D E AIR & ELECTRICAL
License
- Status
- CLEAR
- First issued
- October 31, 1986
- Expires
- October 31, 2026
- Entity
- Sole Owner
- Address of record
- 20613 SUNRISE DR, Cupertino, CA 95014
- Phone of record
- (408) 777 8698
Contractor bond
- Surety
- AMERICAN CONTRACTORS INDEMNITY COMPANY
- Bond number
- SC645189
- Amount
- $25,000
- Effective
- January 1, 2023
Workers’ compensation
- Carrier
- CONTINENTAL CASUALTY COMPANY
- Policy number
- 8035600164
- Effective
- July 30, 2026
- Expires
- July 30, 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-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor
A contractor may only contract for work within their classifications. See all 20 licensed electrical contractors in Cupertino.
People on this license
| Name | Title | Since | Through |
|---|---|---|---|
| YIN CHENG HSIN | Sole Owner | October 31, 1986 | Current |
| YIN CHENG HSIN | Sole Owner | July 18, 1994 | Current |
| YIN CHENG HSIN | Sole Owner | December 30, 1997 | Current |
| YIN CHENG HSIN | Sole Owner | December 3, 1999 | January 1, 2004 |
Verified status badge
Put this on your website or in a bid packet. It reads the state’s record live every time someone loads it, so it is never a screenshot of a good day. Free, and you don’t need to claim this listing to use it.
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</a>The badge shows whatever the CSLB record says — including a suspension or lapsed coverage. There is no paid version and no way to change what it displays. That is what makes it worth showing. The same data as JSON if you’d rather build your own.
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.