C-4 Boiler, hot water heating and steam fitting contractors in California

Boilers, steam and hot-water heating systems and their piping. California has 710 licenses with this classification on file, 688 of them active and 22 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.

San Francisco 43San Jose 16Santa Rosa 15Los Angeles 15San Diego 14Sacramento 12Fresno 12El Cajon 10Bakersfield 9Santa Clara 8Hayward 8Truckee 7San Rafael 7Redwood City 7Petaluma 7Oakland 7Concord 7Livermore 6Cypress 6Anaheim 6Vallejo 5Stockton 5South San Francisco 5Santa Barbara 5San Leandro 5Redding 5Pasadena 5Oakdale 5Berkeley 5Antioch 5Whittier 4Watsonville 4Torrance 4Simi Valley 4Santa Ana 4Rocklin 4Oceanside 4Eureka 4Campbell 4Alameda 4Vacaville 3Ukiah 3Taft 3Sonoma 3San Mateo 3Salinas 3Roseville 3Richmond 3Poway 3Placentia 3Paramount 3North Hollywood 3Murrieta 3Modesto 3Mira Loma 3Mc Clellan 3Lake Elsinore 3Huntington Beach 3Healdsburg 3Garden Grove 3Fullerton 3Fremont 3Fairfield 3El Dorado Hills 3Downey 3City of Industry 3Carpinteria 3Carmel 3Brisbane 3Benicia 3

Recently suspended

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