CASTILLO JULIO ANTONIO operating as a sole owner is licensed in California under CSLB number 844311. The license was first issued in 2004, putting the business at 22 years on the active CSLB roster. It carries 2 CSLB classifications: C-10 Electrical Contractor and C-20 HVAC Contractor. Records show an active surety bond on file with WESTERN SURETY COMPANY and active workers' compensation coverage from CLEAR SPRING PROPERTY AND CASUALTY COMPANY. The business is based in ONTARIO, in San Bernardino County, California.