YOON JONG - DO operating as a sole owner is licensed in California under CSLB number 963545. The license was first issued in 2011, putting the business at 15 years on the active CSLB roster. It carries a single CSLB classification: C-10 — Electrical 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 CUPERTINO, in Santa Clara County, California.