License is active
Source: Contractors State License Board (CSLB)
Licensed
Current and in good standing
Bonded
$25,000 surety bond
Insured
Workers' comp coverage on file
Clean record
No complaints or disciplinary actions
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DIABLO ROOFING INC
- License Number
- 1069338
- State
- California
- Status
- active
- Business Type
- Corporation
- Address
- 3661 STAR RIDGE RD HAYWARD, CA, 94542 Alameda County
- Phone
- (510) 600 5394
License Dates
Issued
09/30/2020
Expires
09/30/2026
Expires in 6 months — verify renewal before long contracts
CSLB Last Updated
02/03/2026
License Classifications
Personnel & Officers
CONTRERAS SANCHEZ ADRIAN| CONTRERAS ADRIAN
Responsible Managing Officer/Chief Executive Officer/President
Contractor Bond
Amount: $25,000
Company: OHIO CASUALTY INSURANCE COMPANY (THE)
Bond #024277989
Effective: 09/01/2024
Workers' Compensation
Carrier: FEDERAL INSURANCE COMPANY
Policy #54326656
Effective: 02/08/2025
Expires: 02/08/2027
CSLB designation: Workers' Compensation Insurance
Complaints & Disciplinary History
This reflects CSLB's bulk license data. For detailed complaint history including pending investigations, check the official CSLB record.
Building Permits
Source: LA City Open Data (LADBS)
otc alterations permit
618 Eugenia Av, 94110
reroofing. no work to (e) roof structural sheathing - (e) roof structural sheathing to remain.
$26,168
2024-08-30
otc alterations permit
340 Fell St, 94102
re-roofing
$350,000
2024-07-17
otc alterations permit
1750 Harrison St, 94103
reroofing
$225,737
2023-06-22
otc alterations permit
790 Tennessee St, 94107
reroofing only. layer only.
$47,624
2023-05-19
Verify this record on the official state licensing board
View on Contractors State License Board (CSLB) →Learn how to verify contractor licenses in California
California licensing guide →Data sourced from official state licensing board records. Always confirm critical information directly with the state board.
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