Madderra Jeff Construction, B General Building Contractor in Copperopolis, CA
Madderra Jeff Construction operating as a sole owner holds California contractor license #813623, which is currently expired (lapsed Sep 30, 2026) and not valid to contract until it is renewed. First issued in 2002, the license has been on the CSLB roster for 24 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Atlantic Specialty Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in Copperopolis, in Calaveras County, California.
- License Number
- 813623
- Issued
- Oct 11, 2002
- Status
- CLEAR
- Expires
- Sep 30, 2026
- Entity
- Sole Owner
- Surety
- Atlantic Specialty Insurance Company
- Bond Number
- 800210635
- Effective
- Sep 15, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Sep 10, 2025
- Expires
- —
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 Madderra Jeff Construction licensed in California?
Madderra Jeff Construction previously held California Contractors State License Board license number 813623, but the license expired on September 30, 2026 and is not currently valid. It was first issued on October 11, 2002.
What does Madderra Jeff Construction specialize in?
Madderra Jeff Construction is licensed for one CSLB classification: B General Building Contractor.
Where is Madderra Jeff Construction headquartered?
Madderra Jeff Construction is headquartered at 971 Feather Dr,box 74, Copperopolis, CA 95228, in Calaveras County, California.
Does Madderra Jeff Construction have an active surety bond on file with CSLB?
Yes. Madderra Jeff Construction has an active California contractor surety bond filed with Atlantic Specialty Insurance Company.
Does Madderra Jeff Construction carry workers' compensation coverage?
Madderra Jeff Construction reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Madderra Jeff Construction's contractor license?
You can verify Madderra Jeff Construction's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=813623.
- License issuedOct 11, 2002
- WC coverage startsSep 10, 2025
- Bond activeSep 15, 2025
- License expiredSep 30, 2026
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