License is active
Source: Contractors State License Board (CSLB)
Licensed
Current and in good standing
Bonded
$25,000 surety bond
WC exempt
No employees — exempt from requirement
Clean record
No complaints or disciplinary actions
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MASTERPIECE STEEL STUD SYSTEMS
- License Number
- 658300
- State
- California
- Status
- active
- Business Type
- Sole Owner
- Address
- 4495 LARIAT LANE OAKLEY, CA, 94561 Contra Costa County
- Phone
- (510) 377 7511
License Dates
Issued
11/10/1992
Expires
04/30/2026
Expires in 18 days
Reissued
04/26/2018
CSLB Last Updated
02/25/2026
License Classifications
Personnel & Officers
CISNEROS RONALD SCOTT
Sole Owner
Contractor Bond
Amount: $25,000
Company: OHIO CASUALTY INSURANCE COMPANY (THE)
Bond #999345948
Effective: 08/02/2024
Workers' Compensation
Owner/officer with no employees — exempt from WC requirement
CSLB designation: Exempt
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
151 Union St, 94111
(n) breakroom demo (e) office space, (n) millwork and appliances, (n) paint, (n) flooring, (n) folding door between (n) break area, and (e) trainnig room, and (n) plumbing and electrical
$25,000
2025-01-03
otc alterations permit
3250 Van Ness Av, 94109
install 3 compartment sink, hand sink, & repairs to existing appliances per sfdph inspection of kitchen associated with 3rd floor cafe. work includes repairs & installation of plumbing fixtures. no ne
$30,000
2020-10-05
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