How can I verify this license myself?

You can check the status directly at the California Contractors State License Board official lookup tool using the license number 669427.

What does the C-39 classification cover?

The C-39 classification covers roofing work, and the record indicates this contractor offers flat and low-slope roofing. California law requires workers' compensation insurance for this license, which is on file with American Casualty Company OF Reading PA.

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

The business was first licensed in 1993. An active status means the license is currently valid and in good standing with the state until the expiration date.

When does the license expire?

The license expires on 2027-04-30. Checking the current status is important because a license can be suspended or revoked at any time.

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 › Sierra Single Ply INC

Sierra Single Ply INC

Roofing contractor · Sacramento, CA 95838 · record last checked July 11, 2026

License active — checked July 11, 2026 offers flat & low-slope roofing (self-described)

License

669427

C-39 Roofing Contractor

Status

active

in good standing per state record

First licensed

1993

per California Contractors State License Board (CSLB)

Expires

April 30, 2027

renewal required

Sierra Single Ply INC is located in Sacramento, 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 1993 and lists flat and low-slope roofing as a specialty.

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

A license confirms the state issued permission to operate but does not indicate the quality of work or customer satisfaction. You must check the official state lookup to see the current status and verify the details listed in this record.

Verify this license yourself (30 seconds)

Don't take our word for it — or anyone's. Search license 669427 at the official California Contractors State License Board (CSLB) lookup and confirm the status is current before you sign anything.

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Specialty evidence

Flat & Low-Slope Roofing: offers flat & low-slope roofing (self-described). Self-described means the signal comes from the business's own name or materials — not an independent certification.

Business phone of record

(916) 640-0123 (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 tool using the license number 669427.
What does the C-39 classification cover?: The C-39 classification covers roofing work, and the record indicates this contractor offers flat and low-slope roofing. California law requires workers' compensation insurance for this license, which is on file with American Casualty Company OF Reading PA.
When was this business first licensed and what does active mean?: The business was first licensed in 1993. An active status means the license is currently valid and in good standing with the state until the expiration date.
When does the license expire?: The license expires on 2027-04-30. Checking the current status is important because a license can be suspended or revoked at any time.
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.