Clean Air Testing INC, C-61/D-40 Service Station Equipment and Maintenance Contractor in Glendora, CA
Clean Air Testing INC operating as a corporation holds an active California contractor license (CSLB #474291), valid through Jul 31, 2027. First issued in 1985, the license has been on the CSLB roster for 41 years. It carries a single CSLB classification: C-61/D-40 — Service Station Equipment and Maintenance Contractor. Records show an active surety bond on file with Atlantic Specialty Insurance Company and active workers' compensation coverage from Sequoia Insurance Company. The business is based in Glendora, in Los Angeles County, California.
- License Number
- 474291
- Issued
- May 29, 1985
- Status
- CLEAR
- Expires
- Jul 31, 2027
- Entity
- Corporation
- Surety
- Atlantic Specialty Insurance Company
- Bond Number
- 800250019
- Effective
- Apr 25, 2026
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Sequoia Insurance Company
- Policy Number
- TWC4756034
- Effective
- Mar 1, 2026
- Expires
- Mar 1, 2027
This contractor is verified, with no adverse conditions in the current CSLB record.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Clean Air Testing INC licensed in California?
Yes. Clean Air Testing INC holds California Contractors State License Board license number 474291, which is active and in good standing. The license was first issued on May 29, 1985. It is valid through July 31, 2027.
What does Clean Air Testing INC specialize in?
Clean Air Testing INC is licensed for one CSLB classification: C-61/D-40 Service Station Equipment and Maintenance Contractor.
Where is Clean Air Testing INC headquartered?
Clean Air Testing INC is headquartered at P O Box 2165, Glendora, CA 91740, in Los Angeles County, California.
Does Clean Air Testing INC have an active surety bond on file with CSLB?
Yes. Clean Air Testing INC has an active California contractor surety bond filed with Atlantic Specialty Insurance Company.
Does Clean Air Testing INC carry workers' compensation coverage?
Yes. Clean Air Testing INC carries active workers' compensation coverage through Sequoia Insurance Company.
How do I verify Clean Air Testing INC's contractor license?
You can verify Clean Air Testing INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=474291.
- License issuedMay 29, 1985
- WC coverage startsMar 1, 2026
- Bond activeApr 25, 2026
- WC expiresMar 1, 2027
- License expiresJul 31, 2027
- Instrument Personnel Incorporated#437013Artesia·A General Engineering Contractor
- Moine Charles#343468Wilmington·C-21 Building Moving / Demolition Contractor
- Thomas Charles E Company INC#302015Gardena·A General Engineering Contractor
- Petro-Builders INC#241905Santa Fe Springs·A General Engineering Contractor
- Petroleum Equipment Construction Services INC#534793Lancaster·C-61/D-40 Service Station Equipment and Maintenance Contractor
- Howard Contracting INC#466400Hawaiian Gardens·A General Engineering Contractor
- Masters Contracting Corporation#466409Glendale·A General Engineering Contractor
- Goldsmith Construction Company INC#461386Signal Hill·A General Engineering Contractor
Working a California job with Clean Air Testing INC, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.
- California preliminary notice deadline calculatorFind your 20-day deadline and the lien rights at risk.
- Do I need a preliminary notice in California?Answer a few questions to see if the 20-day notice applies.
- Did I lose my California lien rights?Check whether your mechanics lien window has passed.
- Unpaid construction invoice in CaliforniaYour options and deadlines for collecting on a California job.
Own Clean Air Testing INC? Claim or correct this profile