| Coastal View Construction INC | Jorge Luis Zamora Chavez | — | (805) 867 2732 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Coastal View Property Management And Real Estate Services | Coastal View Property Management And Real Estate Services | — | (805) 932-3200 | Property managers | Ventura · Ventura County | — | — |
| Coastal Welding Innovations | Juan Cervantes Garcia | — | (805) 236 9573 | Other | Camarillo · Ventura County | — | — |
| Coastland Landscape Paint Services | Baldemar Jairo Martinez | — | (805) 336 1078 | Windows, patio, painters | Ventura · Ventura County | — | — |
| Coastline Construction | Craig Walter Rungaitis | — | (805) 404 1622 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Coastline Construction & Remodel INC | Guillermo Antonio Valerio | — | (805) 407 0033 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Coastline Construction Company | Walter Joseph Winters | coastlineconstructioncompany@gmail.com | (805) 320 1162 | GC, remodel, ADU | Oxnard · Ventura County | — | — |
| Coastline Engineering And Development Group | Dustin R Rutherford | — | (310) 266 7197 | Other | Simi Valley · Ventura County | — | — |
| Coastline Garage Doors | Coastline Garage Doors | — | (657) 485-0191 | Other | Santa Paula · Ventura County | — | — |
| Coastline Heating & Cooling INC | Brandon Allen Ocheltree | — | (805) 822 9073 | HVAC | Ventura · Ventura County | — | — |
| Coastline Plumbing And Rooter | Coastline Plumbing And Rooter | — | (520) 735 0333 | Other | Oxnard · Ventura County | — | — |
| Coastside Electric INC | Vincent Anthony Figueroa | info@coastsideelectric.com | (805) 722 5346 | Electricians | Camarillo · Ventura County | — | — |
| Coats Of Color Painting And Decorating | Michael Kenneth Knudson | — | (805) 750 6348 | Windows, patio, painters | Newbury Park · Ventura County | — | — |
| Cobb Construction | Russell Mark Cobb | — | (805) 452 7969 | GC, remodel, ADU | Ojai · Ventura County | — | — |
| Cobos Fire & Safety | Cobos Fire & Safety | — | (805) 201 6699 | Other | Ventura · Ventura County | — | — |
| Coby-co Construction | Coby Lee Mallam | — | (805) 231 0307 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Cody Allen | Cody Allen | interested@domainmarket.com | (805) 861 3273 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Cody Lebaron Plumbing | Cody Lebaron Plumbing | — | (805) 822 7632 | Other | Camarillo · Ventura County | — | — |
| Cody M Stevens Construction INC | Cody Michael Stevens | — | (805) 701 6063 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Cohen Construction Management INC | William Henry Cohen | — | (818) 667 5435 | GC, remodel, ADU | Moorpark · Ventura County | — | — |
| Colborn & Associates | Juan Pablo Morales Flores | — | (805) 368 8008 | GC, remodel, ADU | Santa Paula · Ventura County | — | — |
| Cold Again Refrigeration | Cold Again Refrigeration | — | (805) 673 2211 | HVAC | Oxnard · Ventura County | — | — |
| Coldtech Refrigeration | Coldtech Refrigeration | interested@domainmarket.com | (805) 201 5119 | HVAC | Ventura · Ventura County | — | — |
| Coleman - Pacific INC | Juan Nunez Jr Marquez | — | (805) 529 1844 | Electricians | Camarillo · Ventura County | — | — |
| Colima Landscaping Services INC | Martin Herrera Rojo | — | (805) 290 5368 | Windows, patio, painters | Camarillo · Ventura County | — | — |
| Colin's Pool's | Colin's Pool's | — | (805) 217 1899 | Pool | Simi Valley · Ventura County | — | — |
| Collier Construction | James Robert Collier | maceyt@collierconstruction.com | (805) 660 9935 | GC, remodel, ADU | Moorpark · Ventura County | — | — |
| Collin Black | Collin Black | collintblack@gmail.com | (805) 621 9219 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Collings & Associates | Collings & Associates | — | (805) 658-0003 | Alarm and generators | Ventura · Ventura County | — | — |
| Collins Plumbing & Repair LLC | Justin Earl Collins | — | (805) 388 0835 | Other | Camarillo · Ventura County | — | — |
| Colony Const Co | Bill Joe Davis | — | (805) 340 8119 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Color Blind Design | Color Blind Design | — | (310) 742 5677 | GC, remodel, ADU | Thousand Oaks · Ventura County | — | — |
| Colt Garage Door Service | David Colt Johnson | — | (805) 485 7112 | Other | Oxnard · Ventura County | — | — |
| Comac General Construction | James Leroy Coffey | — | (805) 432 0700 | GC, remodel, ADU | Ventura · Ventura County | — | — |
| Comfort Cooling HVAC | Comfort Cooling HVAC | efrain@comfortcoolinghvac.com | (805) 290 5470 | HVAC | Fillmore · Ventura County | — | — |
| Commercial Closer Service Company | Paul Bryan Conrad Agajanian | — | (818) 886 4443 | Other | Simi Valley · Ventura County | — | — |
| Commercial Coating Co | Donald Kent Le Gault | — | (805) 368 7818 | GC, remodel, ADU | Simi Valley · Ventura County | — | — |
| Commercial Glass Company | Robert Davernon White | office@commercial-glass.com | (805) 522 8186 | Windows, patio, painters | Simi Valley · Ventura County | — | — |
| Commercial Restoration Company Of Ca LLC | Kevin Patrick Lahey | — | (818) 694 3328 | GC, remodel, ADU | Camarillo · Ventura County | — | — |
| Commercial Tenant Improvement INC | Richard Allen Cooper | — | (805) 389 8165 | GC, remodel, ADU | Camarillo · Ventura County | — | — |