C-55 Water conditioning contractors in California

Water softeners, filters and other water-treatment equipment. California has 313 licenses with this classification on file, 299 of them active and 14 suspended.

By city

Cities with at least 3 active licenses, by the address on file with the state. Contractors often work well beyond their home city.

Santa Rosa 9Fresno 9Bakersfield 9San Diego 8San Jose 5Salinas 5Ventura 4Santa Maria 4Santa Barbara 4Santa Ana 4Oxnard 4Livermore 4Costa Mesa 4Valencia 3Vacaville 3Simi Valley 3San Rafael 3Los Banos 3Lake Elsinore 3Irvine 3El Cajon 3Chino 3Brentwood 3Auburn 3

Recently suspended

Licenses with this classification that the state's file shows as suspended, most recently updated first.