Coastline Drilling LLC, A General Engineering Contractor in Penngrove, CA
Coastline Drilling LLC operating as a limited liability holds an active California contractor license (CSLB #904555), valid through Jan 31, 2027. First issued in 2007, the license has been on the CSLB roster for 19 years. It carries a single CSLB classification: A — General Engineering Contractor. Records show an active surety bond on file with Merchants Bonding Company (mutual) and an exempt workers' compensation status (no employees on payroll). The business is based in Penngrove, in Sonoma County, California.
- License Number
- 904555
- Issued
- Oct 9, 2007
- Status
- CLEAR
- Expires
- Jan 31, 2027
- Entity
- Limited Liability
- Surety
- Merchants Bonding Company (mutual)
- Bond Number
- 100403765
- Effective
- Apr 4, 2024
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Jul 18, 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 Coastline Drilling LLC licensed in California?
Yes. Coastline Drilling LLC holds California Contractors State License Board license number 904555, which is active and in good standing. The license was first issued on October 9, 2007. It is valid through January 31, 2027.
What does Coastline Drilling LLC specialize in?
Coastline Drilling LLC is licensed for one CSLB classification: A General Engineering Contractor.
Where is Coastline Drilling LLC headquartered?
Coastline Drilling LLC is headquartered at P O Box 338, Penngrove, CA 94951, in Sonoma County, California.
Does Coastline Drilling LLC have an active surety bond on file with CSLB?
Yes. Coastline Drilling LLC has an active California contractor surety bond filed with Merchants Bonding Company (mutual).
Does Coastline Drilling LLC carry workers' compensation coverage?
Coastline Drilling LLC reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Coastline Drilling LLC's contractor license?
You can verify Coastline Drilling LLC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=904555.
- License issuedOct 9, 2007
- Bond activeApr 4, 2024
- WC coverage startsJul 18, 2025
- License expiresJan 31, 2027
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