| Creative Tile Worx | Creative Tile Worx | — | (805) 240 6445 | Other | Santa Paula · Ventura County | — | — |
| Creico Electric INC | Christopher Dean Creighton | creicoelectric@gmail.com | (805) 830 3779 | Electricians | Ventura · Ventura County | — | — |
| Crescent Remodeling | Crescent Remodeling | — | (805) 302 3388 | GC, remodel, ADU | Oak View · Ventura County | — | — |
| Crestline Building Services | Timothy Raymond Webb | — | (805) 795 7406 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Crestway Painters & HVAC Solutions | Crestway Painters & HVAC Solutions | — | (805) 669-4730 | HVAC | Ventura · Ventura County | — | — |
| Cri Concrete Constructors | Cri Concrete Constructors | — | (805) 432 8612 | Other | Somis · Ventura County | — | — |
| Crowder Backflow Services INC | Shaun Nicholas Klennert | — | (805) 639 0123 | Other | Ventura · Ventura County | — | — |
| Crowe Mechanical LLC | Thomas Keith Crowe | — | (661) 678 3988 | HVAC | Simi Valley · Ventura County | — | — |
| Crowley Construction LLC | Casey Ray Crowley | — | (805) 797 5246 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Crowne Roofing | Jesus Agustin Sanchez | — | (818) 577 3725 | Other roofers | Simi Valley · Ventura County | — | — |
| Crowned Painting | Crowned Painting | — | (805) 616 3638 | Windows, patio, painters | Oak View · Ventura County | — | — |
| Crs Plumbing INC | Robert Dan Sneed | — | (805) 849 9221 | Other | Thousand Oaks · Ventura County | — | — |
| Cruz Concrete | Cruz Concrete | — | (805) 708 9238 | Other | Oxnard · Ventura County | — | — |
| Cruz Construction | Juan Roberto Cruz | — | (805) 698 9621 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| Cruz Construction | Cruz Cesar | — | (805) 217 6003 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| Cruz Flooring | Cruz Flooring | — | (805) 663 8526 | Other | Fillmore · Ventura County | — | — |
| Crystal 1 Construction | Crystal Cassandra Barthelemy | — | (310) 254 4448 | GC, remodel, ADU | Westlake Village · Ventura County | — | — |
| Crystal Builders | Crystal Builders | — | (805) 389 1181 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Crystal Pools INC | James Mark Goldsmith | — | (805) 390 2280 | Pool | Camarillo · Ventura County | — | — |
| Csc Corner Stone Concrete INC | Alvaro De Jesus Rodriguez Elias | — | (323) 270 0670 | Other | Newbury Park · Ventura County | — | — |
| Csr General Contractor | Csr General Contractor | — | (805) 890 0041 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| Ctc California Trusted Contractor INC | Jennifer Ann Hersh | — | (818) 585 5906 | Other roofers | Simi Valley · Ventura County | — | — |
| Cuevas Construction | Cuevas Ramon | helio@cuevas-construction.com | (805) 501 3846 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Cullen B Franklin | Cullen B Franklin | — | (805) 272 5237 | Electricians | Ojai · Ventura County | — | — |
| Cuneo Air INC | Frank Paul Cuneo | — | (805) 526 1765 | HVAC | Simi Valley · Ventura County | — | — |
| Curry's Home Repair | Curry's Home Repair | — | (805) 498 7057 | GC, remodel, ADU | Newbury Park · Ventura County | — | — |
| Curtis Const Co | Sherman Shane Curtis | — | (805) 300 4420 | GC, remodel, ADU | Newbury Park · Ventura County | — | — |
| Curtis M Brown | Curtis M Brown | — | (805) 558 1741 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Cusick Electric INC | Casey Joseph Cusick | — | (805) 432 4099 | Electricians | Camarillo · Ventura County | — | — |
| Custom Air Solutions | Custom Air Solutions | — | (805) 218 3723 | HVAC | Oxnard · Ventura County | — | — |
| Custom Air Systems | Martin John Fraye | — | (805) 522 2526 | HVAC | Simi Valley · Ventura County | — | — |
| Custom Building Design INC | Sergio Joel Ruiz | — | (909) 440 3002 | GC, remodel, ADU | Newbury Park · Ventura County | — | — |
| Custom Classic Painting | Raymond Lovio Morales | — | (805) 377 2188 | Windows, patio, painters | Ventura · Ventura County | — | — |
| Custom Concrete Professionals INC | Gilbert Joseph Perez | — | (805) 207 7427 | Other | Camarillo · Ventura County | — | — |
| Custom Contour Construction INC DBA Custom Contour Engineering | Peti James Tarrant | — | (805) 815 5110 | Other | Ventura · Ventura County | — | — |
| Custom Creations | Custom Creations | — | (805) 795 6031 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Custom Design Cabinetry | Cristobal Samuel Robles | support@customdsigncabinetry.com | (805) 527 2701 | Other | Oxnard · Ventura County | — | — |
| Custom Glass Solutions | Custom Glass Solutions | chad.beach@cgsllc.com | (818) 599 2655 | Windows, patio, painters | Newbury Park · Ventura County | — | — |
| Custom Holmes Construction | Daniel Eugene Holmes | — | (805) 256 4833 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Custom Industrial Sheet Metal INC | Carl Todd Henard | — | (805) 983 3701 | Other | Oxnard · Ventura County | — | — |