CALIFORNIA WATER SYSTEMS operating as a sole owner is licensed in California under CSLB number 765541. The license was first issued in 1999, putting the business at 27 years on the active CSLB roster. It carries a single CSLB classification: C-55 — Water Conditioning Contractor. Records show an active surety bond on file with HUDSON INSURANCE COMPANY and active workers' compensation coverage from HARTFORD UNDERWRITERS INSURANCE COMPANY. The business is based in SAN MATEO, in San Mateo County, California.