Koenig Drilling, C-57 Well Drilling Contractor in Cotati, CA
Koenig Drilling operating as a sole owner holds an active California contractor license (CSLB #1038648), valid through Apr 30, 2028. First issued in 2018, the license has been on the CSLB roster for 8 years. It carries a single CSLB classification: C-57 — Well Drilling 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 Cotati, in Sonoma County, California.
- License Number
- 1038648
- Issued
- Apr 27, 2018
- Status
- CLEAR
- Expires
- Apr 30, 2028
- Entity
- Sole Owner
- Surety
- Atlantic Specialty Insurance Company
- Bond Number
- 800246120
- Effective
- Apr 22, 2026
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Apr 13, 2026
- 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 Koenig Drilling licensed in California?
Yes. Koenig Drilling holds California Contractors State License Board license number 1038648, which is active and in good standing. The license was first issued on April 27, 2018. It is valid through April 30, 2028.
What does Koenig Drilling specialize in?
Koenig Drilling is licensed for one CSLB classification: C-57 Well Drilling Contractor.
Where is Koenig Drilling headquartered?
Koenig Drilling is headquartered at 102 Veronda Ave, Cotati, CA 94931, in Sonoma County, California.
Does Koenig Drilling have an active surety bond on file with CSLB?
Yes. Koenig Drilling has an active California contractor surety bond filed with Atlantic Specialty Insurance Company.
Does Koenig Drilling carry workers' compensation coverage?
Koenig Drilling reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Koenig Drilling's contractor license?
You can verify Koenig Drilling's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1038648.
- License issuedApr 27, 2018
- WC coverage startsApr 13, 2026
- Bond activeApr 22, 2026
- License expiresApr 30, 2028
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