How can I verify this license myself?

You can check the status directly at the California Contractors State License Board official lookup page using the license number 1148152.

What does a C-39 license cover and what about insurance?

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

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

The business was first licensed in 2025. An active status means the license is currently valid and the contractor is authorized to perform work.

When does the license expire and why check the status?

The license expires on 2027-12-31. You must check the current status before hiring to ensure the license has not been suspended or expired.

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 › Mdc Weatherproofing INC

Mdc Weatherproofing INC

Roofing contractor · Fullerton, CA 92832 · record last checked July 11, 2026

License active — checked July 11, 2026

License

1148152

C-39 Roofing Contractor

Status

active

in good standing per state record

First licensed

2025

per California Contractors State License Board (CSLB)

Expires

December 31, 2027

renewal required

Mdc Weatherproofing INC is located in Fullerton, CA and holds an active C-39 Roofing Contractor license issued by the California Contractors State License Board. The record shows the business was first licensed in 2025 and the license expires on 2027-12-31.

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

This license confirms the state issued permission to operate, but it does not indicate the quality of work or customer satisfaction. A license status of active means the contractor is currently authorized to work, while an expired or suspended status would require you to look elsewhere.

Verify this license yourself (30 seconds)

Don't take our word for it — or anyone's. Search license 1148152 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

(714) 733-0506 (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 page using the license number 1148152.
What does a C-39 license cover and what about insurance?: A C-39 license covers roofing work. The record shows workers' compensation is on file with the State Compensation Insurance Fund, which is a requirement for this classification.
When was this business first licensed and what does active mean?: The business was first licensed in 2025. An active status means the license is currently valid and the contractor is authorized to perform work.
When does the license expire and why check the status?: The license expires on 2027-12-31. You must check the current status before hiring to ensure the license has not been suspended or expired.
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.

Guides for hiring smart

Get the free Seasonal Home Maintenance Schedule

Month-by-month checklist for your state — roof, gutters, HVAC and more. Plus license-lapse alerts for contractors you're considering.

We don't sell your email address. See our privacy & editorial policy.

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.