California › San Francisco County › HVAC in San Francisco › WILLIAM'S HEATING
Listed from CSLB's public license file · unclaimed
WILLIAM'S HEATING
San Francisco, CA 94124 · San Francisco County · Sole Owner
✓License Verified CSLB file dated Oct 20, 2026
Licensed for C-20 Warm-Air Heating, Ventilating and Air-Conditioning (HVAC). Double-check this license at CSLB → (enter #766335 on CSLB's Check a License page)
License facts from CSLB
| License number | #766335 |
| Status in CSLB file | ● CLEAR (active) |
| Pending suspension | None in CSLB file |
| Classifications | C-20 Warm-Air Heating, Ventilating and Air-Conditioning (HVAC) |
| Issued / expires | Jul 26, 1999 · expires Jul 31, 2027 |
| Business type | Sole Owner |
| Phone on file | (415) 518-3675 |
| Contractor's bond | $25,000 on file · surety: ATLANTIC SPECIALTY INSURANCE COMPANY · effective Apr 22, 2026 |
| Workers' compensation | License does not have current W/C |
| Checked against CSLB file | Oct 20, 2026 |
CSLB requires C-20 licensees to carry workers' compensation even with no employees. This record doesn't show a policy. Ask the contractor, and check CSLB's current record before you hire.
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. It isn't a rating, a recommendation, or a promise about workmanship.