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Diamond Air Services INC: CSLB License #1047483
Source: CSLB public data · Updated November 1, 2026 · CSLB's record
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The license is active with no suspension on record, though classifications, bonds and secondary flags still deserve a look.
License details
- License number
- 1047483
- Primary status
- CLEAR · what this means
- Business type
- Corporation
- Issued
- December 4, 2018 (7 years)
- Expires
- November 30, 2027
- Inactivated
- October 4, 2019
- Reactivated
- November 6, 2019
- Classifications
- B General Building Contractor
C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor
C-43 Sheet Metal Contractor - Mailing address
- 1630 E Francis St Ste A, Ontario, CA, 91761
- Phone
- (909) 713-6644
Workers' compensation
- Type
- Workers' Compensation Insurance
- Insurer
- Norguard Insurance Company
- Policy number
- DIWC719414
- Effective
- September 5, 2026
- Expires
- September 5, 2027
Confirm coverage with CSLB's insurer search. How to check workers' comp.
Contractor's bond
- Surety
- Business Alliance Insurance Company
- Bond number
- G100923176001
- Amount
- $25,000
- Effective
- January 1, 2023
- Cancelled
- November 18, 2026
Bond of qualifying individual
CSLB's public file lists no qualifier bond for this license. One isn't required when the qualifier owns at least 10% of the business, and some qualifier bonds appear only on CSLB's record.
Status history
No changes recorded since we began tracking this license on November 1, 2026. We compare every weekly CSLB file and log changes to status, bonds, workers' comp and classifications here.
Related
- Licensed general contractors in Ontario
- Licensed HVAC contractors in Ontario
- Licensed contractors in Ontario
- Contractors in San Bernardino County
- What "CLEAR" means
- How to check a contractor license
Data: CSLB Public Data Portal, file dated November 1, 2026. Status can change at any time. Verify on CSLB's Instant License Check. This site is not a consumer reporting agency under the FCRA; don't use it for employment, credit, insurance or housing decisions about an individual.