| Ceiling Pro | Ceiling Pro | — | (415) 850 7654 | Other | San Bruno · San Mateo County | — | — |
| Celtic Electric | George Gerard Ryan | — | (415) 724 4545 | Electricians | Burlingame · San Mateo County | — | — |
| Center-line Construction INC | Michael Flint Smith | — | (650) 632 1501 | GC, remodel, ADU | San Carlos · San Mateo County | — | — |
| Centis Construction LLC | Kyle James Centis | — | (650) 235 6686 | GC, remodel, ADU | Redwood City · San Mateo County | — | — |
| Central Refrigeration Co | David Vince Cava | — | (415) 585 0800 | HVAC | Brisbane · San Mateo County | — | — |
| Central Roofing Company | Fabian Andres Rodriguez | roger@central-roofing.com | (650) 589 4173 | Other roofers | South San Francisco · San Mateo County | — | — |
| Central Roofing Services | Central Roofing Services | — | (650) 241-4852 | Other roofers | San Mateo · San Mateo County | — | — |
| Centric Construction INC | Kevin Jay Russell | interested@domainmarket.com | (415) 983 9520 | GC, remodel, ADU | Brisbane · San Mateo County | — | — |
| Centrix Builders INC | Joseph Patrick Cassidy | — | (650) 876 9400 | GC, remodel, ADU | Colma · San Mateo County | — | — |
| Century Build Group INC | Reynaldo Jose Medina | info@centurybuildgroup.com | (415) 629 5030 | GC, remodel, ADU | Burlingame · San Mateo County | — | — |
| Century One Plumbing & Construction INC | Carl William Arrechea | — | (650) 759 3321 | GC, remodel, ADU | San Mateo · San Mateo County | — | — |
| Century Service Pros INC | Reynaldo Jose Medina | — | (650) 678 2961 | GC, remodel, ADU | San Mateo · San Mateo County | — | — |
| Ceo Construction INC | Charles Elvin Ogren | — | (650) 599 9115 | GC, remodel, ADU | Redwood City · San Mateo County | — | — |
| Ceramic & Tile Countertops | Carlos Andrell Camacho Vieyra | — | (650) 924 3474 | Other | San Mateo · San Mateo County | — | — |
| Certifire Sprinkler Co INC | Monty Joe Davis | — | (408) 561 6275 | Other | San Carlos · San Mateo County | — | — |
| Cesar Castillo Construction INC | Cesar Augusto Castillo | — | (650) 776 4067 | GC, remodel, ADU | Redwood City · San Mateo County | — | — |
| Cesar Garcia General Contractor INC | Cesar Nazareno Garcia | — | (650) 270 6986 | GC, remodel, ADU | South San Francisco · San Mateo County | — | — |
| Ceschin Construction | Michael Lawrence Ceschin | — | (650) 576 3383 | GC, remodel, ADU | Redwood City · San Mateo County | — | — |
| Ch Smart Construction INC | Pina Cesar Chavez | — | (415) 602 5718 | GC, remodel, ADU | Daly City · San Mateo County | — | — |
| Champion Building Service INC | Jin Eung Lee | — | (415) 480 9402 | Electricians | Redwood City · San Mateo County | — | — |
| Chand The Painter | Chand The Painter | — | (650) 784 5749 | Windows, patio, painters | Pacifica · San Mateo County | — | — |
| Charles A Mannina | Charles A Mannina | — | (650) 347 6168 | GC, remodel, ADU | Burlingame · San Mateo County | — | — |
| Charles Electric | Daniel Richard Charles | charles@charles-electric.com | (650) 712 1900 | Electricians | Half Moon Bay · San Mateo County | — | — |
| Charles Shenk General Contractor | Charles Shenk General Contractor | — | (650) 388 0650 | GC, remodel, ADU | Menlo Park · San Mateo County | — | — |
| Charly The Plumber | Charly The Plumber | — | (408) 431 8232 | Other | Redwood City · San Mateo County | — | — |
| Chavarria Construction INC | Anthony Chavarria | — | (415) 606 1160 | GC, remodel, ADU | Pacifica · San Mateo County | — | — |
| Chavez Construction Company | Oscar Humberto Chavez | — | (650) 627 9992 | GC, remodel, ADU | San Mateo · San Mateo County | — | — |
| Chavez Custom Construction | Chavez Hernandez Sergio | — | (415) 794 5486 | GC, remodel, ADU | South San Francisco · San Mateo County | — | — |
| Chavez Management Group INC | Marco Daniel Chavez | — | (650) 692 3954 | GC, remodel, ADU | Burlingame · San Mateo County | — | — |
| Chavez Tree And Land Company | Jose Luis Chavez | — | (650) 714 4369 | Windows, patio, painters | Menlo Park · San Mateo County | — | — |
| Chemical Exhaust- Ventilation Cleaning Professionals INC | Michael Alan Attell | — | (650) 875 7117 | Other | South San Francisco · San Mateo County | — | — |
| Chen's Construction And Mechanical INC | Chen Jinlong | — | (415) 710 8777 | HVAC | South San Francisco · San Mateo County | — | — |
| Cheng Chang Construction Co | Cheng Chang Liu | — | (415) 812 9898 | GC, remodel, ADU | Millbrae · San Mateo County | — | — |
| Chesler Construction INC | Carrie Edens Bohaboy | — | (650) 670 0054 | GC, remodel, ADU | Redwood City · San Mateo County | — | — |
| Chevez Landscaping | Chevez Landscaping | — | (510) 205 0059 | Windows, patio, painters | San Mateo · San Mateo County | — | — |
| Chim Chimney Cleaning And Construction | Keith James Hipsher | — | (650) 368 9888 | GC, remodel, ADU | Redwood City · San Mateo County | — | — |
| Chin - Shui Chang | Chin - Shui Chang | — | (650) 347 3362 | Electricians | San Mateo · San Mateo County | — | — |
| Chinchilla Construction Administration | Felix Ronaldo Chinchilla Marroquin | — | (650) 436 8117 | GC, remodel, ADU | San Mateo · San Mateo County | — | — |
| Chosen Rooter & Plumbing INC | Denis Leonidovich Tseyref | — | (415) 702 9919 | Other | South San Francisco · San Mateo County | — | — |
| Chris Borg Electric | Jens Christian Borg | — | (650) 593 7000 | Electricians | San Carlos · San Mateo County | — | — |