Duct Cleaning Services INC, C-61/D-64 Non-specialized Contractor in San Mateo, CA
Duct Cleaning Services INC operating as a corporation holds an active California contractor license (CSLB #946780), valid through Sep 30, 2027. First issued in 2010, the license has been on the CSLB roster for 16 years. It carries a single CSLB classification: C-61/D-64 — Non-specialized Contractor. Records show an active surety bond on file with Atlantic Specialty Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in San Mateo, in San Mateo County, California.
- License Number
- 946780
- Issued
- May 5, 2010
- Status
- CLEAR
- Expires
- Sep 30, 2027
- Entity
- Corporation
- Surety
- Atlantic Specialty Insurance Company
- Bond Number
- 800234211
- Effective
- Mar 26, 2026
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Aug 14, 2025
- Expires
- —
This contractor warrants a closer look before contracting:
- Workers' comp listed as exempt
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Duct Cleaning Services INC licensed in California?
Yes. Duct Cleaning Services INC holds California Contractors State License Board license number 946780, which is active and in good standing. The license was first issued on May 5, 2010. It is valid through September 30, 2027.
What does Duct Cleaning Services INC specialize in?
Duct Cleaning Services INC is licensed for one CSLB classification: C-61/D-64 Non-specialized Contractor.
Where is Duct Cleaning Services INC headquartered?
Duct Cleaning Services INC is headquartered at 947 Shoal Dr, San Mateo, CA 94404, in San Mateo County, California.
Does Duct Cleaning Services INC have an active surety bond on file with CSLB?
Yes. Duct Cleaning Services INC has an active California contractor surety bond filed with Atlantic Specialty Insurance Company.
Does Duct Cleaning Services INC carry workers' compensation coverage?
Duct Cleaning Services INC reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Duct Cleaning Services INC's contractor license?
You can verify Duct Cleaning Services INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=946780.
- License issuedMay 5, 2010
- WC coverage startsAug 14, 2025
- Bond activeMar 26, 2026
- License expiresSep 30, 2027
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