Public CSLB records

Diamond Well Drilling Company INC, A General Engineering Contractor in Auburn, CA

License #970862·Corporation·Auburn, Placer County
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Summary

Diamond Well Drilling Company INC operating as a corporation holds an active California contractor license (CSLB #970862), valid through Mar 31, 2028. First issued in 2012, the license has been on the CSLB roster for 14 years. It carries 5 CSLB classifications: A General Engineering Contractor, C-36 Plumbing Contractor, C-55 Water Conditioning Contractor, C-57 Well Drilling Contractor, and C-61/D-21 Machinery and Pumps Contractor. Records show an active surety bond on file with Western Surety Company and active workers' compensation coverage from Amtrust Insurance Company. The business is based in Auburn, in Placer County, California.

Business Information
Address
1660 Old Airport Road
Auburn, CA 95602
License Details & Classifications
Financial & Insurance Coverage
Contractor Bond
Surety
Western Surety Company
Bond Number
67264436
Effective
Mar 2, 2025
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Amtrust Insurance Company
Policy Number
KWC1425021
Effective
Jan 1, 2026
Expires
Jan 1, 2027
Verified

This contractor is verified, with no adverse conditions in the current CSLB record.

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 Diamond Well Drilling Company INC licensed in California?

Yes. Diamond Well Drilling Company INC holds California Contractors State License Board license number 970862, which is active and in good standing. The license was first issued on March 14, 2012. It is valid through March 31, 2028.

What does Diamond Well Drilling Company INC specialize in?

Diamond Well Drilling Company INC is licensed for 5 CSLB classifications: A General Engineering Contractor, C-36 Plumbing Contractor, C-55 Water Conditioning Contractor, C-57 Well Drilling Contractor, and C-61/D-21 Machinery and Pumps Contractor.

Where is Diamond Well Drilling Company INC headquartered?

Diamond Well Drilling Company INC is headquartered at 1660 Old Airport Road, Auburn, CA 95602, in Placer County, California.

Does Diamond Well Drilling Company INC have an active surety bond on file with CSLB?

Yes. Diamond Well Drilling Company INC has an active California contractor surety bond filed with Western Surety Company.

Does Diamond Well Drilling Company INC carry workers' compensation coverage?

Yes. Diamond Well Drilling Company INC carries active workers' compensation coverage through Amtrust Insurance Company.

How do I verify Diamond Well Drilling Company INC's contractor license?

You can verify Diamond Well Drilling Company INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=970862.

Activity Timeline
  1. License issuedMar 14, 2012
  2. Bond activeMar 2, 2025
  3. WC coverage startsJan 1, 2026
  4. WC expiresJan 1, 2027
  5. License expiresMar 31, 2028
Other contractors in Placer County
California lien & payment resources

Working a California job with Diamond Well Drilling Company INC, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.

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