| Caisse Construction | Eric Benjamin Caisse | — | (831) 247 6111 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Cal Bear Painting | Cal Bear Painting | — | (831) 247 0664 | Windows, patio, painters | Santa Cruz · Santa Cruz County | — | — |
| Cal Coast Roofing | Nada Ann Radonich | janae@calcoastroofing.co | (831) 845 7818 | Other roofers | Corralitos · Santa Cruz County | — | — |
| Cal Duct Cleaning | Cal Duct Cleaning | commercial.sales@calductcleaning.com | (707) 701 1531 | Other | Scotts Valley · Santa Cruz County | — | — |
| Cal-built Construction | John Allen Stevison | — | (831) 601 8388 | GC, remodel, ADU | La Selva Beach · Santa Cruz County | — | — |
| Calcon | John Patrick Mc Alpine | connect@calcon.com | (925) 277-0665 | GC, remodel, ADU | Watsonville · Santa Cruz County | — | — |
| Caledonia Construction | Anthony Frederick Seward | — | (831) 430 6959 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| California Coast Construction Pros | De La Torre Abel | — | (831) 319 1140 | GC, remodel, ADU | Freedom · Santa Cruz County | — | — |
| California Custom Painting And Design | California Custom Painting And Design | — | (408) 561 3447 | GC, remodel, ADU | Boulder Creek · Santa Cruz County | — | — |
| California Dream Builder | Marc Remington Macdonald | — | (888) 572 1912 | GC, remodel, ADU | Boulder Creek · Santa Cruz County | — | — |
| California Geotech | California Geotech | cveni.cgts@gmail.com | (831) 634 1964 | Other | Santa Cruz · Santa Cruz County | — | — |
| California Homes Realty INC | Dana Montgomery Caudle | — | (831) 464 1671 | GC, remodel, ADU | Capitola · Santa Cruz County | — | — |
| California Radiant | James Scott Duncan | — | (831) 476-5200 | Other | Santa Cruz · Santa Cruz County | — | — |
| California Remodels | Scott Clyde Adams | — | (408) 712 7394 | GC, remodel, ADU | Freedom · Santa Cruz County | — | — |
| California Restoration Team | California Restoration Team | — | (760) 458-6509 | Restoration | Vista · Santa Cruz County | — | — |
| Callisto Marble & Granite | Callisto Marble & Granite | — | (831) 840 1831 | Other | Watsonville · Santa Cruz County | — | — |
| Calypso Construction | Scott Larry Feldbrugge | — | (831) 251 0584 | GC, remodel, ADU | Aptos · Santa Cruz County | — | — |
| Camarlinghi Tile And Marble INC | Marc Richard Camarlinghi | — | (831) 464 2008 | Other | Soquel · Santa Cruz County | — | — |
| Cambra Construction | Mark Anthony Cambra | — | (408) 483 5589 | GC, remodel, ADU | Scotts Valley · Santa Cruz County | — | — |
| Camille O'connor Design | Camille O'connor Design | — | (831) 251 4180 | GC, remodel, ADU | Aptos · Santa Cruz County | — | — |
| Campbell Landscape | Tarverdi Sam | info@campbell-landscape.com | (408) 497 8600 | GC, remodel, ADU | Aptos · Santa Cruz County | — | — |
| Can Do Plumbing | Can Do Plumbing | — | (831) 460 1320 | Other | Santa Cruz · Santa Cruz County | — | — |
| Canchola Landscaping | Canchola Landscaping | — | (831) 428 5170 | Windows, patio, painters | Santa Cruz · Santa Cruz County | — | — |
| Cano Construction | Cano Andrew | — | (831) 254 0572 | GC, remodel, ADU | Freedom · Santa Cruz County | — | — |
| Canter Construction INC | Sean Patrick Canter | — | (831) 888 6541 | Electricians | Santa Cruz · Santa Cruz County | — | — |
| Canvasback Construction | Cary Lee Carralez | — | (925) 207 2112 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Capitola Builders Incorporated | David Wesley Mckinnon | — | (831) 359 6695 | GC, remodel, ADU | Capitola · Santa Cruz County | — | — |
| Capitola Construction Co | Christopher Anthony Conners | — | (415) 533 7628 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Capitola Pump Company INC | Charles Victor Iii Grabeel | — | (831) 475 5364 | Other | Capitola · Santa Cruz County | — | — |
| Cardiff Pest Control INC | Cardiff Pest Control INC | — | (831) 475-4214 | Pest, tile roofs | Santa Cruz · Santa Cruz County | — | — |
| Cardinal Construction | Melanie Anne| Wamsher Melanie Anna Dion | cardinal.mel@gmail.com | (831) 476 4144 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Cardona Concrete | Cardona Concrete | — | (831) 713 0087 | Other | Soquel · Santa Cruz County | — | — |
| Carpet King | Carpet King | — | (831) 476 4849 | Other | Aptos · Santa Cruz County | — | — |
| Carrington Stone Masons INC | Jesse Michael Carrington | — | (831) 840 1979 | Other | Watsonville · Santa Cruz County | — | — |
| Carroll & Strong Builders INC | Randall Cory Strong | — | (831) 728 4150 | GC, remodel, ADU | Watsonville · Santa Cruz County | — | — |
| Carvalho Construction LLC | Victor Avis Carvalho | — | (831) 750 8956 | GC, remodel, ADU | Watsonville · Santa Cruz County | — | — |
| Cary Gandrup | Cary Gandrup | — | (831) 724 4234 | Other | Watsonville · Santa Cruz County | — | — |
| Casey Litton Landscaping | Casey Litton Landscaping | — | (650) 307 4874 | Windows, patio, painters | Capitola · Santa Cruz County | — | — |
| Caspers Construction | William Colin Caspers | — | (831) 428 3005 | GC, remodel, ADU | Santa Cruz · Santa Cruz County | — | — |
| Cassar Construction | Robert Michael Cassar | dave@cassarconstruction.com | (408) 205 4474 | GC, remodel, ADU | Felton · Santa Cruz County | — | — |