C4 Construction and Engineering INC, A General Engineering Contractor in Copperopolis, CA
C4 Construction and Engineering INC operating as a corporation holds California contractor license #1066412, which is currently expired (lapsed Jun 30, 2026) and not valid to contract until it is renewed. First issued in 2020, the license has been on the CSLB roster for 6 years. It carries 3 CSLB classifications: A General Engineering Contractor, B General Building Contractor, and C-10 Electrical Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and active workers' compensation coverage from Everest Premier Insurance Company. The business is based in Copperopolis, in Calaveras County, California.
- License Number
- 1066412
- Issued
- Jun 22, 2020
- Status
- CLEAR
- Expires
- Jun 30, 2026
- Entity
- Corporation
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100796425
- Effective
- Aug 30, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Everest Premier Insurance Company
- Policy Number
- 7600027661251
- Effective
- Dec 19, 2025
- Expires
- Dec 19, 2026
This contractor has a compliance issue in its public CSLB record:
- License expired
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is C4 Construction and Engineering INC licensed in California?
C4 Construction and Engineering INC previously held California Contractors State License Board license number 1066412, but the license expired on June 30, 2026 and is not currently valid. It was first issued on June 22, 2020.
What does C4 Construction and Engineering INC specialize in?
C4 Construction and Engineering INC is licensed for 3 CSLB classifications: A General Engineering Contractor, B General Building Contractor, and C-10 Electrical Contractor.
Where is C4 Construction and Engineering INC headquartered?
C4 Construction and Engineering INC is headquartered at Po Box 177, Copperopolis, CA 95228, in Calaveras County, California.
Does C4 Construction and Engineering INC have an active surety bond on file with CSLB?
Yes. C4 Construction and Engineering INC has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does C4 Construction and Engineering INC carry workers' compensation coverage?
Yes. C4 Construction and Engineering INC carries active workers' compensation coverage through Everest Premier Insurance Company.
How do I verify C4 Construction and Engineering INC's contractor license?
You can verify C4 Construction and Engineering INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1066412.
- License issuedJun 22, 2020
- Bond activeAug 30, 2023
- WC coverage startsDec 19, 2025
- License expiredJun 30, 2026
- WC expiresDec 19, 2026
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