California › San Francisco County › General Building & ADU in San Francisco › ROBERT CHIANG
Listed from CSLB's public license file · unclaimed
ROBERT CHIANG
San Francisco, CA 94121 · San Francisco County · Sole Owner
✓License Verified CSLB file · Oct 20, 2026
Licensed for A General Engineering, B General Building, C-36 Plumbing, C-51 Structural Steel. Double-check this license at CSLB → (enter #365642 on CSLB's Check a License page)
License facts from CSLB
| License number | #365642 |
| Status in CSLB file | ● CLEAR (active) |
| Pending suspension | None in CSLB file |
| Classifications | A General EngineeringB General BuildingC-36 PlumbingC-51 Structural Steel |
| Issued / expires | Nov 2, 1978 · expires Nov 30, 2026 |
| Business type | Sole Owner |
| Phone on file | (415) 760-6678 |
| Contractor's bond | $25,000 on file · surety: AMERICAN CONTRACTORS INDEMNITY COMPANY · effective Jan 2, 2025 |
| Workers' compensation | Exempt. The license holder certified to CSLB that they have no employees. |
| Checked against CSLB file | Oct 20, 2026 |
Source: CSLB Public Data Portal, License Master file dated Oct 20, 2026. Status can change at any time, so confirm it with CSLB's Instant License Check before you sign. A CSLB record doesn't show general liability insurance, so ask for a certificate. The License Verified stamp means the license was active in that day's file with no CSLB flag on it. It isn't a rating, a recommendation, or a promise about workmanship.
Listed on
Every page where this license appears. Listing order is always A–Z.
General Building & ADU in San FranciscoPlumbing in San FranciscoAll licensed trades in San Francisco · How to check a contractor's license