S T W HVAC
License
- Status
- CLEAR
- First issued
- December 21, 2011
- Expires
- December 31, 2027
- Entity
- Sole Owner
- Address of record
- 1805 N COPPER VALLEY LANE, Walnut, CA 91789
- Phone of record
- (909) 915 9135
Contractor bond
- Surety
- PHILADELPHIA INDEMNITY INSURANCE COMPANY
- Bond number
- PB10163410904
- Amount
- $25,000
- Effective
- April 21, 2026
Workers’ compensation
- Carrier
- CONTINENTAL CASUALTY COMPANY
- Policy number
- 8035875520
- Effective
- April 21, 2026
- Expires
- April 21, 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
A contractor may only contract for work within their classifications. See all 22 licensed warm-air heating, ventilating and air-conditioning contractors in Walnut.
People on this license
| Name | Title | Since | Through |
|---|---|---|---|
| WANG SAM WI-TSU | Sole Owner | December 21, 2011 | Current |
Verified status badge
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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.