Contractor · Fullerton, Orange County
Chang UP Byun
California contractor license · licensed since 2015 (11 years).
✓ Status CLEAR✓ Checked Oct 27, 2026✓ Facts from CSLB License Master
About this record
This page shows what the Contractors State License Board publishes in the License Master about license #1006421. Classifications: B · General Building. Phone is from the CSLB file. We do not recommend or refer. Status can change after our check date; the official CSLB Instant License Check is the source of truth.
More contractors in Fullerton
All contractors →Contractor · FullertonCartageLic. #1026188C6, C54Since 2017(714) 213 3310CLEAR · checked Oct 27, 2026Contractor · FullertonCAS Communications INCLic. #1009894C7Since 2015(562) 805 6678CLEAR · checked Oct 27, 2026Contractor · FullertonCastillo FaustoLic. #1050029BSince 2019(714) 394 3341CLEAR · checked Oct 27, 2026Contractor · FullertonCMR Industrial PaintingLic. #1057167C33Since 2019(714) 457 7864CLEAR · checked Oct 27, 2026Contractor · FullertonCoastline PaversLic. #1061173D06Since 2019(714) 914 1160CLEAR · checked Oct 27, 2026Contractor · FullertonColin'S Custom Painting AND Decoration INCLic. #1035867C33Since 2018(714) 797 4628CLEAR · checked Oct 27, 2026