California contractor license
JOHN DU
- B General Building
- C46 Solar
JOHN DU is a B General Building and C46 Solar contractor in Hacienda Heights, licensed in California for 4 years (since 2022). As of Oct 22, 2026, the license is active with an expiration date of Sep 30, 2028 on record and a license bond is on file.
JOHN DUB General Building · C46 Solar · checked Oct 22, 2026
ActiveLicense number#1096412
Licensed sinceSep 12, 2022
Years licensed4 years
Expiration on recordSep 30, 2028
City and countyHacienda Heights
License bondOn file
ProjectsNone on file
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Source: California Contractors State License Board (CSLB) and City of Los Angeles permit records. Last updated Oct 22, 2026.