Diablo Excavation & Construction, A General Engineering Contractor in Discovery Bay, CA
Diablo Excavation & Construction operating as a corporation holds an active California contractor license (CSLB #1110240), valid through Sep 30, 2027. First issued in 2023, the license has been on the CSLB roster for 3 years. It carries 2 CSLB classifications: A General Engineering Contractor and B General Building Contractor. Records show an active surety bond on file with Merchants Bonding Company (mutual) and a previously-filed workers' compensation policy with National Liability and Fire Insurance Company that is no longer active. The business is based in Discovery Bay, in Contra Costa County, California.
- License Number
- 1110240
- Issued
- Sep 19, 2023
- Status
- CLEAR
- Expires
- Sep 30, 2027
- Entity
- Corporation
- Surety
- Merchants Bonding Company (mutual)
- Bond Number
- 101595643
- Effective
- Aug 4, 2025
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- National Liability and Fire Insurance Company
- Policy Number
- N9WC631666
- Effective
- Apr 24, 2025
- Expires
- Apr 24, 2026
This contractor has a compliance issue in its public CSLB record:
- No active workers' comp on file
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Diablo Excavation & Construction licensed in California?
Yes. Diablo Excavation & Construction holds California Contractors State License Board license number 1110240, which is active and in good standing. The license was first issued on September 19, 2023. It is valid through September 30, 2027.
What does Diablo Excavation & Construction specialize in?
Diablo Excavation & Construction is licensed for 2 CSLB classifications: A General Engineering Contractor and B General Building Contractor.
Where is Diablo Excavation & Construction headquartered?
Diablo Excavation & Construction is headquartered at 1795 Surfside Court, Discovery Bay, CA 94505, in Contra Costa County, California.
Does Diablo Excavation & Construction have an active surety bond on file with CSLB?
Yes. Diablo Excavation & Construction has an active California contractor surety bond filed with Merchants Bonding Company (mutual).
Does Diablo Excavation & Construction carry workers' compensation coverage?
Diablo Excavation & Construction has a previously-filed workers' compensation policy with National Liability and Fire Insurance Company that is no longer active.
How do I verify Diablo Excavation & Construction's contractor license?
You can verify Diablo Excavation & Construction's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1110240.
- License issuedSep 19, 2023
- WC coverage startsApr 24, 2025
- Bond activeAug 4, 2025
- WC expiredApr 24, 2026
- License expiresSep 30, 2027
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