ADU CITIES Contractor Directory

Byun Chang Up

● Active — license status verified against CSLB public data as of November 6, 2026

☎ Call (714) 728-8115Verify this license at CSLB
CSLB license#1006421
ClassificationsB — General Building
Office of record1238 Lenahan St
Fullerton, CA 92833
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(714) 728-8115
Contractor bond$25,000 — Merchants Bonding Company (mutual)
Workers' comp (CSLB record)Exempt
Business typeSole Owner
License issuedAugust 14, 2015
License expiresAugust 31, 2027

Is this your business? Claim this listing to enhance it with your website, photos, and project details.

Data source: CSLB public records as of November 6, 2026. License status can change at any time — verify live at CSLB before signing a contract.