PREFERRED PLUMBING & DRAIN operating as a corporation is licensed in California under CSLB number 848878. The license was first issued in 2004, putting the business at 22 years on the active CSLB roster. It carries 2 CSLB classifications: A General Engineering Contractor and C-36 Plumbing Contractor. Records show an active surety bond on file with MERCHANTS BONDING COMPANY (MUTUAL) and active workers' compensation coverage from EMPLOYERS ASSURANCE COMPANY. The business is based in CONCORD, in Contra Costa County, California.