CASTILLO OSCAR R INSTALLATION operating as a sole owner is licensed in California under CSLB number 959071. 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-15 — Flooring and Floor Covering Contractor. Records show a previously-filed surety bond from MERCHANTS BONDING COMPANY (MUTUAL) that is no longer active and an exempt workers' compensation status (no employees on payroll). The business is based in PALMDALE, in Los Angeles County, California.