How can I verify this license myself?

You can check the status directly at the California Contractors State License Board official lookup using the license number 424063.

What does the C-39 classification cover?

The C-39 classification is for roofing contractors. The record shows workers' compensation is on file with the State Compensation Insurance Fund, which is a standard requirement for this license type.

When was this business first licensed and what does active mean?

The license was first issued in 1982. An active status means the license is currently valid and not suspended or revoked.

When does the license expire?

The license expires on 2028-02-29. Checking the current status matters because a license can be revoked at any time, and an expired license means the contractor cannot legally work.

What should I check before signing with a roofing contractor?

Verify the license status yourself at the state lookup, get the full scope of work in a written quote, and ask for local addresses of past jobs.

Home › Roofing › California › Knox Roofing INC

Knox Roofing INC

Roofing contractor · Vista, CA 92083 · record last checked July 11, 2026

License active — checked July 11, 2026

License

424063

C-39 Roofing Contractor

Status

active

in good standing per state record

First licensed

1982

per California Contractors State License Board (CSLB)

Expires

February 29, 2028

renewal required

Knox Roofing INC holds an active C-39 Roofing Contractor license issued by the California Contractors State License Board. The business mailing address of record is in Vista, CA.

What this record does — and doesn't — tell you

This license confirms the state issued permission to operate, but it does not indicate work quality or customer satisfaction. A license status is not an endorsement of the contractor's performance.

Verify this license yourself (30 seconds)

Don't take our word for it — or anyone's. Search license 424063 at the official California Contractors State License Board (CSLB) lookup and confirm the status is current before you sign anything.

Open the official California license search →

Business phone of record

(760) 519-9539 (from the California Contractors State License Board (CSLB) license file — call them directly)

Common questions

How can I verify this license myself?: You can check the status directly at the California Contractors State License Board official lookup using the license number 424063.
What does the C-39 classification cover?: The C-39 classification is for roofing contractors. The record shows workers' compensation is on file with the State Compensation Insurance Fund, which is a standard requirement for this license type.
When was this business first licensed and what does active mean?: The license was first issued in 1982. An active status means the license is currently valid and not suspended or revoked.
When does the license expire?: The license expires on 2028-02-29. Checking the current status matters because a license can be revoked at any time, and an expired license means the contractor cannot legally work.
What should I check before signing with a roofing contractor?: Verify the license status yourself at the state lookup, get the full scope of work in a written quote, and ask for local addresses of past jobs.

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Source: California Contractors State License Board (CSLB), license file dated July 11, 2026. Safe Home Experts re-checks California records on a fixed schedule and unpublishes lapsed licenses. This page describes a public record — it is not a review, rating, or endorsement. Corrections: data corrections.