YQ AIR CONDITION SOLUTION
License
- Status
- CLEAR
- First issued
- June 28, 2021
- Expires
- June 30, 2027
- Entity
- Sole Owner
- Address of record
- 1246 S DIAMOND BAR BLVD UNIT B, Diamond Bar, CA 91765
- Phone of record
- (626) 271 4834
Contractor bond
- Surety
- WESTERN SURETY COMPANY
- Bond number
- 67397036
- Amount
- $25,000
- Effective
- May 17, 2025
Workers’ compensation
- Carrier
- NATIONAL FIRE INSURANCE COMPANY OF HARTFORD
- Policy number
- WC835772243
- Effective
- January 18, 2026
- Expires
- January 18, 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 28 licensed warm-air heating, ventilating and air-conditioning contractors in Diamond Bar.
People on this license
| Name | Title | Since | Through |
|---|---|---|---|
| QIN YALONG | Sole Owner | June 28, 2021 | 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.