| Car Charger Guy LLC | Richard Charles Franks | — | (760) 730 2557 | EV chargers | Oceanside · San Diego County | — | — |
| Carbajal Floor Interiors | Carbajal Floor Interiors | — | (619) 602 6228 | Other | San Diego · San Diego County | — | — |
| Carbide Plumbing Systems | Carbide Plumbing Systems | — | (951) 202 4568 | Other | Fallbrook · San Diego County | — | — |
| Cardenas 5G Construction | Cardenas Lopez Elias | — | (760) 715 0628 | Other roofers | Vista · San Diego County | — | — |
| Cardenas Painting | Cardenas Painting | cardenas001@yahoo.com | (402) 850-0373 | Windows, patio, painters | Oceanside · San Diego County | — | — |
| Cardiff By The Sea Roofing INC | Richard James Renteria | — | (760) 753 2622 | Other roofers | Cardiff · San Diego County | — | — |
| Cardiff Cabinetry And Finish | Cardiff Cabinetry And Finish | — | (760) 613 6224 | Other | Fallbrook · San Diego County | — | — |
| Cardiff Glass And Shower | Cardiff Glass And Shower | — | (760) 505 1631 | Windows, patio, painters | San Marcos · San Diego County | — | — |
| Cardinal Flooring | Cardinal Flooring | — | (760) 458 1411 | Other | San Marcos · San Diego County | — | — |
| Cardinal General Contracting INC | Michelle Lee Duggan | — | (949) 868 8060 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Carefree Pool & Spa Service | Steven Lawrence Roth | — | (510) 734 5954 | Pool | Escondido · San Diego County | — | — |
| Careplus Plumbing & Drains | Careplus Plumbing & Drains | — | (858) 762 2070 | Other | Poway · San Diego County | — | — |
| Carey Construction And Design | Jody Dale Carey | — | (619) 977 4706 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Carey Overhead Doors | Carey Overhead Doors | info@careyoverheaddoors.com | (760) 489 5588 | Other | Escondido · San Diego County | — | — |
| Caribbean Pools | Caribbean Pools | — | (760) 855 5542 | Pool | Escondido · San Diego County | — | — |
| Carich Concrete INC | Bryce Christopher Carich | — | (714) 393 3021 | Other | Fallbrook · San Diego County | — | — |
| Carina Construction | Lopez Ricardo | carina@cjhomes.com | (858) 395 3032 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Carini Cleaning & Restoration | Carini Cleaning & Restoration | — | (619) 804 8525 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Carini Electric INC | Mark Christopher Carini | — | (619) 520 8729 | Electricians | Santee · San Diego County | — | — |
| Carl H Boucher The Pool Ph D | Carl Henry Boucher | — | (760) 436 9188 | Pool | Cardiff · San Diego County | — | — |
| Carl Olson Construction | Carl Douglas Olson | — | (760) 500 2095 | GC, remodel, ADU | Encinitas · San Diego County | — | — |
| Carl Reese | Carl Reese | — | (760) 787 0421 | GC, remodel, ADU | Ramona · San Diego County | — | — |
| Carl W Goodman | Carl W Goodman | — | (619) 994 6747 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Carlisle Development INC | George Steven Carlisle | — | (619) 980 9379 | GC, remodel, ADU | San Diego · San Diego County | — | — |
| Carlos A Beltran | Carlos A Beltran | — | (619) 646 4397 | Windows, patio, painters | San Diego · San Diego County | — | — |
| Carlos Delgado Construction INC | Carlos Alberto Delgado | guy@infinitydesignbuild.com | (760) 975 8851 | GC, remodel, ADU | Escondido · San Diego County | — | — |
| Carlos Floor Covering INC | Carlos Alberto Juarez | — | (619) 841 5842 | Other | Chula Vista · San Diego County | — | — |
| Carlos H Aguilar | Carlos H Aguilar | — | (760) 419 0794 | Windows, patio, painters | San Marcos · San Diego County | — | — |
| Carlos Hernandez-munoz | Carlos Hernandez-munoz | — | (619) 674 0383 | Other | San Diego · San Diego County | — | — |
| Carlos Jonathan Orozco Vargas | Carlos Jonathan Orozco Vargas | — | (760) 670 7317 | Electricians | Escondido · San Diego County | — | — |
| Carlos Penunuri Painting | Carlos Penunuri Painting | — | (619) 664 9596 | Windows, patio, painters | San Diego · San Diego County | — | — |
| Carlos Smith | Carlos Smith | — | (619) 836 9438 | GC, remodel, ADU | Vista · San Diego County | — | — |
| Carlos Villarreal | Carlos Villarreal | — | (619) 219 4414 | Other | Santee · San Diego County | — | — |
| Carlsbad Building & Remodeling LLC | Anthony Cedric Michel | — | (619) 917 2396 | GC, remodel, ADU | Oceanside · San Diego County | — | — |
| Carlsbad Cabinet Co | Dain La Rue Blackburn | — | (760) 310 7294 | Other | Fallbrook · San Diego County | — | — |
| Carlsbad Concrete Cutting | Richard Anthony Castanada | — | (760) 729 8638 | Other | Carlsbad · San Diego County | — | — |
| Carlsbad Electrical Services LLC | Linden Keith Osborn Broccoli | eddie.haro@electricare.com | (760) 917 0181 | Electricians | Oceanside · San Diego County | — | — |
| Carlsbad Fix It Construction | Santino Anthony Ortenzo | — | (808) 226 6681 | GC, remodel, ADU | Oceanside · San Diego County | — | — |
| Carlsbad Flooring Company | Roberto Jr Reyes | — | (760) 691 0771 | Other | Carlsbad · San Diego County | — | — |
| Carlsbad Village Lock And Key INC | Craig Alan Pahl | — | (760) 434 6600 | Other | Carlsbad · San Diego County | — | — |