Clear
RUBY PLUMBING & ELECTRICAL SUPPLY INC
License
- Status
- CLEAR
- First issued
- April 22, 1998
- Expires
- April 30, 2028
- Entity
- Corporation
- Address of record
- 1234 GENEVA AVENUE, San Francisco, CA 94112
- Phone of record
- (415) 337 9133
Contractor bond
- Surety
- WESTERN SURETY COMPANY
- Bond number
- 67526145
- Amount
- $25,000
- Effective
- October 10, 2025
Workers’ compensation
- Carrier
- STATE COMPENSATION INSURANCE FUND
- Policy number
- 1517115
- Effective
- April 16, 1998
- Expires
- April 16, 2027
Are they licensed for your job?
A California contractor may only contract for work their classification covers. Pick the job and this reads the license on file against it.
Licensed to perform
- B General Building Contractor
- C-10 Electrical Contractor
- C-16 Fire Protection Contractor
- C-36 Plumbing Contractor
A contractor may only contract for work within their classifications. See all 547 licensed electrical contractors in San Francisco.
People on this license
| Name | Title | Since | Through |
|---|---|---|---|
| CHEN TOM HONG | Responsible Managing Officer | September 20, 2004 | Current |
| CHIA WAI KWONG | Responsible Managing Officer/Chief Executive Officer/President | April 22, 1998 | Current |
| CHEN TOM HONG | Officer | April 22, 1998 | September 20, 2004 |
| CHIA WAI KWONG | Responsible Managing Officer/Chief Executive Officer/President | April 22, 1998 | September 20, 2004 |
| CHIA WAI KWONG | Responsible Managing Officer/Chief Executive Officer/President | December 3, 1999 | January 1, 2004 |
Is this your license?
Claim this page to add your photos, description, service area and contact details. The state’s record above stays exactly as it is — claiming adds to a page, it never edits or hides anything the CSLB reports.
Source: California Contractors State License Board public records. Coverage lapse is evaluated against today’s date; all other fields reflect the latest weekly CSLB file. Confirm at the CSLB’s official record before signing a contract.