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Duct Cleaning Services INC: CSLB License #946780
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
- 946780
- Primary status
- CLEAR · what this means
- Business type
- Corporation
- Issued
- May 5, 2010 (16 years)
- Expires
- September 30, 2027
- Inactivated
- June 1, 2012
- Reactivated
- September 11, 2013
- Classifications
- C-61/D-64 Non-specialized
- Mailing address
- 947 Shoal Dr, San Mateo, CA, 94404
- Phone
- (888) 859-3828
Workers' compensation
- Type
- Exempt
- Effective
- August 14, 2025
Confirm coverage with CSLB's insurer search. How to check workers' comp.
Contractor's bond
- Surety
- Atlantic Specialty Insurance Company
- Bond number
- 800234211
- Amount
- $25,000
- Effective
- March 26, 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.
Disciplinary bond
- Surety
- Philadelphia Indemnity Insurance Company
- Bond number
- PB03138601804
- Amount
- $15,000
- Effective
- September 11, 2013
- Cancelled
- September 22, 2016
- Case number
- 2011000220
- Reason
- Conditional
- Region
- N
A disciplinary bond is required after some CSLB disciplinary actions. What it means.
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 limited specialty contractors in San Mateo
- Licensed contractors in San Mateo
- Contractors in San Mateo 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.