Cotsis John William, C-10 Electrical Contractor in Palmdale, CA
Cotsis John William operating as a sole owner holds an active California contractor license (CSLB #579825), valid through Oct 31, 2027. First issued in 1989, the license has been on the CSLB roster for 37 years. It carries a single CSLB classification: C-10 — Electrical Contractor. Records show an active surety bond on file with Western Surety Company and an exempt workers' compensation status (no employees on payroll). The business is based in Palmdale, in Los Angeles County, California.
- License Number
- 579825
- Issued
- Oct 25, 1989
- Status
- CLEAR
- Expires
- Oct 31, 2027
- Entity
- Sole Owner
- Surety
- Western Surety Company
- Bond Number
- 66675911
- Effective
- Jun 24, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Oct 17, 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 Cotsis John William licensed in California?
Yes. Cotsis John William holds California Contractors State License Board license number 579825, which is active and in good standing. The license was first issued on October 25, 1989. It is valid through October 31, 2027.
What does Cotsis John William specialize in?
Cotsis John William is licensed for one CSLB classification: C-10 Electrical Contractor.
Where is Cotsis John William headquartered?
Cotsis John William is headquartered at 41447 Bristlecone Drive, Palmdale, CA 93551, in Los Angeles County, California.
Does Cotsis John William have an active surety bond on file with CSLB?
Yes. Cotsis John William has an active California contractor surety bond filed with Western Surety Company.
Does Cotsis John William carry workers' compensation coverage?
Cotsis John William reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Cotsis John William's contractor license?
You can verify Cotsis John William's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=579825.
- License issuedOct 25, 1989
- Bond activeJun 24, 2023
- WC coverage startsOct 17, 2025
- License expiresOct 31, 2027
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