Contractor License Proof

Jeff Madderra Construction

Licensed

Verified against CSLB on · View on CSLB

License details

License number
813623
Status
Active
Classifications
B · General Building
Contractor bond
$25,000
Workers' comp
ExemptNo employees — not a red flag.
License term on file
October 11, 2002 – September 30, 2026

Business

  • (916) 488 4800 (CSLB public record)
  • 971 FEATHER DRBOX 74, Copperopolis, CA 95228Calaveras County

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Frequently asked questions

Is Jeff Madderra Construction licensed in California?

Yes. Jeff Madderra Construction holds an active California state contractor license (CSLB #813623), verified against the CSLB public record on August 4, 2026.

What is Jeff Madderra Construction's CSLB license number?

Jeff Madderra Construction's California contractor license number is 813623. Look that number up with the CSLB "Check a License" tool to confirm its current status against the public record yourself.

What kind of work is Jeff Madderra Construction licensed for?

Jeff Madderra Construction is classified under General Building (B) by the CSLB.

How do I verify Jeff Madderra Construction's license myself?

Look up license #813623 with the CSLB "Check a License" tool and compare the status, bond, and workers' compensation details against what's shown on this page. This page reflects the CSLB public record as of August 4, 2026.

Verify it yourself: How to verify a California contractor license · Look up #813623 on CSLB

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See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.