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Coastline Drilling LLC

License #904555·Limited Liability·Penngrove, Sonoma County
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Summary

Coastline Drilling LLC operating as a limited liability is licensed in California under CSLB number 904555. The license was first issued in 2007, putting the business at 19 years on the active CSLB roster. 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.

Business Information
Address
P O Box 338
Penngrove, CA 94951
License Details & Classifications
License Number
904555
Issued
Oct 9, 2007
Status
CLEAR
Expires
Jan 31, 2027
Entity
Limited Liability
Financial & Insurance Coverage
Contractor Bond
Surety
Merchants Bonding Company (mutual)
Bond Number
100403765
Effective
Apr 4, 2024
Status
Active
Workers' Compensation
Coverage
Exempt
Carrier
—
Policy Number
—
Effective
Jul 18, 2025
Expires
—
Review

This contractor warrants a closer look before contracting:

  • Workers' comp listed as exempt
License StatusActive
Contractor BondOn file
Workers' CompensationActive

An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this

Frequently asked questions
Is Coastline Drilling LLC licensed in California?

Yes. Coastline Drilling LLC holds California Contractors State License Board license number 904555. 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.

Activity Timeline
  1. License issuedOct 9, 2007
  2. Bond activeApr 4, 2024
  3. WC coverage startsJul 18, 2025
  4. License expiresJan 31, 2027
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