Diamond Innovation Roofing
Redwood City · San Mateo County · CA
VERIFIED
Bestopedia verdict
California’s contractor board lists Diamond Innovation Roofing in CLEAR standing. A contractor bond is on file, and workers’ compensation coverage is current.
- License standing
- 30 / 30
- Years licensed
- 1 / 20
- Contractor bond
- 20 / 20
- Workers' comp
- 20 / 20
- Business structure
- 10 / 10
The verified record
- CSLB license
- #1139474 verify on CSLB ↗
- Classifications
- C-39
- Years licensed
- 1.0 years since 06/25/2025
- Contractor bond
- $25,000 MERCHANTS BONDING COMPANY (MUTUAL)
- Workers’ comp
- Current STATE COMPENSATION INSURANCE FUND
- Business type
- Corporation
- Qualifying principal
- Mario Alberto Cornejo Cisneros
- Address of record
- 807 7th Avenue, Redwood City, CA 94063
Frequently Asked Questions
Is Diamond Innovation Roofing a licensed Roofing contractor in California?
Yes. Diamond Innovation Roofing holds California CSLB contractor license #1139474 with a C-39 (Roofing) classification. Current CSLB status: CLEAR.
What work is Diamond Innovation Roofing licensed to perform?
License #1139474 carries C-39 (Roofing).
Is Diamond Innovation Roofing bonded?
Yes. Diamond Innovation Roofing carries contractor's bond #101445644 for $25,000 through MERCHANTS BONDING COMPANY (MUTUAL).
Does Diamond Innovation Roofing carry workers' compensation insurance?
Yes. Workers' compensation insurance is on file with STATE COMPENSATION INSURANCE FUND, with a policy expiration of 06/11/2027.
How long has Diamond Innovation Roofing held its contractor license?
License #1139474 was originally issued on 06/25/2025, approximately 1 years ago (as of July 2026).
Where is Diamond Innovation Roofing located?
Diamond Innovation Roofing is based in Redwood City, San Mateo County, CA 94063.