RONLOD DOORS LOCKS & SECURITY operating as a sole owner is licensed in California under CSLB number 898637. The license was first issued in 2007, putting the business at 19 years on the active CSLB roster. It carries a single CSLB classification: C-28 — Lock and Security Equipment Contractor. Records show an active surety bond on file with HUDSON INSURANCE COMPANY and an exempt workers' compensation status (no employees on payroll). The business is based in BRENTWOOD, in Contra Costa County, California.