is Yun Su Chung's CSLB license number?

Yun Su Chung's California contractor license number is 1120310. 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 Yun Su Chung licensed for?

Yun Su Chung is classified under General Engineering (A) by the CSLB.

How do I verify Yun Su Chung's license myself?

Look up license #1120310 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 August 4, 2026.

Verify it yourself: How to verify a California contractor license · Look up #1120310 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.